diff --git a/.changeset/release-relaxed-schemas.md b/.changeset/release-relaxed-schemas.md
new file mode 100644
index 0000000000..fb0609cfce
--- /dev/null
+++ b/.changeset/release-relaxed-schemas.md
@@ -0,0 +1,9 @@
+---
+"adcontextprotocol": patch
+---
+
+Release schemas with `additionalProperties: true` for forward compatibility
+
+This releases `dist/schemas/2.5.2/` containing the relaxed schema validation
+introduced in #646. Clients can now safely ignore unknown fields when parsing
+API responses, allowing the API to evolve without breaking existing integrations.
diff --git a/dist/schemas/2.5.2/adagents.json b/dist/schemas/2.5.2/adagents.json
new file mode 100644
index 0000000000..2babff1b0b
--- /dev/null
+++ b/dist/schemas/2.5.2/adagents.json
@@ -0,0 +1,494 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/adagents.json",
+  "title": "Authorized Sales Agents",
+  "description": "Declaration of authorized sales agents for advertising inventory. Hosted at /.well-known/adagents.json on publisher domains. Can either contain the full structure inline or reference an authoritative URL.",
+  "oneOf": [
+    {
+      "type": "object",
+      "description": "URL reference variant - points to the authoritative location of the adagents.json file",
+      "properties": {
+        "$schema": {
+          "type": "string",
+          "description": "JSON Schema identifier for this adagents.json file"
+        },
+        "authoritative_location": {
+          "type": "string",
+          "format": "uri",
+          "pattern": "^https://",
+          "description": "HTTPS URL of the authoritative adagents.json file. When present, this file is a reference and the authoritative location contains the actual agent authorization data."
+        },
+        "last_updated": {
+          "type": "string",
+          "format": "date-time",
+          "description": "ISO 8601 timestamp indicating when this reference was last updated"
+        }
+      },
+      "required": [
+        "authoritative_location"
+      ],
+      "additionalProperties": true
+    },
+    {
+      "type": "object",
+      "description": "Inline structure variant - contains full agent authorization data",
+      "properties": {
+        "$schema": {
+          "type": "string",
+          "description": "JSON Schema identifier for this adagents.json file"
+        },
+        "contact": {
+          "type": "object",
+          "description": "Contact information for the entity managing this adagents.json file (may be publisher or third-party operator)",
+          "properties": {
+            "name": {
+              "type": "string",
+              "description": "Name of the entity managing this file (e.g., 'Meta Advertising Operations', 'Clear Channel Digital')",
+              "minLength": 1,
+              "maxLength": 255
+            },
+            "email": {
+              "type": "string",
+              "format": "email",
+              "description": "Contact email for questions or issues with this authorization file",
+              "minLength": 1,
+              "maxLength": 255
+            },
+            "domain": {
+              "type": "string",
+              "description": "Primary domain of the entity managing this file",
+              "pattern": "^[a-z0-9]([a-z0-9-]*[a-z0-9])?(\\.[a-z0-9]([a-z0-9-]*[a-z0-9])?)*$"
+            },
+            "seller_id": {
+              "type": "string",
+              "description": "Seller ID from IAB Tech Lab sellers.json (if applicable)",
+              "minLength": 1,
+              "maxLength": 255
+            },
+            "tag_id": {
+              "type": "string",
+              "description": "TAG Certified Against Fraud ID for verification (if applicable)",
+              "minLength": 1,
+              "maxLength": 100
+            }
+          },
+          "required": [
+            "name"
+          ],
+          "additionalProperties": true
+        },
+        "properties": {
+          "type": "array",
+          "description": "Array of all properties covered by this adagents.json file. Defines the canonical property list that authorized agents reference.",
+          "items": {
+            "$ref": "/schemas/2.5.2/core/property.json"
+          },
+          "minItems": 1
+        },
+        "tags": {
+          "type": "object",
+          "description": "Metadata for each tag referenced by properties. Provides human-readable context for property tag values.",
+          "additionalProperties": {
+            "type": "object",
+            "properties": {
+              "name": {
+                "type": "string",
+                "description": "Human-readable name for this tag"
+              },
+              "description": {
+                "type": "string",
+                "description": "Description of what this tag represents"
+              }
+            },
+            "required": [
+              "name",
+              "description"
+            ],
+            "additionalProperties": true
+          }
+        },
+        "authorized_agents": {
+          "type": "array",
+          "description": "Array of sales agents authorized to sell inventory for properties in this file",
+          "items": {
+            "oneOf": [
+              {
+                "type": "object",
+                "properties": {
+                  "url": {
+                    "type": "string",
+                    "format": "uri",
+                    "description": "The authorized agent's API endpoint URL"
+                  },
+                  "authorized_for": {
+                    "type": "string",
+                    "description": "Human-readable description of what this agent is authorized to sell",
+                    "minLength": 1,
+                    "maxLength": 500
+                  },
+                  "authorization_type": {
+                    "type": "string",
+                    "const": "property_ids",
+                    "description": "Discriminator indicating authorization by specific property IDs"
+                  },
+                  "property_ids": {
+                    "type": "array",
+                    "description": "Property IDs this agent is authorized for. Resolved against the top-level properties array in this file",
+                    "items": {
+                      "$ref": "/schemas/2.5.2/core/property-id.json"
+                    },
+                    "minItems": 1
+                  }
+                },
+                "required": [
+                  "url",
+                  "authorized_for",
+                  "authorization_type",
+                  "property_ids"
+                ],
+                "additionalProperties": true
+              },
+              {
+                "type": "object",
+                "properties": {
+                  "url": {
+                    "type": "string",
+                    "format": "uri",
+                    "description": "The authorized agent's API endpoint URL"
+                  },
+                  "authorized_for": {
+                    "type": "string",
+                    "description": "Human-readable description of what this agent is authorized to sell",
+                    "minLength": 1,
+                    "maxLength": 500
+                  },
+                  "authorization_type": {
+                    "type": "string",
+                    "const": "property_tags",
+                    "description": "Discriminator indicating authorization by property tags"
+                  },
+                  "property_tags": {
+                    "type": "array",
+                    "description": "Tags identifying which properties this agent is authorized for. Resolved against the top-level properties array in this file using tag matching",
+                    "items": {
+                      "$ref": "/schemas/2.5.2/core/property-tag.json"
+                    },
+                    "minItems": 1
+                  }
+                },
+                "required": [
+                  "url",
+                  "authorized_for",
+                  "authorization_type",
+                  "property_tags"
+                ],
+                "additionalProperties": true
+              },
+              {
+                "type": "object",
+                "properties": {
+                  "url": {
+                    "type": "string",
+                    "format": "uri",
+                    "description": "The authorized agent's API endpoint URL"
+                  },
+                  "authorized_for": {
+                    "type": "string",
+                    "description": "Human-readable description of what this agent is authorized to sell",
+                    "minLength": 1,
+                    "maxLength": 500
+                  },
+                  "authorization_type": {
+                    "type": "string",
+                    "const": "inline_properties",
+                    "description": "Discriminator indicating authorization by inline property definitions"
+                  },
+                  "properties": {
+                    "type": "array",
+                    "description": "Specific properties this agent is authorized for (alternative to property_ids/property_tags)",
+                    "items": {
+                      "$ref": "/schemas/2.5.2/core/property.json"
+                    },
+                    "minItems": 1
+                  }
+                },
+                "required": [
+                  "url",
+                  "authorized_for",
+                  "authorization_type",
+                  "properties"
+                ],
+                "additionalProperties": true
+              },
+              {
+                "type": "object",
+                "properties": {
+                  "url": {
+                    "type": "string",
+                    "format": "uri",
+                    "description": "The authorized agent's API endpoint URL"
+                  },
+                  "authorized_for": {
+                    "type": "string",
+                    "description": "Human-readable description of what this agent is authorized to sell",
+                    "minLength": 1,
+                    "maxLength": 500
+                  },
+                  "authorization_type": {
+                    "type": "string",
+                    "const": "publisher_properties",
+                    "description": "Discriminator indicating authorization for properties from other publisher domains"
+                  },
+                  "publisher_properties": {
+                    "type": "array",
+                    "description": "Properties from other publisher domains this agent is authorized for. Each entry specifies a publisher domain and which of their properties this agent can sell",
+                    "items": {
+                      "$ref": "/schemas/2.5.2/core/publisher-property-selector.json"
+                    },
+                    "minItems": 1
+                  }
+                },
+                "required": [
+                  "url",
+                  "authorized_for",
+                  "authorization_type",
+                  "publisher_properties"
+                ],
+                "additionalProperties": true
+              }
+            ]
+          },
+          "minItems": 1
+        },
+        "last_updated": {
+          "type": "string",
+          "format": "date-time",
+          "description": "ISO 8601 timestamp indicating when this file was last updated"
+        }
+      },
+      "required": [
+        "authorized_agents"
+      ],
+      "additionalProperties": true
+    }
+  ],
+  "examples": [
+    {
+      "$schema": "/schemas/2.5.2/adagents.json",
+      "authoritative_location": "https://cdn.example.com/adagents/v2/adagents.json",
+      "last_updated": "2025-01-15T10:00:00Z"
+    },
+    {
+      "$schema": "/schemas/2.5.2/adagents.json",
+      "properties": [
+        {
+          "property_type": "website",
+          "name": "Example Site",
+          "identifiers": [
+            {
+              "type": "domain",
+              "value": "example.com"
+            }
+          ],
+          "publisher_domain": "example.com"
+        }
+      ],
+      "authorized_agents": [
+        {
+          "url": "https://agent.example.com",
+          "authorized_for": "Official sales agent",
+          "authorization_type": "property_tags",
+          "property_tags": [
+            "all"
+          ]
+        }
+      ],
+      "tags": {
+        "all": {
+          "name": "All Properties",
+          "description": "All properties in this file"
+        }
+      },
+      "last_updated": "2025-01-10T12:00:00Z"
+    },
+    {
+      "$schema": "/schemas/2.5.2/adagents.json",
+      "contact": {
+        "name": "Meta Advertising Operations",
+        "email": "adops@meta.com",
+        "domain": "meta.com",
+        "seller_id": "pub-meta-12345",
+        "tag_id": "12345"
+      },
+      "properties": [
+        {
+          "property_type": "mobile_app",
+          "name": "Instagram",
+          "identifiers": [
+            {
+              "type": "ios_bundle",
+              "value": "com.burbn.instagram"
+            },
+            {
+              "type": "android_package",
+              "value": "com.instagram.android"
+            }
+          ],
+          "tags": [
+            "meta_network",
+            "social_media"
+          ],
+          "publisher_domain": "instagram.com"
+        },
+        {
+          "property_type": "mobile_app",
+          "name": "Facebook",
+          "identifiers": [
+            {
+              "type": "ios_bundle",
+              "value": "com.facebook.Facebook"
+            },
+            {
+              "type": "android_package",
+              "value": "com.facebook.katana"
+            }
+          ],
+          "tags": [
+            "meta_network",
+            "social_media"
+          ],
+          "publisher_domain": "facebook.com"
+        },
+        {
+          "property_type": "mobile_app",
+          "name": "WhatsApp",
+          "identifiers": [
+            {
+              "type": "ios_bundle",
+              "value": "net.whatsapp.WhatsApp"
+            },
+            {
+              "type": "android_package",
+              "value": "com.whatsapp"
+            }
+          ],
+          "tags": [
+            "meta_network",
+            "messaging"
+          ],
+          "publisher_domain": "whatsapp.com"
+        }
+      ],
+      "tags": {
+        "meta_network": {
+          "name": "Meta Network",
+          "description": "All Meta-owned properties"
+        },
+        "social_media": {
+          "name": "Social Media Apps",
+          "description": "Social networking applications"
+        },
+        "messaging": {
+          "name": "Messaging Apps",
+          "description": "Messaging and communication apps"
+        }
+      },
+      "authorized_agents": [
+        {
+          "url": "https://meta-ads.com",
+          "authorized_for": "All Meta properties",
+          "authorization_type": "property_tags",
+          "property_tags": [
+            "meta_network"
+          ]
+        }
+      ],
+      "last_updated": "2025-01-10T15:30:00Z"
+    },
+    {
+      "$schema": "/schemas/2.5.2/adagents.json",
+      "contact": {
+        "name": "Tumblr Advertising"
+      },
+      "properties": [
+        {
+          "property_type": "website",
+          "name": "Tumblr Corporate",
+          "identifiers": [
+            {
+              "type": "domain",
+              "value": "tumblr.com"
+            }
+          ],
+          "tags": [
+            "corporate"
+          ],
+          "publisher_domain": "tumblr.com"
+        }
+      ],
+      "tags": {
+        "corporate": {
+          "name": "Corporate Properties",
+          "description": "Tumblr-owned corporate properties (not user blogs)"
+        }
+      },
+      "authorized_agents": [
+        {
+          "url": "https://tumblr-sales.com",
+          "authorized_for": "Tumblr corporate properties only",
+          "authorization_type": "property_tags",
+          "property_tags": [
+            "corporate"
+          ]
+        }
+      ],
+      "last_updated": "2025-01-10T16:00:00Z"
+    },
+    {
+      "$schema": "/schemas/2.5.2/adagents.json",
+      "contact": {
+        "name": "Example Third-Party Sales Agent",
+        "email": "sales@agent.example",
+        "domain": "agent.example"
+      },
+      "authorized_agents": [
+        {
+          "url": "https://agent.example/api",
+          "authorized_for": "CNN CTV properties via publisher authorization",
+          "authorization_type": "publisher_properties",
+          "publisher_properties": [
+            {
+              "publisher_domain": "cnn.com",
+              "selection_type": "by_id",
+              "property_ids": [
+                "cnn_ctv_app"
+              ]
+            }
+          ]
+        },
+        {
+          "url": "https://agent.example/api",
+          "authorized_for": "All CTV properties from multiple publishers",
+          "authorization_type": "publisher_properties",
+          "publisher_properties": [
+            {
+              "publisher_domain": "cnn.com",
+              "selection_type": "by_tag",
+              "property_tags": [
+                "ctv"
+              ]
+            },
+            {
+              "publisher_domain": "espn.com",
+              "selection_type": "by_tag",
+              "property_tags": [
+                "ctv"
+              ]
+            }
+          ]
+        }
+      ],
+      "last_updated": "2025-01-10T17:00:00Z"
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/bundled/media-buy/build-creative-request.json b/dist/schemas/2.5.2/bundled/media-buy/build-creative-request.json
new file mode 100644
index 0000000000..794531b8ec
--- /dev/null
+++ b/dist/schemas/2.5.2/bundled/media-buy/build-creative-request.json
@@ -0,0 +1,1349 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/bundled/media-buy/build-creative-request.json",
+  "title": "Build Creative Request",
+  "description": "Request to transform or generate a creative manifest. Takes a source manifest (which may be minimal for pure generation) and produces a target manifest in the specified format. The source manifest should include all assets required by the target format (e.g., promoted_offerings for generative formats).",
+  "type": "object",
+  "properties": {
+    "message": {
+      "type": "string",
+      "description": "Natural language instructions for the transformation or generation. For pure generation, this is the creative brief. For transformation, this provides guidance on how to adapt the creative."
+    },
+    "creative_manifest": {
+      "title": "Creative Manifest",
+      "description": "Creative manifest to transform or generate from. For pure generation, this should include the target format_id and any required input assets (e.g., promoted_offerings for generative formats). For transformation (e.g., resizing, reformatting), this is the complete creative to adapt.",
+      "type": "object",
+      "properties": {
+        "format_id": {
+          "title": "Format ID",
+          "description": "Format identifier this manifest is for. Can be a template format (id only) or a deterministic format (id + dimensions/duration). For dimension-specific creatives, include width/height/unit in the format_id to create a unique identifier (e.g., {id: 'display_static', width: 300, height: 250, unit: 'px'}).",
+          "type": "object",
+          "properties": {
+            "agent_url": {
+              "type": "string",
+              "format": "uri",
+              "description": "URL of the agent that defines this format (e.g., 'https://creatives.adcontextprotocol.org' for standard formats, or 'https://publisher.com/.well-known/adcp/sales' for custom formats)"
+            },
+            "id": {
+              "type": "string",
+              "pattern": "^[a-zA-Z0-9_-]+$",
+              "description": "Format identifier within the agent's namespace (e.g., 'display_static', 'video_hosted', 'audio_standard'). When used alone, references a template format. When combined with dimension/duration fields, creates a parameterized format ID for a specific variant."
+            },
+            "width": {
+              "type": "integer",
+              "minimum": 1,
+              "description": "Width in pixels for visual formats. When specified, height must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+            },
+            "height": {
+              "type": "integer",
+              "minimum": 1,
+              "description": "Height in pixels for visual formats. When specified, width must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+            },
+            "duration_ms": {
+              "type": "number",
+              "minimum": 1,
+              "description": "Duration in milliseconds for time-based formats (video, audio). When specified, creates a parameterized format ID. Omit to reference a template format without parameters."
+            }
+          },
+          "required": [
+            "agent_url",
+            "id"
+          ],
+          "additionalProperties": true,
+          "dependencies": {
+            "width": [
+              "height"
+            ],
+            "height": [
+              "width"
+            ]
+          }
+        },
+        "promoted_offering": {
+          "type": "string",
+          "description": "Product name or offering being advertised. Maps to promoted_offerings in create_media_buy request to associate creative with the product being promoted."
+        },
+        "assets": {
+          "type": "object",
+          "description": "Map of asset IDs to actual asset content. Each key MUST match an asset_id from the format's assets_required array (e.g., 'banner_image', 'clickthrough_url', 'video_file', 'vast_tag'). The asset_id is the technical identifier used to match assets to format requirements.\n\nIMPORTANT: Creative manifest validation MUST be performed in the context of the format specification. The format defines what type each asset_id should be, which eliminates any validation ambiguity.",
+          "patternProperties": {
+            "^[a-z0-9_]+$": {
+              "oneOf": [
+                {
+                  "title": "Image Asset",
+                  "description": "Image asset with URL and dimensions",
+                  "type": "object",
+                  "properties": {
+                    "url": {
+                      "type": "string",
+                      "format": "uri",
+                      "description": "URL to the image asset"
+                    },
+                    "width": {
+                      "type": "integer",
+                      "minimum": 1,
+                      "description": "Width in pixels"
+                    },
+                    "height": {
+                      "type": "integer",
+                      "minimum": 1,
+                      "description": "Height in pixels"
+                    },
+                    "format": {
+                      "type": "string",
+                      "description": "Image file format (jpg, png, gif, webp, etc.)"
+                    },
+                    "alt_text": {
+                      "type": "string",
+                      "description": "Alternative text for accessibility"
+                    }
+                  },
+                  "required": [
+                    "url",
+                    "width",
+                    "height"
+                  ],
+                  "additionalProperties": true
+                },
+                {
+                  "title": "Video Asset",
+                  "description": "Video asset with URL and specifications",
+                  "type": "object",
+                  "properties": {
+                    "url": {
+                      "type": "string",
+                      "format": "uri",
+                      "description": "URL to the video asset"
+                    },
+                    "width": {
+                      "type": "integer",
+                      "minimum": 1,
+                      "description": "Width in pixels"
+                    },
+                    "height": {
+                      "type": "integer",
+                      "minimum": 1,
+                      "description": "Height in pixels"
+                    },
+                    "duration_ms": {
+                      "type": "integer",
+                      "description": "Video duration in milliseconds",
+                      "minimum": 1
+                    },
+                    "format": {
+                      "type": "string",
+                      "description": "Video file format (mp4, webm, mov, etc.)"
+                    },
+                    "bitrate_kbps": {
+                      "type": "integer",
+                      "description": "Video bitrate in kilobits per second",
+                      "minimum": 1
+                    }
+                  },
+                  "required": [
+                    "url",
+                    "width",
+                    "height"
+                  ],
+                  "additionalProperties": true
+                },
+                {
+                  "title": "Audio Asset",
+                  "description": "Audio asset with URL and specifications",
+                  "type": "object",
+                  "properties": {
+                    "url": {
+                      "type": "string",
+                      "format": "uri",
+                      "description": "URL to the audio asset"
+                    },
+                    "duration_ms": {
+                      "type": "integer",
+                      "description": "Audio duration in milliseconds",
+                      "minimum": 0
+                    },
+                    "format": {
+                      "type": "string",
+                      "description": "Audio file format (mp3, wav, aac, etc.)"
+                    },
+                    "bitrate_kbps": {
+                      "type": "integer",
+                      "description": "Audio bitrate in kilobits per second",
+                      "minimum": 1
+                    }
+                  },
+                  "required": [
+                    "url"
+                  ],
+                  "additionalProperties": true
+                },
+                {
+                  "title": "VAST Asset",
+                  "description": "VAST (Video Ad Serving Template) tag for third-party video ad serving",
+                  "oneOf": [
+                    {
+                      "type": "object",
+                      "properties": {
+                        "delivery_type": {
+                          "type": "string",
+                          "const": "url",
+                          "description": "Discriminator indicating VAST is delivered via URL endpoint"
+                        },
+                        "url": {
+                          "type": "string",
+                          "format": "uri",
+                          "description": "URL endpoint that returns VAST XML"
+                        },
+                        "vast_version": {
+                          "title": "VAST Version",
+                          "description": "VAST specification version",
+                          "type": "string",
+                          "enum": [
+                            "2.0",
+                            "3.0",
+                            "4.0",
+                            "4.1",
+                            "4.2"
+                          ]
+                        },
+                        "vpaid_enabled": {
+                          "type": "boolean",
+                          "description": "Whether VPAID (Video Player-Ad Interface Definition) is supported"
+                        },
+                        "duration_ms": {
+                          "type": "integer",
+                          "description": "Expected video duration in milliseconds (if known)",
+                          "minimum": 0
+                        },
+                        "tracking_events": {
+                          "type": "array",
+                          "items": {
+                            "title": "VAST Tracking Event",
+                            "description": "Standard VAST tracking events for video ad playback and interaction",
+                            "type": "string",
+                            "enum": [
+                              "start",
+                              "firstQuartile",
+                              "midpoint",
+                              "thirdQuartile",
+                              "complete",
+                              "impression",
+                              "click",
+                              "pause",
+                              "resume",
+                              "skip",
+                              "mute",
+                              "unmute",
+                              "fullscreen",
+                              "exitFullscreen",
+                              "playerExpand",
+                              "playerCollapse"
+                            ]
+                          },
+                          "description": "Tracking events supported by this VAST tag"
+                        }
+                      },
+                      "required": [
+                        "delivery_type",
+                        "url"
+                      ],
+                      "additionalProperties": true
+                    },
+                    {
+                      "type": "object",
+                      "properties": {
+                        "delivery_type": {
+                          "type": "string",
+                          "const": "inline",
+                          "description": "Discriminator indicating VAST is delivered as inline XML content"
+                        },
+                        "content": {
+                          "type": "string",
+                          "description": "Inline VAST XML content"
+                        },
+                        "vast_version": {
+                          "title": "VAST Version",
+                          "description": "VAST specification version",
+                          "type": "string",
+                          "enum": [
+                            "2.0",
+                            "3.0",
+                            "4.0",
+                            "4.1",
+                            "4.2"
+                          ]
+                        },
+                        "vpaid_enabled": {
+                          "type": "boolean",
+                          "description": "Whether VPAID (Video Player-Ad Interface Definition) is supported"
+                        },
+                        "duration_ms": {
+                          "type": "integer",
+                          "description": "Expected video duration in milliseconds (if known)",
+                          "minimum": 0
+                        },
+                        "tracking_events": {
+                          "type": "array",
+                          "items": {
+                            "title": "VAST Tracking Event",
+                            "description": "Standard VAST tracking events for video ad playback and interaction",
+                            "type": "string",
+                            "enum": [
+                              "start",
+                              "firstQuartile",
+                              "midpoint",
+                              "thirdQuartile",
+                              "complete",
+                              "impression",
+                              "click",
+                              "pause",
+                              "resume",
+                              "skip",
+                              "mute",
+                              "unmute",
+                              "fullscreen",
+                              "exitFullscreen",
+                              "playerExpand",
+                              "playerCollapse"
+                            ]
+                          },
+                          "description": "Tracking events supported by this VAST tag"
+                        }
+                      },
+                      "required": [
+                        "delivery_type",
+                        "content"
+                      ],
+                      "additionalProperties": true
+                    }
+                  ]
+                },
+                {
+                  "title": "Text Asset",
+                  "description": "Text content asset",
+                  "type": "object",
+                  "properties": {
+                    "content": {
+                      "type": "string",
+                      "description": "Text content"
+                    },
+                    "language": {
+                      "type": "string",
+                      "description": "Language code (e.g., 'en', 'es', 'fr')"
+                    }
+                  },
+                  "required": [
+                    "content"
+                  ],
+                  "additionalProperties": true
+                },
+                {
+                  "title": "URL Asset",
+                  "description": "URL reference asset",
+                  "type": "object",
+                  "properties": {
+                    "url": {
+                      "type": "string",
+                      "format": "uri",
+                      "description": "URL reference"
+                    },
+                    "url_type": {
+                      "title": "URL Asset Type",
+                      "description": "Type of URL asset: 'clickthrough' for user click destination (landing page), 'tracker_pixel' for impression/event tracking via HTTP request (fires GET, expects pixel/204 response), 'tracker_script' for measurement SDKs that must load as <script> tag (OMID verification, native event trackers using method:2)",
+                      "type": "string",
+                      "enum": [
+                        "clickthrough",
+                        "tracker_pixel",
+                        "tracker_script"
+                      ]
+                    },
+                    "description": {
+                      "type": "string",
+                      "description": "Description of what this URL points to"
+                    }
+                  },
+                  "required": [
+                    "url"
+                  ],
+                  "additionalProperties": true
+                },
+                {
+                  "title": "HTML Asset",
+                  "description": "HTML content asset",
+                  "type": "object",
+                  "properties": {
+                    "content": {
+                      "type": "string",
+                      "description": "HTML content"
+                    },
+                    "version": {
+                      "type": "string",
+                      "description": "HTML version (e.g., 'HTML5')"
+                    }
+                  },
+                  "required": [
+                    "content"
+                  ],
+                  "additionalProperties": true
+                },
+                {
+                  "title": "JavaScript Asset",
+                  "description": "JavaScript code asset",
+                  "type": "object",
+                  "properties": {
+                    "content": {
+                      "type": "string",
+                      "description": "JavaScript content"
+                    },
+                    "module_type": {
+                      "title": "JavaScript Module Type",
+                      "description": "JavaScript module type",
+                      "type": "string",
+                      "enum": [
+                        "esm",
+                        "commonjs",
+                        "script"
+                      ]
+                    }
+                  },
+                  "required": [
+                    "content"
+                  ],
+                  "additionalProperties": true
+                },
+                {
+                  "title": "Webhook Asset",
+                  "description": "Webhook for server-side dynamic content rendering (DCO)",
+                  "type": "object",
+                  "properties": {
+                    "url": {
+                      "type": "string",
+                      "format": "uri",
+                      "description": "Webhook URL to call for dynamic content"
+                    },
+                    "method": {
+                      "title": "HTTP Method",
+                      "description": "HTTP method",
+                      "type": "string",
+                      "enum": [
+                        "GET",
+                        "POST"
+                      ],
+                      "default": "POST"
+                    },
+                    "timeout_ms": {
+                      "type": "integer",
+                      "minimum": 10,
+                      "maximum": 5000,
+                      "default": 500,
+                      "description": "Maximum time to wait for response in milliseconds"
+                    },
+                    "supported_macros": {
+                      "type": "array",
+                      "items": {
+                        "type": "string"
+                      },
+                      "description": "Universal macros that can be passed to webhook (e.g., {DEVICE_TYPE}, {COUNTRY})"
+                    },
+                    "required_macros": {
+                      "type": "array",
+                      "items": {
+                        "type": "string"
+                      },
+                      "description": "Universal macros that must be provided for webhook to function"
+                    },
+                    "response_type": {
+                      "title": "Webhook Response Type",
+                      "description": "Expected content type of webhook response",
+                      "type": "string",
+                      "enum": [
+                        "html",
+                        "json",
+                        "xml",
+                        "javascript"
+                      ]
+                    },
+                    "security": {
+                      "type": "object",
+                      "description": "Security configuration for webhook calls",
+                      "properties": {
+                        "method": {
+                          "title": "Webhook Security Method",
+                          "description": "Authentication method",
+                          "type": "string",
+                          "enum": [
+                            "hmac_sha256",
+                            "api_key",
+                            "none"
+                          ]
+                        },
+                        "hmac_header": {
+                          "type": "string",
+                          "description": "Header name for HMAC signature (e.g., 'X-Signature')"
+                        },
+                        "api_key_header": {
+                          "type": "string",
+                          "description": "Header name for API key (e.g., 'X-API-Key')"
+                        }
+                      },
+                      "required": [
+                        "method"
+                      ]
+                    }
+                  },
+                  "required": [
+                    "url",
+                    "response_type",
+                    "security"
+                  ],
+                  "additionalProperties": true
+                },
+                {
+                  "title": "CSS Asset",
+                  "description": "CSS stylesheet asset",
+                  "type": "object",
+                  "properties": {
+                    "content": {
+                      "type": "string",
+                      "description": "CSS content"
+                    },
+                    "media": {
+                      "type": "string",
+                      "description": "CSS media query context (e.g., 'screen', 'print')"
+                    }
+                  },
+                  "required": [
+                    "content"
+                  ],
+                  "additionalProperties": true
+                },
+                {
+                  "title": "DAAST Asset",
+                  "description": "DAAST (Digital Audio Ad Serving Template) tag for third-party audio ad serving",
+                  "oneOf": [
+                    {
+                      "type": "object",
+                      "properties": {
+                        "delivery_type": {
+                          "type": "string",
+                          "const": "url",
+                          "description": "Discriminator indicating DAAST is delivered via URL endpoint"
+                        },
+                        "url": {
+                          "type": "string",
+                          "format": "uri",
+                          "description": "URL endpoint that returns DAAST XML"
+                        },
+                        "daast_version": {
+                          "title": "DAAST Version",
+                          "description": "DAAST specification version",
+                          "type": "string",
+                          "enum": [
+                            "1.0",
+                            "1.1"
+                          ]
+                        },
+                        "duration_ms": {
+                          "type": "integer",
+                          "description": "Expected audio duration in milliseconds (if known)",
+                          "minimum": 0
+                        },
+                        "tracking_events": {
+                          "type": "array",
+                          "items": {
+                            "title": "DAAST Tracking Event",
+                            "description": "Standard DAAST tracking events for audio ad playback and interaction",
+                            "type": "string",
+                            "enum": [
+                              "start",
+                              "firstQuartile",
+                              "midpoint",
+                              "thirdQuartile",
+                              "complete",
+                              "impression",
+                              "pause",
+                              "resume",
+                              "skip",
+                              "mute",
+                              "unmute"
+                            ]
+                          },
+                          "description": "Tracking events supported by this DAAST tag"
+                        },
+                        "companion_ads": {
+                          "type": "boolean",
+                          "description": "Whether companion display ads are included"
+                        }
+                      },
+                      "required": [
+                        "delivery_type",
+                        "url"
+                      ],
+                      "additionalProperties": true
+                    },
+                    {
+                      "type": "object",
+                      "properties": {
+                        "delivery_type": {
+                          "type": "string",
+                          "const": "inline",
+                          "description": "Discriminator indicating DAAST is delivered as inline XML content"
+                        },
+                        "content": {
+                          "type": "string",
+                          "description": "Inline DAAST XML content"
+                        },
+                        "daast_version": {
+                          "title": "DAAST Version",
+                          "description": "DAAST specification version",
+                          "type": "string",
+                          "enum": [
+                            "1.0",
+                            "1.1"
+                          ]
+                        },
+                        "duration_ms": {
+                          "type": "integer",
+                          "description": "Expected audio duration in milliseconds (if known)",
+                          "minimum": 0
+                        },
+                        "tracking_events": {
+                          "type": "array",
+                          "items": {
+                            "title": "DAAST Tracking Event",
+                            "description": "Standard DAAST tracking events for audio ad playback and interaction",
+                            "type": "string",
+                            "enum": [
+                              "start",
+                              "firstQuartile",
+                              "midpoint",
+                              "thirdQuartile",
+                              "complete",
+                              "impression",
+                              "pause",
+                              "resume",
+                              "skip",
+                              "mute",
+                              "unmute"
+                            ]
+                          },
+                          "description": "Tracking events supported by this DAAST tag"
+                        },
+                        "companion_ads": {
+                          "type": "boolean",
+                          "description": "Whether companion display ads are included"
+                        }
+                      },
+                      "required": [
+                        "delivery_type",
+                        "content"
+                      ],
+                      "additionalProperties": true
+                    }
+                  ]
+                },
+                {
+                  "title": "Promoted Offerings",
+                  "description": "Complete offering specification combining brand manifest, product selectors, and asset filters. Provides all context needed for creative generation about what is being promoted.",
+                  "type": "object",
+                  "properties": {
+                    "brand_manifest": {
+                      "title": "Brand Manifest Reference",
+                      "description": "Brand information manifest containing assets, themes, and guidelines. Can be provided inline or as a URL reference to a hosted manifest.",
+                      "oneOf": [
+                        {
+                          "title": "Brand Manifest",
+                          "description": "Inline brand manifest object",
+                          "type": "object",
+                          "properties": {
+                            "url": {
+                              "type": "string",
+                              "format": "uri",
+                              "description": "Primary brand URL for context and asset discovery. Creative agents can infer brand information from this URL."
+                            },
+                            "name": {
+                              "type": "string",
+                              "description": "Brand or business name"
+                            },
+                            "logos": {
+                              "type": "array",
+                              "description": "Brand logo assets with semantic tags for different use cases",
+                              "items": {
+                                "type": "object",
+                                "properties": {
+                                  "url": {
+                                    "type": "string",
+                                    "format": "uri",
+                                    "description": "URL to the logo asset"
+                                  },
+                                  "tags": {
+                                    "type": "array",
+                                    "description": "Semantic tags describing the logo variant (e.g., 'dark', 'light', 'square', 'horizontal', 'icon')",
+                                    "items": {
+                                      "type": "string"
+                                    }
+                                  },
+                                  "width": {
+                                    "type": "integer",
+                                    "description": "Logo width in pixels"
+                                  },
+                                  "height": {
+                                    "type": "integer",
+                                    "description": "Logo height in pixels"
+                                  }
+                                },
+                                "required": [
+                                  "url"
+                                ]
+                              }
+                            },
+                            "colors": {
+                              "type": "object",
+                              "description": "Brand color palette",
+                              "properties": {
+                                "primary": {
+                                  "type": "string",
+                                  "pattern": "^#[0-9A-Fa-f]{6}$",
+                                  "description": "Primary brand color (hex format)"
+                                },
+                                "secondary": {
+                                  "type": "string",
+                                  "pattern": "^#[0-9A-Fa-f]{6}$",
+                                  "description": "Secondary brand color (hex format)"
+                                },
+                                "accent": {
+                                  "type": "string",
+                                  "pattern": "^#[0-9A-Fa-f]{6}$",
+                                  "description": "Accent color (hex format)"
+                                },
+                                "background": {
+                                  "type": "string",
+                                  "pattern": "^#[0-9A-Fa-f]{6}$",
+                                  "description": "Background color (hex format)"
+                                },
+                                "text": {
+                                  "type": "string",
+                                  "pattern": "^#[0-9A-Fa-f]{6}$",
+                                  "description": "Text color (hex format)"
+                                }
+                              }
+                            },
+                            "fonts": {
+                              "type": "object",
+                              "description": "Brand typography guidelines",
+                              "properties": {
+                                "primary": {
+                                  "type": "string",
+                                  "description": "Primary font family name"
+                                },
+                                "secondary": {
+                                  "type": "string",
+                                  "description": "Secondary font family name"
+                                },
+                                "font_urls": {
+                                  "type": "array",
+                                  "description": "URLs to web font files if using custom fonts",
+                                  "items": {
+                                    "type": "string",
+                                    "format": "uri"
+                                  }
+                                }
+                              }
+                            },
+                            "tone": {
+                              "type": "string",
+                              "description": "Brand voice and messaging tone (e.g., 'professional', 'casual', 'humorous', 'trustworthy', 'innovative')"
+                            },
+                            "tagline": {
+                              "type": "string",
+                              "description": "Brand tagline or slogan"
+                            },
+                            "assets": {
+                              "type": "array",
+                              "description": "Brand asset library with explicit assets and tags. Assets are referenced inline with URLs pointing to CDN-hosted files.",
+                              "items": {
+                                "type": "object",
+                                "properties": {
+                                  "asset_id": {
+                                    "type": "string",
+                                    "description": "Unique identifier for this asset"
+                                  },
+                                  "asset_type": {
+                                    "title": "Asset Content Type",
+                                    "description": "Type of asset. Note: Brand manifests typically contain basic media assets (image, video, audio, text). Code assets (html, javascript, css) and ad markup (vast, daast) are usually not part of brand asset libraries.",
+                                    "type": "string",
+                                    "enum": [
+                                      "image",
+                                      "video",
+                                      "audio",
+                                      "text",
+                                      "markdown",
+                                      "html",
+                                      "css",
+                                      "javascript",
+                                      "vast",
+                                      "daast",
+                                      "promoted_offerings",
+                                      "url",
+                                      "webhook"
+                                    ]
+                                  },
+                                  "url": {
+                                    "type": "string",
+                                    "format": "uri",
+                                    "description": "URL to CDN-hosted asset file"
+                                  },
+                                  "tags": {
+                                    "type": "array",
+                                    "description": "Tags for asset discovery (e.g., 'holiday', 'lifestyle', 'product_shot')",
+                                    "items": {
+                                      "type": "string"
+                                    }
+                                  },
+                                  "name": {
+                                    "type": "string",
+                                    "description": "Human-readable asset name"
+                                  },
+                                  "description": {
+                                    "type": "string",
+                                    "description": "Asset description or usage notes"
+                                  },
+                                  "width": {
+                                    "type": "integer",
+                                    "description": "Image/video width in pixels"
+                                  },
+                                  "height": {
+                                    "type": "integer",
+                                    "description": "Image/video height in pixels"
+                                  },
+                                  "duration_seconds": {
+                                    "type": "number",
+                                    "description": "Video/audio duration in seconds"
+                                  },
+                                  "file_size_bytes": {
+                                    "type": "integer",
+                                    "description": "File size in bytes"
+                                  },
+                                  "format": {
+                                    "type": "string",
+                                    "description": "File format (e.g., 'jpg', 'mp4', 'mp3')"
+                                  },
+                                  "metadata": {
+                                    "type": "object",
+                                    "description": "Additional asset-specific metadata",
+                                    "additionalProperties": true
+                                  }
+                                },
+                                "required": [
+                                  "asset_id",
+                                  "asset_type",
+                                  "url"
+                                ],
+                                "additionalProperties": true
+                              }
+                            },
+                            "product_catalog": {
+                              "type": "object",
+                              "description": "Product catalog information for e-commerce advertisers. Enables SKU-level creative generation and product selection.",
+                              "properties": {
+                                "feed_url": {
+                                  "type": "string",
+                                  "format": "uri",
+                                  "description": "URL to product catalog feed"
+                                },
+                                "feed_format": {
+                                  "type": "string",
+                                  "enum": [
+                                    "google_merchant_center",
+                                    "facebook_catalog",
+                                    "custom"
+                                  ],
+                                  "default": "google_merchant_center",
+                                  "description": "Format of the product feed"
+                                },
+                                "categories": {
+                                  "type": "array",
+                                  "description": "Product categories available in the catalog (for filtering)",
+                                  "items": {
+                                    "type": "string"
+                                  }
+                                },
+                                "last_updated": {
+                                  "type": "string",
+                                  "format": "date-time",
+                                  "description": "When the product catalog was last updated"
+                                },
+                                "update_frequency": {
+                                  "type": "string",
+                                  "enum": [
+                                    "realtime",
+                                    "hourly",
+                                    "daily",
+                                    "weekly"
+                                  ],
+                                  "description": "How frequently the product catalog is updated"
+                                }
+                              },
+                              "required": [
+                                "feed_url"
+                              ],
+                              "additionalProperties": true
+                            },
+                            "disclaimers": {
+                              "type": "array",
+                              "description": "Legal disclaimers or required text that must appear in creatives",
+                              "items": {
+                                "type": "object",
+                                "properties": {
+                                  "text": {
+                                    "type": "string",
+                                    "description": "Disclaimer text"
+                                  },
+                                  "context": {
+                                    "type": "string",
+                                    "description": "When this disclaimer applies (e.g., 'financial_products', 'health_claims', 'all')"
+                                  },
+                                  "required": {
+                                    "type": "boolean",
+                                    "description": "Whether this disclaimer must appear",
+                                    "default": true
+                                  }
+                                },
+                                "required": [
+                                  "text"
+                                ]
+                              }
+                            },
+                            "industry": {
+                              "type": "string",
+                              "description": "Industry or vertical (e.g., 'retail', 'automotive', 'finance', 'healthcare')"
+                            },
+                            "target_audience": {
+                              "type": "string",
+                              "description": "Primary target audience description"
+                            },
+                            "contact": {
+                              "type": "object",
+                              "description": "Brand contact information",
+                              "properties": {
+                                "email": {
+                                  "type": "string",
+                                  "format": "email",
+                                  "description": "Contact email"
+                                },
+                                "phone": {
+                                  "type": "string",
+                                  "description": "Contact phone number"
+                                }
+                              }
+                            },
+                            "metadata": {
+                              "type": "object",
+                              "description": "Additional brand metadata",
+                              "properties": {
+                                "created_date": {
+                                  "type": "string",
+                                  "format": "date-time",
+                                  "description": "When this brand manifest was created"
+                                },
+                                "updated_date": {
+                                  "type": "string",
+                                  "format": "date-time",
+                                  "description": "When this brand manifest was last updated"
+                                },
+                                "version": {
+                                  "type": "string",
+                                  "description": "Brand card version number"
+                                }
+                              }
+                            }
+                          },
+                          "required": [
+                            "name"
+                          ],
+                          "additionalProperties": true,
+                          "examples": [
+                            {
+                              "description": "Example with both URL and name",
+                              "data": {
+                                "url": "https://bobsfunburgers.com",
+                                "name": "Bob's Fun Burgers"
+                              }
+                            },
+                            {
+                              "description": "Example: white-label brand without dedicated URL",
+                              "data": {
+                                "name": "Great Value",
+                                "colors": {
+                                  "primary": "#0071CE",
+                                  "secondary": "#FFC220"
+                                },
+                                "tone": "affordable and trustworthy"
+                              }
+                            },
+                            {
+                              "description": "Full brand manifest with all fields",
+                              "data": {
+                                "url": "https://acmecorp.com",
+                                "name": "ACME Corporation",
+                                "logos": [
+                                  {
+                                    "url": "https://cdn.acmecorp.com/logo-square-dark.png",
+                                    "tags": [
+                                      "dark",
+                                      "square"
+                                    ],
+                                    "width": 512,
+                                    "height": 512
+                                  },
+                                  {
+                                    "url": "https://cdn.acmecorp.com/logo-horizontal-light.png",
+                                    "tags": [
+                                      "light",
+                                      "horizontal"
+                                    ],
+                                    "width": 1200,
+                                    "height": 400
+                                  }
+                                ],
+                                "colors": {
+                                  "primary": "#FF6B35",
+                                  "secondary": "#004E89",
+                                  "accent": "#F7931E",
+                                  "background": "#FFFFFF",
+                                  "text": "#1A1A1A"
+                                },
+                                "fonts": {
+                                  "primary": "Helvetica Neue",
+                                  "secondary": "Georgia"
+                                },
+                                "tone": "professional and trustworthy",
+                                "tagline": "Innovation You Can Trust",
+                                "assets": [
+                                  {
+                                    "asset_id": "hero_winter_2024",
+                                    "asset_type": "image",
+                                    "url": "https://cdn.acmecorp.com/hero-winter-2024.jpg",
+                                    "tags": [
+                                      "hero",
+                                      "winter",
+                                      "holiday",
+                                      "lifestyle"
+                                    ],
+                                    "name": "Winter Campaign Hero",
+                                    "width": 1920,
+                                    "height": 1080,
+                                    "format": "jpg"
+                                  },
+                                  {
+                                    "asset_id": "product_video_30s",
+                                    "asset_type": "video",
+                                    "url": "https://cdn.acmecorp.com/product-demo-30s.mp4",
+                                    "tags": [
+                                      "product",
+                                      "demo",
+                                      "30s"
+                                    ],
+                                    "name": "Product Demo 30 Second",
+                                    "width": 1920,
+                                    "height": 1080,
+                                    "duration_seconds": 30,
+                                    "format": "mp4"
+                                  }
+                                ],
+                                "product_catalog": {
+                                  "feed_url": "https://acmecorp.com/products.xml",
+                                  "feed_format": "google_merchant_center",
+                                  "categories": [
+                                    "electronics/computers",
+                                    "electronics/accessories"
+                                  ],
+                                  "last_updated": "2024-03-15T10:00:00Z",
+                                  "update_frequency": "hourly"
+                                },
+                                "disclaimers": [
+                                  {
+                                    "text": "Results may vary. Consult a professional before use.",
+                                    "context": "health_claims",
+                                    "required": true
+                                  }
+                                ],
+                                "industry": "technology",
+                                "target_audience": "business decision-makers aged 35-55"
+                              }
+                            }
+                          ]
+                        },
+                        {
+                          "type": "string",
+                          "format": "uri",
+                          "description": "URL to a hosted brand manifest JSON file. The manifest at this URL must conform to the brand-manifest.json schema."
+                        }
+                      ],
+                      "examples": [
+                        {
+                          "description": "Inline brand manifest",
+                          "data": {
+                            "url": "https://acmecorp.com",
+                            "name": "ACME Corporation",
+                            "colors": {
+                              "primary": "#FF6B35"
+                            }
+                          }
+                        },
+                        {
+                          "description": "URL string reference to hosted manifest",
+                          "data": "https://cdn.acmecorp.com/brand-manifest.json"
+                        }
+                      ]
+                    },
+                    "product_selectors": {
+                      "title": "Promoted Products",
+                      "description": "Selectors to choose which products/offerings from the brand manifest product catalog to promote",
+                      "type": "object",
+                      "properties": {
+                        "manifest_skus": {
+                          "type": "array",
+                          "description": "Direct product SKU references from the brand manifest product catalog",
+                          "items": {
+                            "type": "string"
+                          }
+                        },
+                        "manifest_tags": {
+                          "type": "array",
+                          "description": "Select products by tags from the brand manifest product catalog (e.g., 'organic', 'sauces', 'holiday')",
+                          "items": {
+                            "type": "string"
+                          }
+                        },
+                        "manifest_category": {
+                          "type": "string",
+                          "description": "Select products from a specific category in the brand manifest product catalog (e.g., 'beverages/soft-drinks', 'food/sauces')"
+                        },
+                        "manifest_query": {
+                          "type": "string",
+                          "description": "Natural language query to select products from the brand manifest (e.g., 'all Kraft Heinz pasta sauces', 'organic products under $20')"
+                        }
+                      },
+                      "additionalProperties": true,
+                      "examples": [
+                        {
+                          "description": "Direct SKU selection for specific products from brand manifest",
+                          "data": {
+                            "manifest_skus": [
+                              "SKU-12345",
+                              "SKU-67890"
+                            ]
+                          }
+                        },
+                        {
+                          "description": "UNION selection: products tagged 'organic' OR 'sauces' OR in 'food/condiments' category from brand manifest",
+                          "data": {
+                            "manifest_tags": [
+                              "organic",
+                              "sauces"
+                            ],
+                            "manifest_category": "food/condiments"
+                          }
+                        },
+                        {
+                          "description": "Natural language product selection from brand manifest",
+                          "data": {
+                            "manifest_query": "all Kraft Heinz pasta sauces under $5"
+                          }
+                        },
+                        {
+                          "description": "Select products by tags",
+                          "data": {
+                            "manifest_tags": [
+                              "holiday"
+                            ]
+                          }
+                        }
+                      ]
+                    },
+                    "offerings": {
+                      "type": "array",
+                      "description": "Inline offerings for campaigns without a product catalog. Each offering has a name, description, and associated assets.",
+                      "items": {
+                        "type": "object",
+                        "properties": {
+                          "name": {
+                            "type": "string",
+                            "description": "Offering name (e.g., 'Winter Sale', 'New Product Launch')"
+                          },
+                          "description": {
+                            "type": "string",
+                            "description": "Description of what's being offered"
+                          },
+                          "assets": {
+                            "type": "array",
+                            "description": "Assets specific to this offering",
+                            "items": {
+                              "type": "object",
+                              "description": "Asset definition using standard asset structure",
+                              "additionalProperties": true
+                            }
+                          }
+                        },
+                        "required": [
+                          "name"
+                        ],
+                        "additionalProperties": true
+                      }
+                    },
+                    "asset_selectors": {
+                      "type": "object",
+                      "description": "Selectors to choose specific assets from the brand manifest",
+                      "properties": {
+                        "tags": {
+                          "type": "array",
+                          "description": "Select assets with specific tags (e.g., ['holiday', 'premium'])",
+                          "items": {
+                            "type": "string"
+                          }
+                        },
+                        "asset_types": {
+                          "type": "array",
+                          "description": "Filter by asset type (e.g., ['image', 'video'])",
+                          "items": {
+                            "type": "string",
+                            "enum": [
+                              "image",
+                              "video",
+                              "audio",
+                              "vast",
+                              "daast",
+                              "text",
+                              "url",
+                              "html",
+                              "css",
+                              "javascript",
+                              "webhook"
+                            ]
+                          }
+                        },
+                        "exclude_tags": {
+                          "type": "array",
+                          "description": "Exclude assets with these tags",
+                          "items": {
+                            "type": "string"
+                          }
+                        }
+                      },
+                      "additionalProperties": true
+                    }
+                  },
+                  "required": [
+                    "brand_manifest"
+                  ],
+                  "additionalProperties": true,
+                  "examples": [
+                    {
+                      "brand_manifest": {
+                        "name": "Brand Name",
+                        "url": "https://brand.com"
+                      },
+                      "product_selectors": {
+                        "manifest_skus": [
+                          "SKU-123",
+                          "SKU-456"
+                        ]
+                      },
+                      "asset_selectors": {
+                        "tags": [
+                          "holiday"
+                        ],
+                        "asset_types": [
+                          "image",
+                          "video"
+                        ]
+                      }
+                    }
+                  ]
+                }
+              ]
+            }
+          },
+          "additionalProperties": true
+        },
+        "ext": {
+          "title": "Extension Object",
+          "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+          "type": "object",
+          "additionalProperties": true
+        }
+      },
+      "required": [
+        "format_id",
+        "assets"
+      ],
+      "additionalProperties": true
+    },
+    "target_format_id": {
+      "title": "Format ID",
+      "description": "Format ID to generate. The format definition specifies required input assets and output structure.",
+      "type": "object",
+      "properties": {
+        "agent_url": {
+          "type": "string",
+          "format": "uri",
+          "description": "URL of the agent that defines this format (e.g., 'https://creatives.adcontextprotocol.org' for standard formats, or 'https://publisher.com/.well-known/adcp/sales' for custom formats)"
+        },
+        "id": {
+          "type": "string",
+          "pattern": "^[a-zA-Z0-9_-]+$",
+          "description": "Format identifier within the agent's namespace (e.g., 'display_static', 'video_hosted', 'audio_standard'). When used alone, references a template format. When combined with dimension/duration fields, creates a parameterized format ID for a specific variant."
+        },
+        "width": {
+          "type": "integer",
+          "minimum": 1,
+          "description": "Width in pixels for visual formats. When specified, height must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+        },
+        "height": {
+          "type": "integer",
+          "minimum": 1,
+          "description": "Height in pixels for visual formats. When specified, width must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+        },
+        "duration_ms": {
+          "type": "number",
+          "minimum": 1,
+          "description": "Duration in milliseconds for time-based formats (video, audio). When specified, creates a parameterized format ID. Omit to reference a template format without parameters."
+        }
+      },
+      "required": [
+        "agent_url",
+        "id"
+      ],
+      "additionalProperties": true,
+      "dependencies": {
+        "width": [
+          "height"
+        ],
+        "height": [
+          "width"
+        ]
+      }
+    },
+    "context": {
+      "title": "Context Object",
+      "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+      "type": "object",
+      "additionalProperties": true
+    },
+    "ext": {
+      "title": "Extension Object",
+      "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+      "type": "object",
+      "additionalProperties": true
+    }
+  },
+  "required": [
+    "target_format_id"
+  ],
+  "additionalProperties": true,
+  "_bundled": {
+    "generatedAt": "2026-01-07T19:39:14.373Z",
+    "note": "This is a bundled schema with all $ref resolved inline. For the modular version with references, use the parent directory."
+  }
+}
\ No newline at end of file
diff --git a/dist/schemas/2.5.2/bundled/media-buy/build-creative-response.json b/dist/schemas/2.5.2/bundled/media-buy/build-creative-response.json
new file mode 100644
index 0000000000..efccf15266
--- /dev/null
+++ b/dist/schemas/2.5.2/bundled/media-buy/build-creative-response.json
@@ -0,0 +1,1383 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/bundled/media-buy/build-creative-response.json",
+  "title": "Build Creative Response",
+  "description": "Response containing the transformed or generated creative manifest, ready for use with preview_creative or sync_creatives. Returns either the complete creative manifest OR error information, never both.",
+  "type": "object",
+  "oneOf": [
+    {
+      "title": "BuildCreativeSuccess",
+      "description": "Success response - creative manifest generated successfully",
+      "type": "object",
+      "properties": {
+        "creative_manifest": {
+          "title": "Creative Manifest",
+          "description": "The generated or transformed creative manifest",
+          "type": "object",
+          "properties": {
+            "format_id": {
+              "title": "Format ID",
+              "description": "Format identifier this manifest is for. Can be a template format (id only) or a deterministic format (id + dimensions/duration). For dimension-specific creatives, include width/height/unit in the format_id to create a unique identifier (e.g., {id: 'display_static', width: 300, height: 250, unit: 'px'}).",
+              "type": "object",
+              "properties": {
+                "agent_url": {
+                  "type": "string",
+                  "format": "uri",
+                  "description": "URL of the agent that defines this format (e.g., 'https://creatives.adcontextprotocol.org' for standard formats, or 'https://publisher.com/.well-known/adcp/sales' for custom formats)"
+                },
+                "id": {
+                  "type": "string",
+                  "pattern": "^[a-zA-Z0-9_-]+$",
+                  "description": "Format identifier within the agent's namespace (e.g., 'display_static', 'video_hosted', 'audio_standard'). When used alone, references a template format. When combined with dimension/duration fields, creates a parameterized format ID for a specific variant."
+                },
+                "width": {
+                  "type": "integer",
+                  "minimum": 1,
+                  "description": "Width in pixels for visual formats. When specified, height must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+                },
+                "height": {
+                  "type": "integer",
+                  "minimum": 1,
+                  "description": "Height in pixels for visual formats. When specified, width must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+                },
+                "duration_ms": {
+                  "type": "number",
+                  "minimum": 1,
+                  "description": "Duration in milliseconds for time-based formats (video, audio). When specified, creates a parameterized format ID. Omit to reference a template format without parameters."
+                }
+              },
+              "required": [
+                "agent_url",
+                "id"
+              ],
+              "additionalProperties": true,
+              "dependencies": {
+                "width": [
+                  "height"
+                ],
+                "height": [
+                  "width"
+                ]
+              }
+            },
+            "promoted_offering": {
+              "type": "string",
+              "description": "Product name or offering being advertised. Maps to promoted_offerings in create_media_buy request to associate creative with the product being promoted."
+            },
+            "assets": {
+              "type": "object",
+              "description": "Map of asset IDs to actual asset content. Each key MUST match an asset_id from the format's assets_required array (e.g., 'banner_image', 'clickthrough_url', 'video_file', 'vast_tag'). The asset_id is the technical identifier used to match assets to format requirements.\n\nIMPORTANT: Creative manifest validation MUST be performed in the context of the format specification. The format defines what type each asset_id should be, which eliminates any validation ambiguity.",
+              "patternProperties": {
+                "^[a-z0-9_]+$": {
+                  "oneOf": [
+                    {
+                      "title": "Image Asset",
+                      "description": "Image asset with URL and dimensions",
+                      "type": "object",
+                      "properties": {
+                        "url": {
+                          "type": "string",
+                          "format": "uri",
+                          "description": "URL to the image asset"
+                        },
+                        "width": {
+                          "type": "integer",
+                          "minimum": 1,
+                          "description": "Width in pixels"
+                        },
+                        "height": {
+                          "type": "integer",
+                          "minimum": 1,
+                          "description": "Height in pixels"
+                        },
+                        "format": {
+                          "type": "string",
+                          "description": "Image file format (jpg, png, gif, webp, etc.)"
+                        },
+                        "alt_text": {
+                          "type": "string",
+                          "description": "Alternative text for accessibility"
+                        }
+                      },
+                      "required": [
+                        "url",
+                        "width",
+                        "height"
+                      ],
+                      "additionalProperties": true
+                    },
+                    {
+                      "title": "Video Asset",
+                      "description": "Video asset with URL and specifications",
+                      "type": "object",
+                      "properties": {
+                        "url": {
+                          "type": "string",
+                          "format": "uri",
+                          "description": "URL to the video asset"
+                        },
+                        "width": {
+                          "type": "integer",
+                          "minimum": 1,
+                          "description": "Width in pixels"
+                        },
+                        "height": {
+                          "type": "integer",
+                          "minimum": 1,
+                          "description": "Height in pixels"
+                        },
+                        "duration_ms": {
+                          "type": "integer",
+                          "description": "Video duration in milliseconds",
+                          "minimum": 1
+                        },
+                        "format": {
+                          "type": "string",
+                          "description": "Video file format (mp4, webm, mov, etc.)"
+                        },
+                        "bitrate_kbps": {
+                          "type": "integer",
+                          "description": "Video bitrate in kilobits per second",
+                          "minimum": 1
+                        }
+                      },
+                      "required": [
+                        "url",
+                        "width",
+                        "height"
+                      ],
+                      "additionalProperties": true
+                    },
+                    {
+                      "title": "Audio Asset",
+                      "description": "Audio asset with URL and specifications",
+                      "type": "object",
+                      "properties": {
+                        "url": {
+                          "type": "string",
+                          "format": "uri",
+                          "description": "URL to the audio asset"
+                        },
+                        "duration_ms": {
+                          "type": "integer",
+                          "description": "Audio duration in milliseconds",
+                          "minimum": 0
+                        },
+                        "format": {
+                          "type": "string",
+                          "description": "Audio file format (mp3, wav, aac, etc.)"
+                        },
+                        "bitrate_kbps": {
+                          "type": "integer",
+                          "description": "Audio bitrate in kilobits per second",
+                          "minimum": 1
+                        }
+                      },
+                      "required": [
+                        "url"
+                      ],
+                      "additionalProperties": true
+                    },
+                    {
+                      "title": "VAST Asset",
+                      "description": "VAST (Video Ad Serving Template) tag for third-party video ad serving",
+                      "oneOf": [
+                        {
+                          "type": "object",
+                          "properties": {
+                            "delivery_type": {
+                              "type": "string",
+                              "const": "url",
+                              "description": "Discriminator indicating VAST is delivered via URL endpoint"
+                            },
+                            "url": {
+                              "type": "string",
+                              "format": "uri",
+                              "description": "URL endpoint that returns VAST XML"
+                            },
+                            "vast_version": {
+                              "title": "VAST Version",
+                              "description": "VAST specification version",
+                              "type": "string",
+                              "enum": [
+                                "2.0",
+                                "3.0",
+                                "4.0",
+                                "4.1",
+                                "4.2"
+                              ]
+                            },
+                            "vpaid_enabled": {
+                              "type": "boolean",
+                              "description": "Whether VPAID (Video Player-Ad Interface Definition) is supported"
+                            },
+                            "duration_ms": {
+                              "type": "integer",
+                              "description": "Expected video duration in milliseconds (if known)",
+                              "minimum": 0
+                            },
+                            "tracking_events": {
+                              "type": "array",
+                              "items": {
+                                "title": "VAST Tracking Event",
+                                "description": "Standard VAST tracking events for video ad playback and interaction",
+                                "type": "string",
+                                "enum": [
+                                  "start",
+                                  "firstQuartile",
+                                  "midpoint",
+                                  "thirdQuartile",
+                                  "complete",
+                                  "impression",
+                                  "click",
+                                  "pause",
+                                  "resume",
+                                  "skip",
+                                  "mute",
+                                  "unmute",
+                                  "fullscreen",
+                                  "exitFullscreen",
+                                  "playerExpand",
+                                  "playerCollapse"
+                                ]
+                              },
+                              "description": "Tracking events supported by this VAST tag"
+                            }
+                          },
+                          "required": [
+                            "delivery_type",
+                            "url"
+                          ],
+                          "additionalProperties": true
+                        },
+                        {
+                          "type": "object",
+                          "properties": {
+                            "delivery_type": {
+                              "type": "string",
+                              "const": "inline",
+                              "description": "Discriminator indicating VAST is delivered as inline XML content"
+                            },
+                            "content": {
+                              "type": "string",
+                              "description": "Inline VAST XML content"
+                            },
+                            "vast_version": {
+                              "title": "VAST Version",
+                              "description": "VAST specification version",
+                              "type": "string",
+                              "enum": [
+                                "2.0",
+                                "3.0",
+                                "4.0",
+                                "4.1",
+                                "4.2"
+                              ]
+                            },
+                            "vpaid_enabled": {
+                              "type": "boolean",
+                              "description": "Whether VPAID (Video Player-Ad Interface Definition) is supported"
+                            },
+                            "duration_ms": {
+                              "type": "integer",
+                              "description": "Expected video duration in milliseconds (if known)",
+                              "minimum": 0
+                            },
+                            "tracking_events": {
+                              "type": "array",
+                              "items": {
+                                "title": "VAST Tracking Event",
+                                "description": "Standard VAST tracking events for video ad playback and interaction",
+                                "type": "string",
+                                "enum": [
+                                  "start",
+                                  "firstQuartile",
+                                  "midpoint",
+                                  "thirdQuartile",
+                                  "complete",
+                                  "impression",
+                                  "click",
+                                  "pause",
+                                  "resume",
+                                  "skip",
+                                  "mute",
+                                  "unmute",
+                                  "fullscreen",
+                                  "exitFullscreen",
+                                  "playerExpand",
+                                  "playerCollapse"
+                                ]
+                              },
+                              "description": "Tracking events supported by this VAST tag"
+                            }
+                          },
+                          "required": [
+                            "delivery_type",
+                            "content"
+                          ],
+                          "additionalProperties": true
+                        }
+                      ]
+                    },
+                    {
+                      "title": "Text Asset",
+                      "description": "Text content asset",
+                      "type": "object",
+                      "properties": {
+                        "content": {
+                          "type": "string",
+                          "description": "Text content"
+                        },
+                        "language": {
+                          "type": "string",
+                          "description": "Language code (e.g., 'en', 'es', 'fr')"
+                        }
+                      },
+                      "required": [
+                        "content"
+                      ],
+                      "additionalProperties": true
+                    },
+                    {
+                      "title": "URL Asset",
+                      "description": "URL reference asset",
+                      "type": "object",
+                      "properties": {
+                        "url": {
+                          "type": "string",
+                          "format": "uri",
+                          "description": "URL reference"
+                        },
+                        "url_type": {
+                          "title": "URL Asset Type",
+                          "description": "Type of URL asset: 'clickthrough' for user click destination (landing page), 'tracker_pixel' for impression/event tracking via HTTP request (fires GET, expects pixel/204 response), 'tracker_script' for measurement SDKs that must load as <script> tag (OMID verification, native event trackers using method:2)",
+                          "type": "string",
+                          "enum": [
+                            "clickthrough",
+                            "tracker_pixel",
+                            "tracker_script"
+                          ]
+                        },
+                        "description": {
+                          "type": "string",
+                          "description": "Description of what this URL points to"
+                        }
+                      },
+                      "required": [
+                        "url"
+                      ],
+                      "additionalProperties": true
+                    },
+                    {
+                      "title": "HTML Asset",
+                      "description": "HTML content asset",
+                      "type": "object",
+                      "properties": {
+                        "content": {
+                          "type": "string",
+                          "description": "HTML content"
+                        },
+                        "version": {
+                          "type": "string",
+                          "description": "HTML version (e.g., 'HTML5')"
+                        }
+                      },
+                      "required": [
+                        "content"
+                      ],
+                      "additionalProperties": true
+                    },
+                    {
+                      "title": "JavaScript Asset",
+                      "description": "JavaScript code asset",
+                      "type": "object",
+                      "properties": {
+                        "content": {
+                          "type": "string",
+                          "description": "JavaScript content"
+                        },
+                        "module_type": {
+                          "title": "JavaScript Module Type",
+                          "description": "JavaScript module type",
+                          "type": "string",
+                          "enum": [
+                            "esm",
+                            "commonjs",
+                            "script"
+                          ]
+                        }
+                      },
+                      "required": [
+                        "content"
+                      ],
+                      "additionalProperties": true
+                    },
+                    {
+                      "title": "Webhook Asset",
+                      "description": "Webhook for server-side dynamic content rendering (DCO)",
+                      "type": "object",
+                      "properties": {
+                        "url": {
+                          "type": "string",
+                          "format": "uri",
+                          "description": "Webhook URL to call for dynamic content"
+                        },
+                        "method": {
+                          "title": "HTTP Method",
+                          "description": "HTTP method",
+                          "type": "string",
+                          "enum": [
+                            "GET",
+                            "POST"
+                          ],
+                          "default": "POST"
+                        },
+                        "timeout_ms": {
+                          "type": "integer",
+                          "minimum": 10,
+                          "maximum": 5000,
+                          "default": 500,
+                          "description": "Maximum time to wait for response in milliseconds"
+                        },
+                        "supported_macros": {
+                          "type": "array",
+                          "items": {
+                            "type": "string"
+                          },
+                          "description": "Universal macros that can be passed to webhook (e.g., {DEVICE_TYPE}, {COUNTRY})"
+                        },
+                        "required_macros": {
+                          "type": "array",
+                          "items": {
+                            "type": "string"
+                          },
+                          "description": "Universal macros that must be provided for webhook to function"
+                        },
+                        "response_type": {
+                          "title": "Webhook Response Type",
+                          "description": "Expected content type of webhook response",
+                          "type": "string",
+                          "enum": [
+                            "html",
+                            "json",
+                            "xml",
+                            "javascript"
+                          ]
+                        },
+                        "security": {
+                          "type": "object",
+                          "description": "Security configuration for webhook calls",
+                          "properties": {
+                            "method": {
+                              "title": "Webhook Security Method",
+                              "description": "Authentication method",
+                              "type": "string",
+                              "enum": [
+                                "hmac_sha256",
+                                "api_key",
+                                "none"
+                              ]
+                            },
+                            "hmac_header": {
+                              "type": "string",
+                              "description": "Header name for HMAC signature (e.g., 'X-Signature')"
+                            },
+                            "api_key_header": {
+                              "type": "string",
+                              "description": "Header name for API key (e.g., 'X-API-Key')"
+                            }
+                          },
+                          "required": [
+                            "method"
+                          ]
+                        }
+                      },
+                      "required": [
+                        "url",
+                        "response_type",
+                        "security"
+                      ],
+                      "additionalProperties": true
+                    },
+                    {
+                      "title": "CSS Asset",
+                      "description": "CSS stylesheet asset",
+                      "type": "object",
+                      "properties": {
+                        "content": {
+                          "type": "string",
+                          "description": "CSS content"
+                        },
+                        "media": {
+                          "type": "string",
+                          "description": "CSS media query context (e.g., 'screen', 'print')"
+                        }
+                      },
+                      "required": [
+                        "content"
+                      ],
+                      "additionalProperties": true
+                    },
+                    {
+                      "title": "DAAST Asset",
+                      "description": "DAAST (Digital Audio Ad Serving Template) tag for third-party audio ad serving",
+                      "oneOf": [
+                        {
+                          "type": "object",
+                          "properties": {
+                            "delivery_type": {
+                              "type": "string",
+                              "const": "url",
+                              "description": "Discriminator indicating DAAST is delivered via URL endpoint"
+                            },
+                            "url": {
+                              "type": "string",
+                              "format": "uri",
+                              "description": "URL endpoint that returns DAAST XML"
+                            },
+                            "daast_version": {
+                              "title": "DAAST Version",
+                              "description": "DAAST specification version",
+                              "type": "string",
+                              "enum": [
+                                "1.0",
+                                "1.1"
+                              ]
+                            },
+                            "duration_ms": {
+                              "type": "integer",
+                              "description": "Expected audio duration in milliseconds (if known)",
+                              "minimum": 0
+                            },
+                            "tracking_events": {
+                              "type": "array",
+                              "items": {
+                                "title": "DAAST Tracking Event",
+                                "description": "Standard DAAST tracking events for audio ad playback and interaction",
+                                "type": "string",
+                                "enum": [
+                                  "start",
+                                  "firstQuartile",
+                                  "midpoint",
+                                  "thirdQuartile",
+                                  "complete",
+                                  "impression",
+                                  "pause",
+                                  "resume",
+                                  "skip",
+                                  "mute",
+                                  "unmute"
+                                ]
+                              },
+                              "description": "Tracking events supported by this DAAST tag"
+                            },
+                            "companion_ads": {
+                              "type": "boolean",
+                              "description": "Whether companion display ads are included"
+                            }
+                          },
+                          "required": [
+                            "delivery_type",
+                            "url"
+                          ],
+                          "additionalProperties": true
+                        },
+                        {
+                          "type": "object",
+                          "properties": {
+                            "delivery_type": {
+                              "type": "string",
+                              "const": "inline",
+                              "description": "Discriminator indicating DAAST is delivered as inline XML content"
+                            },
+                            "content": {
+                              "type": "string",
+                              "description": "Inline DAAST XML content"
+                            },
+                            "daast_version": {
+                              "title": "DAAST Version",
+                              "description": "DAAST specification version",
+                              "type": "string",
+                              "enum": [
+                                "1.0",
+                                "1.1"
+                              ]
+                            },
+                            "duration_ms": {
+                              "type": "integer",
+                              "description": "Expected audio duration in milliseconds (if known)",
+                              "minimum": 0
+                            },
+                            "tracking_events": {
+                              "type": "array",
+                              "items": {
+                                "title": "DAAST Tracking Event",
+                                "description": "Standard DAAST tracking events for audio ad playback and interaction",
+                                "type": "string",
+                                "enum": [
+                                  "start",
+                                  "firstQuartile",
+                                  "midpoint",
+                                  "thirdQuartile",
+                                  "complete",
+                                  "impression",
+                                  "pause",
+                                  "resume",
+                                  "skip",
+                                  "mute",
+                                  "unmute"
+                                ]
+                              },
+                              "description": "Tracking events supported by this DAAST tag"
+                            },
+                            "companion_ads": {
+                              "type": "boolean",
+                              "description": "Whether companion display ads are included"
+                            }
+                          },
+                          "required": [
+                            "delivery_type",
+                            "content"
+                          ],
+                          "additionalProperties": true
+                        }
+                      ]
+                    },
+                    {
+                      "title": "Promoted Offerings",
+                      "description": "Complete offering specification combining brand manifest, product selectors, and asset filters. Provides all context needed for creative generation about what is being promoted.",
+                      "type": "object",
+                      "properties": {
+                        "brand_manifest": {
+                          "title": "Brand Manifest Reference",
+                          "description": "Brand information manifest containing assets, themes, and guidelines. Can be provided inline or as a URL reference to a hosted manifest.",
+                          "oneOf": [
+                            {
+                              "title": "Brand Manifest",
+                              "description": "Inline brand manifest object",
+                              "type": "object",
+                              "properties": {
+                                "url": {
+                                  "type": "string",
+                                  "format": "uri",
+                                  "description": "Primary brand URL for context and asset discovery. Creative agents can infer brand information from this URL."
+                                },
+                                "name": {
+                                  "type": "string",
+                                  "description": "Brand or business name"
+                                },
+                                "logos": {
+                                  "type": "array",
+                                  "description": "Brand logo assets with semantic tags for different use cases",
+                                  "items": {
+                                    "type": "object",
+                                    "properties": {
+                                      "url": {
+                                        "type": "string",
+                                        "format": "uri",
+                                        "description": "URL to the logo asset"
+                                      },
+                                      "tags": {
+                                        "type": "array",
+                                        "description": "Semantic tags describing the logo variant (e.g., 'dark', 'light', 'square', 'horizontal', 'icon')",
+                                        "items": {
+                                          "type": "string"
+                                        }
+                                      },
+                                      "width": {
+                                        "type": "integer",
+                                        "description": "Logo width in pixels"
+                                      },
+                                      "height": {
+                                        "type": "integer",
+                                        "description": "Logo height in pixels"
+                                      }
+                                    },
+                                    "required": [
+                                      "url"
+                                    ]
+                                  }
+                                },
+                                "colors": {
+                                  "type": "object",
+                                  "description": "Brand color palette",
+                                  "properties": {
+                                    "primary": {
+                                      "type": "string",
+                                      "pattern": "^#[0-9A-Fa-f]{6}$",
+                                      "description": "Primary brand color (hex format)"
+                                    },
+                                    "secondary": {
+                                      "type": "string",
+                                      "pattern": "^#[0-9A-Fa-f]{6}$",
+                                      "description": "Secondary brand color (hex format)"
+                                    },
+                                    "accent": {
+                                      "type": "string",
+                                      "pattern": "^#[0-9A-Fa-f]{6}$",
+                                      "description": "Accent color (hex format)"
+                                    },
+                                    "background": {
+                                      "type": "string",
+                                      "pattern": "^#[0-9A-Fa-f]{6}$",
+                                      "description": "Background color (hex format)"
+                                    },
+                                    "text": {
+                                      "type": "string",
+                                      "pattern": "^#[0-9A-Fa-f]{6}$",
+                                      "description": "Text color (hex format)"
+                                    }
+                                  }
+                                },
+                                "fonts": {
+                                  "type": "object",
+                                  "description": "Brand typography guidelines",
+                                  "properties": {
+                                    "primary": {
+                                      "type": "string",
+                                      "description": "Primary font family name"
+                                    },
+                                    "secondary": {
+                                      "type": "string",
+                                      "description": "Secondary font family name"
+                                    },
+                                    "font_urls": {
+                                      "type": "array",
+                                      "description": "URLs to web font files if using custom fonts",
+                                      "items": {
+                                        "type": "string",
+                                        "format": "uri"
+                                      }
+                                    }
+                                  }
+                                },
+                                "tone": {
+                                  "type": "string",
+                                  "description": "Brand voice and messaging tone (e.g., 'professional', 'casual', 'humorous', 'trustworthy', 'innovative')"
+                                },
+                                "tagline": {
+                                  "type": "string",
+                                  "description": "Brand tagline or slogan"
+                                },
+                                "assets": {
+                                  "type": "array",
+                                  "description": "Brand asset library with explicit assets and tags. Assets are referenced inline with URLs pointing to CDN-hosted files.",
+                                  "items": {
+                                    "type": "object",
+                                    "properties": {
+                                      "asset_id": {
+                                        "type": "string",
+                                        "description": "Unique identifier for this asset"
+                                      },
+                                      "asset_type": {
+                                        "title": "Asset Content Type",
+                                        "description": "Type of asset. Note: Brand manifests typically contain basic media assets (image, video, audio, text). Code assets (html, javascript, css) and ad markup (vast, daast) are usually not part of brand asset libraries.",
+                                        "type": "string",
+                                        "enum": [
+                                          "image",
+                                          "video",
+                                          "audio",
+                                          "text",
+                                          "markdown",
+                                          "html",
+                                          "css",
+                                          "javascript",
+                                          "vast",
+                                          "daast",
+                                          "promoted_offerings",
+                                          "url",
+                                          "webhook"
+                                        ]
+                                      },
+                                      "url": {
+                                        "type": "string",
+                                        "format": "uri",
+                                        "description": "URL to CDN-hosted asset file"
+                                      },
+                                      "tags": {
+                                        "type": "array",
+                                        "description": "Tags for asset discovery (e.g., 'holiday', 'lifestyle', 'product_shot')",
+                                        "items": {
+                                          "type": "string"
+                                        }
+                                      },
+                                      "name": {
+                                        "type": "string",
+                                        "description": "Human-readable asset name"
+                                      },
+                                      "description": {
+                                        "type": "string",
+                                        "description": "Asset description or usage notes"
+                                      },
+                                      "width": {
+                                        "type": "integer",
+                                        "description": "Image/video width in pixels"
+                                      },
+                                      "height": {
+                                        "type": "integer",
+                                        "description": "Image/video height in pixels"
+                                      },
+                                      "duration_seconds": {
+                                        "type": "number",
+                                        "description": "Video/audio duration in seconds"
+                                      },
+                                      "file_size_bytes": {
+                                        "type": "integer",
+                                        "description": "File size in bytes"
+                                      },
+                                      "format": {
+                                        "type": "string",
+                                        "description": "File format (e.g., 'jpg', 'mp4', 'mp3')"
+                                      },
+                                      "metadata": {
+                                        "type": "object",
+                                        "description": "Additional asset-specific metadata",
+                                        "additionalProperties": true
+                                      }
+                                    },
+                                    "required": [
+                                      "asset_id",
+                                      "asset_type",
+                                      "url"
+                                    ],
+                                    "additionalProperties": true
+                                  }
+                                },
+                                "product_catalog": {
+                                  "type": "object",
+                                  "description": "Product catalog information for e-commerce advertisers. Enables SKU-level creative generation and product selection.",
+                                  "properties": {
+                                    "feed_url": {
+                                      "type": "string",
+                                      "format": "uri",
+                                      "description": "URL to product catalog feed"
+                                    },
+                                    "feed_format": {
+                                      "type": "string",
+                                      "enum": [
+                                        "google_merchant_center",
+                                        "facebook_catalog",
+                                        "custom"
+                                      ],
+                                      "default": "google_merchant_center",
+                                      "description": "Format of the product feed"
+                                    },
+                                    "categories": {
+                                      "type": "array",
+                                      "description": "Product categories available in the catalog (for filtering)",
+                                      "items": {
+                                        "type": "string"
+                                      }
+                                    },
+                                    "last_updated": {
+                                      "type": "string",
+                                      "format": "date-time",
+                                      "description": "When the product catalog was last updated"
+                                    },
+                                    "update_frequency": {
+                                      "type": "string",
+                                      "enum": [
+                                        "realtime",
+                                        "hourly",
+                                        "daily",
+                                        "weekly"
+                                      ],
+                                      "description": "How frequently the product catalog is updated"
+                                    }
+                                  },
+                                  "required": [
+                                    "feed_url"
+                                  ],
+                                  "additionalProperties": true
+                                },
+                                "disclaimers": {
+                                  "type": "array",
+                                  "description": "Legal disclaimers or required text that must appear in creatives",
+                                  "items": {
+                                    "type": "object",
+                                    "properties": {
+                                      "text": {
+                                        "type": "string",
+                                        "description": "Disclaimer text"
+                                      },
+                                      "context": {
+                                        "type": "string",
+                                        "description": "When this disclaimer applies (e.g., 'financial_products', 'health_claims', 'all')"
+                                      },
+                                      "required": {
+                                        "type": "boolean",
+                                        "description": "Whether this disclaimer must appear",
+                                        "default": true
+                                      }
+                                    },
+                                    "required": [
+                                      "text"
+                                    ]
+                                  }
+                                },
+                                "industry": {
+                                  "type": "string",
+                                  "description": "Industry or vertical (e.g., 'retail', 'automotive', 'finance', 'healthcare')"
+                                },
+                                "target_audience": {
+                                  "type": "string",
+                                  "description": "Primary target audience description"
+                                },
+                                "contact": {
+                                  "type": "object",
+                                  "description": "Brand contact information",
+                                  "properties": {
+                                    "email": {
+                                      "type": "string",
+                                      "format": "email",
+                                      "description": "Contact email"
+                                    },
+                                    "phone": {
+                                      "type": "string",
+                                      "description": "Contact phone number"
+                                    }
+                                  }
+                                },
+                                "metadata": {
+                                  "type": "object",
+                                  "description": "Additional brand metadata",
+                                  "properties": {
+                                    "created_date": {
+                                      "type": "string",
+                                      "format": "date-time",
+                                      "description": "When this brand manifest was created"
+                                    },
+                                    "updated_date": {
+                                      "type": "string",
+                                      "format": "date-time",
+                                      "description": "When this brand manifest was last updated"
+                                    },
+                                    "version": {
+                                      "type": "string",
+                                      "description": "Brand card version number"
+                                    }
+                                  }
+                                }
+                              },
+                              "required": [
+                                "name"
+                              ],
+                              "additionalProperties": true,
+                              "examples": [
+                                {
+                                  "description": "Example with both URL and name",
+                                  "data": {
+                                    "url": "https://bobsfunburgers.com",
+                                    "name": "Bob's Fun Burgers"
+                                  }
+                                },
+                                {
+                                  "description": "Example: white-label brand without dedicated URL",
+                                  "data": {
+                                    "name": "Great Value",
+                                    "colors": {
+                                      "primary": "#0071CE",
+                                      "secondary": "#FFC220"
+                                    },
+                                    "tone": "affordable and trustworthy"
+                                  }
+                                },
+                                {
+                                  "description": "Full brand manifest with all fields",
+                                  "data": {
+                                    "url": "https://acmecorp.com",
+                                    "name": "ACME Corporation",
+                                    "logos": [
+                                      {
+                                        "url": "https://cdn.acmecorp.com/logo-square-dark.png",
+                                        "tags": [
+                                          "dark",
+                                          "square"
+                                        ],
+                                        "width": 512,
+                                        "height": 512
+                                      },
+                                      {
+                                        "url": "https://cdn.acmecorp.com/logo-horizontal-light.png",
+                                        "tags": [
+                                          "light",
+                                          "horizontal"
+                                        ],
+                                        "width": 1200,
+                                        "height": 400
+                                      }
+                                    ],
+                                    "colors": {
+                                      "primary": "#FF6B35",
+                                      "secondary": "#004E89",
+                                      "accent": "#F7931E",
+                                      "background": "#FFFFFF",
+                                      "text": "#1A1A1A"
+                                    },
+                                    "fonts": {
+                                      "primary": "Helvetica Neue",
+                                      "secondary": "Georgia"
+                                    },
+                                    "tone": "professional and trustworthy",
+                                    "tagline": "Innovation You Can Trust",
+                                    "assets": [
+                                      {
+                                        "asset_id": "hero_winter_2024",
+                                        "asset_type": "image",
+                                        "url": "https://cdn.acmecorp.com/hero-winter-2024.jpg",
+                                        "tags": [
+                                          "hero",
+                                          "winter",
+                                          "holiday",
+                                          "lifestyle"
+                                        ],
+                                        "name": "Winter Campaign Hero",
+                                        "width": 1920,
+                                        "height": 1080,
+                                        "format": "jpg"
+                                      },
+                                      {
+                                        "asset_id": "product_video_30s",
+                                        "asset_type": "video",
+                                        "url": "https://cdn.acmecorp.com/product-demo-30s.mp4",
+                                        "tags": [
+                                          "product",
+                                          "demo",
+                                          "30s"
+                                        ],
+                                        "name": "Product Demo 30 Second",
+                                        "width": 1920,
+                                        "height": 1080,
+                                        "duration_seconds": 30,
+                                        "format": "mp4"
+                                      }
+                                    ],
+                                    "product_catalog": {
+                                      "feed_url": "https://acmecorp.com/products.xml",
+                                      "feed_format": "google_merchant_center",
+                                      "categories": [
+                                        "electronics/computers",
+                                        "electronics/accessories"
+                                      ],
+                                      "last_updated": "2024-03-15T10:00:00Z",
+                                      "update_frequency": "hourly"
+                                    },
+                                    "disclaimers": [
+                                      {
+                                        "text": "Results may vary. Consult a professional before use.",
+                                        "context": "health_claims",
+                                        "required": true
+                                      }
+                                    ],
+                                    "industry": "technology",
+                                    "target_audience": "business decision-makers aged 35-55"
+                                  }
+                                }
+                              ]
+                            },
+                            {
+                              "type": "string",
+                              "format": "uri",
+                              "description": "URL to a hosted brand manifest JSON file. The manifest at this URL must conform to the brand-manifest.json schema."
+                            }
+                          ],
+                          "examples": [
+                            {
+                              "description": "Inline brand manifest",
+                              "data": {
+                                "url": "https://acmecorp.com",
+                                "name": "ACME Corporation",
+                                "colors": {
+                                  "primary": "#FF6B35"
+                                }
+                              }
+                            },
+                            {
+                              "description": "URL string reference to hosted manifest",
+                              "data": "https://cdn.acmecorp.com/brand-manifest.json"
+                            }
+                          ]
+                        },
+                        "product_selectors": {
+                          "title": "Promoted Products",
+                          "description": "Selectors to choose which products/offerings from the brand manifest product catalog to promote",
+                          "type": "object",
+                          "properties": {
+                            "manifest_skus": {
+                              "type": "array",
+                              "description": "Direct product SKU references from the brand manifest product catalog",
+                              "items": {
+                                "type": "string"
+                              }
+                            },
+                            "manifest_tags": {
+                              "type": "array",
+                              "description": "Select products by tags from the brand manifest product catalog (e.g., 'organic', 'sauces', 'holiday')",
+                              "items": {
+                                "type": "string"
+                              }
+                            },
+                            "manifest_category": {
+                              "type": "string",
+                              "description": "Select products from a specific category in the brand manifest product catalog (e.g., 'beverages/soft-drinks', 'food/sauces')"
+                            },
+                            "manifest_query": {
+                              "type": "string",
+                              "description": "Natural language query to select products from the brand manifest (e.g., 'all Kraft Heinz pasta sauces', 'organic products under $20')"
+                            }
+                          },
+                          "additionalProperties": true,
+                          "examples": [
+                            {
+                              "description": "Direct SKU selection for specific products from brand manifest",
+                              "data": {
+                                "manifest_skus": [
+                                  "SKU-12345",
+                                  "SKU-67890"
+                                ]
+                              }
+                            },
+                            {
+                              "description": "UNION selection: products tagged 'organic' OR 'sauces' OR in 'food/condiments' category from brand manifest",
+                              "data": {
+                                "manifest_tags": [
+                                  "organic",
+                                  "sauces"
+                                ],
+                                "manifest_category": "food/condiments"
+                              }
+                            },
+                            {
+                              "description": "Natural language product selection from brand manifest",
+                              "data": {
+                                "manifest_query": "all Kraft Heinz pasta sauces under $5"
+                              }
+                            },
+                            {
+                              "description": "Select products by tags",
+                              "data": {
+                                "manifest_tags": [
+                                  "holiday"
+                                ]
+                              }
+                            }
+                          ]
+                        },
+                        "offerings": {
+                          "type": "array",
+                          "description": "Inline offerings for campaigns without a product catalog. Each offering has a name, description, and associated assets.",
+                          "items": {
+                            "type": "object",
+                            "properties": {
+                              "name": {
+                                "type": "string",
+                                "description": "Offering name (e.g., 'Winter Sale', 'New Product Launch')"
+                              },
+                              "description": {
+                                "type": "string",
+                                "description": "Description of what's being offered"
+                              },
+                              "assets": {
+                                "type": "array",
+                                "description": "Assets specific to this offering",
+                                "items": {
+                                  "type": "object",
+                                  "description": "Asset definition using standard asset structure",
+                                  "additionalProperties": true
+                                }
+                              }
+                            },
+                            "required": [
+                              "name"
+                            ],
+                            "additionalProperties": true
+                          }
+                        },
+                        "asset_selectors": {
+                          "type": "object",
+                          "description": "Selectors to choose specific assets from the brand manifest",
+                          "properties": {
+                            "tags": {
+                              "type": "array",
+                              "description": "Select assets with specific tags (e.g., ['holiday', 'premium'])",
+                              "items": {
+                                "type": "string"
+                              }
+                            },
+                            "asset_types": {
+                              "type": "array",
+                              "description": "Filter by asset type (e.g., ['image', 'video'])",
+                              "items": {
+                                "type": "string",
+                                "enum": [
+                                  "image",
+                                  "video",
+                                  "audio",
+                                  "vast",
+                                  "daast",
+                                  "text",
+                                  "url",
+                                  "html",
+                                  "css",
+                                  "javascript",
+                                  "webhook"
+                                ]
+                              }
+                            },
+                            "exclude_tags": {
+                              "type": "array",
+                              "description": "Exclude assets with these tags",
+                              "items": {
+                                "type": "string"
+                              }
+                            }
+                          },
+                          "additionalProperties": true
+                        }
+                      },
+                      "required": [
+                        "brand_manifest"
+                      ],
+                      "additionalProperties": true,
+                      "examples": [
+                        {
+                          "brand_manifest": {
+                            "name": "Brand Name",
+                            "url": "https://brand.com"
+                          },
+                          "product_selectors": {
+                            "manifest_skus": [
+                              "SKU-123",
+                              "SKU-456"
+                            ]
+                          },
+                          "asset_selectors": {
+                            "tags": [
+                              "holiday"
+                            ],
+                            "asset_types": [
+                              "image",
+                              "video"
+                            ]
+                          }
+                        }
+                      ]
+                    }
+                  ]
+                }
+              },
+              "additionalProperties": true
+            },
+            "ext": {
+              "title": "Extension Object",
+              "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+              "type": "object",
+              "additionalProperties": true
+            }
+          },
+          "required": [
+            "format_id",
+            "assets"
+          ],
+          "additionalProperties": true
+        },
+        "context": {
+          "title": "Context Object",
+          "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+          "type": "object",
+          "additionalProperties": true
+        },
+        "ext": {
+          "title": "Extension Object",
+          "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+          "type": "object",
+          "additionalProperties": true
+        }
+      },
+      "required": [
+        "creative_manifest"
+      ],
+      "additionalProperties": true,
+      "not": {
+        "required": [
+          "errors"
+        ]
+      }
+    },
+    {
+      "title": "BuildCreativeError",
+      "description": "Error response - creative generation failed",
+      "type": "object",
+      "properties": {
+        "errors": {
+          "type": "array",
+          "description": "Array of errors explaining why creative generation failed",
+          "items": {
+            "title": "Error",
+            "description": "Standard error structure for task-specific errors and warnings",
+            "type": "object",
+            "properties": {
+              "code": {
+                "type": "string",
+                "description": "Error code for programmatic handling"
+              },
+              "message": {
+                "type": "string",
+                "description": "Human-readable error message"
+              },
+              "field": {
+                "type": "string",
+                "description": "Field path associated with the error (e.g., 'packages[0].targeting')"
+              },
+              "suggestion": {
+                "type": "string",
+                "description": "Suggested fix for the error"
+              },
+              "retry_after": {
+                "type": "number",
+                "description": "Seconds to wait before retrying the operation",
+                "minimum": 0
+              },
+              "details": {
+                "type": "object",
+                "description": "Additional task-specific error details",
+                "additionalProperties": true
+              }
+            },
+            "required": [
+              "code",
+              "message"
+            ],
+            "additionalProperties": true
+          },
+          "minItems": 1
+        },
+        "context": {
+          "title": "Context Object",
+          "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+          "type": "object",
+          "additionalProperties": true
+        },
+        "ext": {
+          "title": "Extension Object",
+          "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+          "type": "object",
+          "additionalProperties": true
+        }
+      },
+      "required": [
+        "errors"
+      ],
+      "additionalProperties": true,
+      "not": {
+        "required": [
+          "creative_manifest"
+        ]
+      }
+    }
+  ],
+  "_bundled": {
+    "generatedAt": "2026-01-07T19:39:14.374Z",
+    "note": "This is a bundled schema with all $ref resolved inline. For the modular version with references, use the parent directory."
+  }
+}
\ No newline at end of file
diff --git a/dist/schemas/2.5.2/bundled/media-buy/create-media-buy-request.json b/dist/schemas/2.5.2/bundled/media-buy/create-media-buy-request.json
new file mode 100644
index 0000000000..69d65b93a3
--- /dev/null
+++ b/dist/schemas/2.5.2/bundled/media-buy/create-media-buy-request.json
@@ -0,0 +1,2015 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/bundled/media-buy/create-media-buy-request.json",
+  "title": "Create Media Buy Request",
+  "description": "Request parameters for creating a media buy",
+  "type": "object",
+  "properties": {
+    "buyer_ref": {
+      "type": "string",
+      "description": "Buyer's reference identifier for this media buy"
+    },
+    "packages": {
+      "type": "array",
+      "description": "Array of package configurations",
+      "items": {
+        "title": "Package Request",
+        "description": "Package configuration for media buy creation",
+        "type": "object",
+        "properties": {
+          "buyer_ref": {
+            "type": "string",
+            "description": "Buyer's reference identifier for this package"
+          },
+          "product_id": {
+            "type": "string",
+            "description": "Product ID for this package"
+          },
+          "format_ids": {
+            "type": "array",
+            "description": "Array of format IDs that will be used for this package - must be supported by the product. If omitted, defaults to all formats supported by the product.",
+            "items": {
+              "title": "Format ID",
+              "description": "Structured format identifier with agent URL and format name. Can reference: (1) a concrete format with fixed dimensions (id only), (2) a template format without parameters (id only), or (3) a template format with parameters (id + dimensions/duration). Template formats accept parameters in format_id while concrete formats have fixed dimensions in their definition. Parameterized format IDs create unique, specific format variants.",
+              "type": "object",
+              "properties": {
+                "agent_url": {
+                  "type": "string",
+                  "format": "uri",
+                  "description": "URL of the agent that defines this format (e.g., 'https://creatives.adcontextprotocol.org' for standard formats, or 'https://publisher.com/.well-known/adcp/sales' for custom formats)"
+                },
+                "id": {
+                  "type": "string",
+                  "pattern": "^[a-zA-Z0-9_-]+$",
+                  "description": "Format identifier within the agent's namespace (e.g., 'display_static', 'video_hosted', 'audio_standard'). When used alone, references a template format. When combined with dimension/duration fields, creates a parameterized format ID for a specific variant."
+                },
+                "width": {
+                  "type": "integer",
+                  "minimum": 1,
+                  "description": "Width in pixels for visual formats. When specified, height must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+                },
+                "height": {
+                  "type": "integer",
+                  "minimum": 1,
+                  "description": "Height in pixels for visual formats. When specified, width must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+                },
+                "duration_ms": {
+                  "type": "number",
+                  "minimum": 1,
+                  "description": "Duration in milliseconds for time-based formats (video, audio). When specified, creates a parameterized format ID. Omit to reference a template format without parameters."
+                }
+              },
+              "required": [
+                "agent_url",
+                "id"
+              ],
+              "additionalProperties": true,
+              "dependencies": {
+                "width": [
+                  "height"
+                ],
+                "height": [
+                  "width"
+                ]
+              }
+            },
+            "minItems": 1
+          },
+          "budget": {
+            "type": "number",
+            "description": "Budget allocation for this package in the media buy's currency",
+            "minimum": 0
+          },
+          "pacing": {
+            "title": "Pacing",
+            "description": "Budget pacing strategy",
+            "type": "string",
+            "enum": [
+              "even",
+              "asap",
+              "front_loaded"
+            ],
+            "enumDescriptions": {
+              "even": "Allocate remaining budget evenly over remaining campaign duration (default)",
+              "asap": "Spend remaining budget as quickly as possible",
+              "front_loaded": "Allocate more remaining budget earlier in the remaining campaign period"
+            }
+          },
+          "pricing_option_id": {
+            "type": "string",
+            "description": "ID of the selected pricing option from the product's pricing_options array"
+          },
+          "bid_price": {
+            "type": "number",
+            "description": "Bid price for auction-based CPM pricing (required if using cpm-auction-option)",
+            "minimum": 0
+          },
+          "targeting_overlay": {
+            "title": "Targeting Overlay",
+            "description": "Optional geographic refinements for media buys. Most targeting should be expressed in the brief and handled by the publisher. These fields are primarily for geographic restrictions (RCT testing, regulatory compliance).",
+            "type": "object",
+            "properties": {
+              "geo_country_any_of": {
+                "type": "array",
+                "description": "Restrict delivery to specific countries (ISO codes). Use for regulatory compliance or RCT testing.",
+                "items": {
+                  "type": "string",
+                  "pattern": "^[A-Z]{2}$"
+                }
+              },
+              "geo_region_any_of": {
+                "type": "array",
+                "description": "Restrict delivery to specific regions/states. Use for regulatory compliance or RCT testing.",
+                "items": {
+                  "type": "string"
+                }
+              },
+              "geo_metro_any_of": {
+                "type": "array",
+                "description": "Restrict delivery to specific metro areas (DMA codes). Use for regulatory compliance or RCT testing.",
+                "items": {
+                  "type": "string"
+                }
+              },
+              "geo_postal_code_any_of": {
+                "type": "array",
+                "description": "Restrict delivery to specific postal/ZIP codes. Use for regulatory compliance or RCT testing.",
+                "items": {
+                  "type": "string"
+                }
+              },
+              "axe_include_segment": {
+                "type": "string",
+                "description": "AXE segment ID to include for targeting"
+              },
+              "axe_exclude_segment": {
+                "type": "string",
+                "description": "AXE segment ID to exclude from targeting"
+              },
+              "frequency_cap": {
+                "title": "Frequency Cap",
+                "description": "Frequency capping settings for package-level application",
+                "type": "object",
+                "properties": {
+                  "suppress_minutes": {
+                    "type": "number",
+                    "description": "Minutes to suppress after impression",
+                    "minimum": 0
+                  }
+                },
+                "required": [
+                  "suppress_minutes"
+                ],
+                "additionalProperties": true
+              }
+            },
+            "additionalProperties": true
+          },
+          "creative_ids": {
+            "type": "array",
+            "description": "Creative IDs to assign to this package at creation time (references existing library creatives)",
+            "items": {
+              "type": "string"
+            }
+          },
+          "creatives": {
+            "type": "array",
+            "description": "Full creative objects to upload and assign to this package at creation time (alternative to creative_ids - creatives will be added to library). Supports both static and generative creatives.",
+            "items": {
+              "title": "Creative Asset",
+              "description": "Creative asset for upload to library - supports static assets, generative formats, and third-party snippets",
+              "type": "object",
+              "properties": {
+                "creative_id": {
+                  "type": "string",
+                  "description": "Unique identifier for the creative"
+                },
+                "name": {
+                  "type": "string",
+                  "description": "Human-readable creative name"
+                },
+                "format_id": {
+                  "title": "Format ID",
+                  "description": "Format identifier specifying which format this creative conforms to. Can be: (1) concrete format_id referencing a format with fixed dimensions, (2) template format_id referencing a template format, or (3) parameterized format_id with dimensions/duration parameters for template formats.",
+                  "type": "object",
+                  "properties": {
+                    "agent_url": {
+                      "type": "string",
+                      "format": "uri",
+                      "description": "URL of the agent that defines this format (e.g., 'https://creatives.adcontextprotocol.org' for standard formats, or 'https://publisher.com/.well-known/adcp/sales' for custom formats)"
+                    },
+                    "id": {
+                      "type": "string",
+                      "pattern": "^[a-zA-Z0-9_-]+$",
+                      "description": "Format identifier within the agent's namespace (e.g., 'display_static', 'video_hosted', 'audio_standard'). When used alone, references a template format. When combined with dimension/duration fields, creates a parameterized format ID for a specific variant."
+                    },
+                    "width": {
+                      "type": "integer",
+                      "minimum": 1,
+                      "description": "Width in pixels for visual formats. When specified, height must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+                    },
+                    "height": {
+                      "type": "integer",
+                      "minimum": 1,
+                      "description": "Height in pixels for visual formats. When specified, width must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+                    },
+                    "duration_ms": {
+                      "type": "number",
+                      "minimum": 1,
+                      "description": "Duration in milliseconds for time-based formats (video, audio). When specified, creates a parameterized format ID. Omit to reference a template format without parameters."
+                    }
+                  },
+                  "required": [
+                    "agent_url",
+                    "id"
+                  ],
+                  "additionalProperties": true,
+                  "dependencies": {
+                    "width": [
+                      "height"
+                    ],
+                    "height": [
+                      "width"
+                    ]
+                  }
+                },
+                "assets": {
+                  "type": "object",
+                  "description": "Assets required by the format, keyed by asset_role",
+                  "patternProperties": {
+                    "^[a-zA-Z0-9_-]+$": {
+                      "oneOf": [
+                        {
+                          "title": "Image Asset",
+                          "description": "Image asset with URL and dimensions",
+                          "type": "object",
+                          "properties": {
+                            "url": {
+                              "type": "string",
+                              "format": "uri",
+                              "description": "URL to the image asset"
+                            },
+                            "width": {
+                              "type": "integer",
+                              "minimum": 1,
+                              "description": "Width in pixels"
+                            },
+                            "height": {
+                              "type": "integer",
+                              "minimum": 1,
+                              "description": "Height in pixels"
+                            },
+                            "format": {
+                              "type": "string",
+                              "description": "Image file format (jpg, png, gif, webp, etc.)"
+                            },
+                            "alt_text": {
+                              "type": "string",
+                              "description": "Alternative text for accessibility"
+                            }
+                          },
+                          "required": [
+                            "url",
+                            "width",
+                            "height"
+                          ],
+                          "additionalProperties": true
+                        },
+                        {
+                          "title": "Video Asset",
+                          "description": "Video asset with URL and specifications",
+                          "type": "object",
+                          "properties": {
+                            "url": {
+                              "type": "string",
+                              "format": "uri",
+                              "description": "URL to the video asset"
+                            },
+                            "width": {
+                              "type": "integer",
+                              "minimum": 1,
+                              "description": "Width in pixels"
+                            },
+                            "height": {
+                              "type": "integer",
+                              "minimum": 1,
+                              "description": "Height in pixels"
+                            },
+                            "duration_ms": {
+                              "type": "integer",
+                              "description": "Video duration in milliseconds",
+                              "minimum": 1
+                            },
+                            "format": {
+                              "type": "string",
+                              "description": "Video file format (mp4, webm, mov, etc.)"
+                            },
+                            "bitrate_kbps": {
+                              "type": "integer",
+                              "description": "Video bitrate in kilobits per second",
+                              "minimum": 1
+                            }
+                          },
+                          "required": [
+                            "url",
+                            "width",
+                            "height"
+                          ],
+                          "additionalProperties": true
+                        },
+                        {
+                          "title": "Audio Asset",
+                          "description": "Audio asset with URL and specifications",
+                          "type": "object",
+                          "properties": {
+                            "url": {
+                              "type": "string",
+                              "format": "uri",
+                              "description": "URL to the audio asset"
+                            },
+                            "duration_ms": {
+                              "type": "integer",
+                              "description": "Audio duration in milliseconds",
+                              "minimum": 0
+                            },
+                            "format": {
+                              "type": "string",
+                              "description": "Audio file format (mp3, wav, aac, etc.)"
+                            },
+                            "bitrate_kbps": {
+                              "type": "integer",
+                              "description": "Audio bitrate in kilobits per second",
+                              "minimum": 1
+                            }
+                          },
+                          "required": [
+                            "url"
+                          ],
+                          "additionalProperties": true
+                        },
+                        {
+                          "title": "Text Asset",
+                          "description": "Text content asset",
+                          "type": "object",
+                          "properties": {
+                            "content": {
+                              "type": "string",
+                              "description": "Text content"
+                            },
+                            "language": {
+                              "type": "string",
+                              "description": "Language code (e.g., 'en', 'es', 'fr')"
+                            }
+                          },
+                          "required": [
+                            "content"
+                          ],
+                          "additionalProperties": true
+                        },
+                        {
+                          "title": "HTML Asset",
+                          "description": "HTML content asset",
+                          "type": "object",
+                          "properties": {
+                            "content": {
+                              "type": "string",
+                              "description": "HTML content"
+                            },
+                            "version": {
+                              "type": "string",
+                              "description": "HTML version (e.g., 'HTML5')"
+                            }
+                          },
+                          "required": [
+                            "content"
+                          ],
+                          "additionalProperties": true
+                        },
+                        {
+                          "title": "CSS Asset",
+                          "description": "CSS stylesheet asset",
+                          "type": "object",
+                          "properties": {
+                            "content": {
+                              "type": "string",
+                              "description": "CSS content"
+                            },
+                            "media": {
+                              "type": "string",
+                              "description": "CSS media query context (e.g., 'screen', 'print')"
+                            }
+                          },
+                          "required": [
+                            "content"
+                          ],
+                          "additionalProperties": true
+                        },
+                        {
+                          "title": "JavaScript Asset",
+                          "description": "JavaScript code asset",
+                          "type": "object",
+                          "properties": {
+                            "content": {
+                              "type": "string",
+                              "description": "JavaScript content"
+                            },
+                            "module_type": {
+                              "title": "JavaScript Module Type",
+                              "description": "JavaScript module type",
+                              "type": "string",
+                              "enum": [
+                                "esm",
+                                "commonjs",
+                                "script"
+                              ]
+                            }
+                          },
+                          "required": [
+                            "content"
+                          ],
+                          "additionalProperties": true
+                        },
+                        {
+                          "title": "VAST Asset",
+                          "description": "VAST (Video Ad Serving Template) tag for third-party video ad serving",
+                          "oneOf": [
+                            {
+                              "type": "object",
+                              "properties": {
+                                "delivery_type": {
+                                  "type": "string",
+                                  "const": "url",
+                                  "description": "Discriminator indicating VAST is delivered via URL endpoint"
+                                },
+                                "url": {
+                                  "type": "string",
+                                  "format": "uri",
+                                  "description": "URL endpoint that returns VAST XML"
+                                },
+                                "vast_version": {
+                                  "title": "VAST Version",
+                                  "description": "VAST specification version",
+                                  "type": "string",
+                                  "enum": [
+                                    "2.0",
+                                    "3.0",
+                                    "4.0",
+                                    "4.1",
+                                    "4.2"
+                                  ]
+                                },
+                                "vpaid_enabled": {
+                                  "type": "boolean",
+                                  "description": "Whether VPAID (Video Player-Ad Interface Definition) is supported"
+                                },
+                                "duration_ms": {
+                                  "type": "integer",
+                                  "description": "Expected video duration in milliseconds (if known)",
+                                  "minimum": 0
+                                },
+                                "tracking_events": {
+                                  "type": "array",
+                                  "items": {
+                                    "title": "VAST Tracking Event",
+                                    "description": "Standard VAST tracking events for video ad playback and interaction",
+                                    "type": "string",
+                                    "enum": [
+                                      "start",
+                                      "firstQuartile",
+                                      "midpoint",
+                                      "thirdQuartile",
+                                      "complete",
+                                      "impression",
+                                      "click",
+                                      "pause",
+                                      "resume",
+                                      "skip",
+                                      "mute",
+                                      "unmute",
+                                      "fullscreen",
+                                      "exitFullscreen",
+                                      "playerExpand",
+                                      "playerCollapse"
+                                    ]
+                                  },
+                                  "description": "Tracking events supported by this VAST tag"
+                                }
+                              },
+                              "required": [
+                                "delivery_type",
+                                "url"
+                              ],
+                              "additionalProperties": true
+                            },
+                            {
+                              "type": "object",
+                              "properties": {
+                                "delivery_type": {
+                                  "type": "string",
+                                  "const": "inline",
+                                  "description": "Discriminator indicating VAST is delivered as inline XML content"
+                                },
+                                "content": {
+                                  "type": "string",
+                                  "description": "Inline VAST XML content"
+                                },
+                                "vast_version": {
+                                  "title": "VAST Version",
+                                  "description": "VAST specification version",
+                                  "type": "string",
+                                  "enum": [
+                                    "2.0",
+                                    "3.0",
+                                    "4.0",
+                                    "4.1",
+                                    "4.2"
+                                  ]
+                                },
+                                "vpaid_enabled": {
+                                  "type": "boolean",
+                                  "description": "Whether VPAID (Video Player-Ad Interface Definition) is supported"
+                                },
+                                "duration_ms": {
+                                  "type": "integer",
+                                  "description": "Expected video duration in milliseconds (if known)",
+                                  "minimum": 0
+                                },
+                                "tracking_events": {
+                                  "type": "array",
+                                  "items": {
+                                    "title": "VAST Tracking Event",
+                                    "description": "Standard VAST tracking events for video ad playback and interaction",
+                                    "type": "string",
+                                    "enum": [
+                                      "start",
+                                      "firstQuartile",
+                                      "midpoint",
+                                      "thirdQuartile",
+                                      "complete",
+                                      "impression",
+                                      "click",
+                                      "pause",
+                                      "resume",
+                                      "skip",
+                                      "mute",
+                                      "unmute",
+                                      "fullscreen",
+                                      "exitFullscreen",
+                                      "playerExpand",
+                                      "playerCollapse"
+                                    ]
+                                  },
+                                  "description": "Tracking events supported by this VAST tag"
+                                }
+                              },
+                              "required": [
+                                "delivery_type",
+                                "content"
+                              ],
+                              "additionalProperties": true
+                            }
+                          ]
+                        },
+                        {
+                          "title": "DAAST Asset",
+                          "description": "DAAST (Digital Audio Ad Serving Template) tag for third-party audio ad serving",
+                          "oneOf": [
+                            {
+                              "type": "object",
+                              "properties": {
+                                "delivery_type": {
+                                  "type": "string",
+                                  "const": "url",
+                                  "description": "Discriminator indicating DAAST is delivered via URL endpoint"
+                                },
+                                "url": {
+                                  "type": "string",
+                                  "format": "uri",
+                                  "description": "URL endpoint that returns DAAST XML"
+                                },
+                                "daast_version": {
+                                  "title": "DAAST Version",
+                                  "description": "DAAST specification version",
+                                  "type": "string",
+                                  "enum": [
+                                    "1.0",
+                                    "1.1"
+                                  ]
+                                },
+                                "duration_ms": {
+                                  "type": "integer",
+                                  "description": "Expected audio duration in milliseconds (if known)",
+                                  "minimum": 0
+                                },
+                                "tracking_events": {
+                                  "type": "array",
+                                  "items": {
+                                    "title": "DAAST Tracking Event",
+                                    "description": "Standard DAAST tracking events for audio ad playback and interaction",
+                                    "type": "string",
+                                    "enum": [
+                                      "start",
+                                      "firstQuartile",
+                                      "midpoint",
+                                      "thirdQuartile",
+                                      "complete",
+                                      "impression",
+                                      "pause",
+                                      "resume",
+                                      "skip",
+                                      "mute",
+                                      "unmute"
+                                    ]
+                                  },
+                                  "description": "Tracking events supported by this DAAST tag"
+                                },
+                                "companion_ads": {
+                                  "type": "boolean",
+                                  "description": "Whether companion display ads are included"
+                                }
+                              },
+                              "required": [
+                                "delivery_type",
+                                "url"
+                              ],
+                              "additionalProperties": true
+                            },
+                            {
+                              "type": "object",
+                              "properties": {
+                                "delivery_type": {
+                                  "type": "string",
+                                  "const": "inline",
+                                  "description": "Discriminator indicating DAAST is delivered as inline XML content"
+                                },
+                                "content": {
+                                  "type": "string",
+                                  "description": "Inline DAAST XML content"
+                                },
+                                "daast_version": {
+                                  "title": "DAAST Version",
+                                  "description": "DAAST specification version",
+                                  "type": "string",
+                                  "enum": [
+                                    "1.0",
+                                    "1.1"
+                                  ]
+                                },
+                                "duration_ms": {
+                                  "type": "integer",
+                                  "description": "Expected audio duration in milliseconds (if known)",
+                                  "minimum": 0
+                                },
+                                "tracking_events": {
+                                  "type": "array",
+                                  "items": {
+                                    "title": "DAAST Tracking Event",
+                                    "description": "Standard DAAST tracking events for audio ad playback and interaction",
+                                    "type": "string",
+                                    "enum": [
+                                      "start",
+                                      "firstQuartile",
+                                      "midpoint",
+                                      "thirdQuartile",
+                                      "complete",
+                                      "impression",
+                                      "pause",
+                                      "resume",
+                                      "skip",
+                                      "mute",
+                                      "unmute"
+                                    ]
+                                  },
+                                  "description": "Tracking events supported by this DAAST tag"
+                                },
+                                "companion_ads": {
+                                  "type": "boolean",
+                                  "description": "Whether companion display ads are included"
+                                }
+                              },
+                              "required": [
+                                "delivery_type",
+                                "content"
+                              ],
+                              "additionalProperties": true
+                            }
+                          ]
+                        },
+                        {
+                          "title": "Promoted Offerings",
+                          "description": "Complete offering specification combining brand manifest, product selectors, and asset filters. Provides all context needed for creative generation about what is being promoted.",
+                          "type": "object",
+                          "properties": {
+                            "brand_manifest": {
+                              "title": "Brand Manifest Reference",
+                              "description": "Brand information manifest containing assets, themes, and guidelines. Can be provided inline or as a URL reference to a hosted manifest.",
+                              "oneOf": [
+                                {
+                                  "title": "Brand Manifest",
+                                  "description": "Inline brand manifest object",
+                                  "type": "object",
+                                  "properties": {
+                                    "url": {
+                                      "type": "string",
+                                      "format": "uri",
+                                      "description": "Primary brand URL for context and asset discovery. Creative agents can infer brand information from this URL."
+                                    },
+                                    "name": {
+                                      "type": "string",
+                                      "description": "Brand or business name"
+                                    },
+                                    "logos": {
+                                      "type": "array",
+                                      "description": "Brand logo assets with semantic tags for different use cases",
+                                      "items": {
+                                        "type": "object",
+                                        "properties": {
+                                          "url": {
+                                            "type": "string",
+                                            "format": "uri",
+                                            "description": "URL to the logo asset"
+                                          },
+                                          "tags": {
+                                            "type": "array",
+                                            "description": "Semantic tags describing the logo variant (e.g., 'dark', 'light', 'square', 'horizontal', 'icon')",
+                                            "items": {
+                                              "type": "string"
+                                            }
+                                          },
+                                          "width": {
+                                            "type": "integer",
+                                            "description": "Logo width in pixels"
+                                          },
+                                          "height": {
+                                            "type": "integer",
+                                            "description": "Logo height in pixels"
+                                          }
+                                        },
+                                        "required": [
+                                          "url"
+                                        ]
+                                      }
+                                    },
+                                    "colors": {
+                                      "type": "object",
+                                      "description": "Brand color palette",
+                                      "properties": {
+                                        "primary": {
+                                          "type": "string",
+                                          "pattern": "^#[0-9A-Fa-f]{6}$",
+                                          "description": "Primary brand color (hex format)"
+                                        },
+                                        "secondary": {
+                                          "type": "string",
+                                          "pattern": "^#[0-9A-Fa-f]{6}$",
+                                          "description": "Secondary brand color (hex format)"
+                                        },
+                                        "accent": {
+                                          "type": "string",
+                                          "pattern": "^#[0-9A-Fa-f]{6}$",
+                                          "description": "Accent color (hex format)"
+                                        },
+                                        "background": {
+                                          "type": "string",
+                                          "pattern": "^#[0-9A-Fa-f]{6}$",
+                                          "description": "Background color (hex format)"
+                                        },
+                                        "text": {
+                                          "type": "string",
+                                          "pattern": "^#[0-9A-Fa-f]{6}$",
+                                          "description": "Text color (hex format)"
+                                        }
+                                      }
+                                    },
+                                    "fonts": {
+                                      "type": "object",
+                                      "description": "Brand typography guidelines",
+                                      "properties": {
+                                        "primary": {
+                                          "type": "string",
+                                          "description": "Primary font family name"
+                                        },
+                                        "secondary": {
+                                          "type": "string",
+                                          "description": "Secondary font family name"
+                                        },
+                                        "font_urls": {
+                                          "type": "array",
+                                          "description": "URLs to web font files if using custom fonts",
+                                          "items": {
+                                            "type": "string",
+                                            "format": "uri"
+                                          }
+                                        }
+                                      }
+                                    },
+                                    "tone": {
+                                      "type": "string",
+                                      "description": "Brand voice and messaging tone (e.g., 'professional', 'casual', 'humorous', 'trustworthy', 'innovative')"
+                                    },
+                                    "tagline": {
+                                      "type": "string",
+                                      "description": "Brand tagline or slogan"
+                                    },
+                                    "assets": {
+                                      "type": "array",
+                                      "description": "Brand asset library with explicit assets and tags. Assets are referenced inline with URLs pointing to CDN-hosted files.",
+                                      "items": {
+                                        "type": "object",
+                                        "properties": {
+                                          "asset_id": {
+                                            "type": "string",
+                                            "description": "Unique identifier for this asset"
+                                          },
+                                          "asset_type": {
+                                            "title": "Asset Content Type",
+                                            "description": "Type of asset. Note: Brand manifests typically contain basic media assets (image, video, audio, text). Code assets (html, javascript, css) and ad markup (vast, daast) are usually not part of brand asset libraries.",
+                                            "type": "string",
+                                            "enum": [
+                                              "image",
+                                              "video",
+                                              "audio",
+                                              "text",
+                                              "markdown",
+                                              "html",
+                                              "css",
+                                              "javascript",
+                                              "vast",
+                                              "daast",
+                                              "promoted_offerings",
+                                              "url",
+                                              "webhook"
+                                            ]
+                                          },
+                                          "url": {
+                                            "type": "string",
+                                            "format": "uri",
+                                            "description": "URL to CDN-hosted asset file"
+                                          },
+                                          "tags": {
+                                            "type": "array",
+                                            "description": "Tags for asset discovery (e.g., 'holiday', 'lifestyle', 'product_shot')",
+                                            "items": {
+                                              "type": "string"
+                                            }
+                                          },
+                                          "name": {
+                                            "type": "string",
+                                            "description": "Human-readable asset name"
+                                          },
+                                          "description": {
+                                            "type": "string",
+                                            "description": "Asset description or usage notes"
+                                          },
+                                          "width": {
+                                            "type": "integer",
+                                            "description": "Image/video width in pixels"
+                                          },
+                                          "height": {
+                                            "type": "integer",
+                                            "description": "Image/video height in pixels"
+                                          },
+                                          "duration_seconds": {
+                                            "type": "number",
+                                            "description": "Video/audio duration in seconds"
+                                          },
+                                          "file_size_bytes": {
+                                            "type": "integer",
+                                            "description": "File size in bytes"
+                                          },
+                                          "format": {
+                                            "type": "string",
+                                            "description": "File format (e.g., 'jpg', 'mp4', 'mp3')"
+                                          },
+                                          "metadata": {
+                                            "type": "object",
+                                            "description": "Additional asset-specific metadata",
+                                            "additionalProperties": true
+                                          }
+                                        },
+                                        "required": [
+                                          "asset_id",
+                                          "asset_type",
+                                          "url"
+                                        ],
+                                        "additionalProperties": true
+                                      }
+                                    },
+                                    "product_catalog": {
+                                      "type": "object",
+                                      "description": "Product catalog information for e-commerce advertisers. Enables SKU-level creative generation and product selection.",
+                                      "properties": {
+                                        "feed_url": {
+                                          "type": "string",
+                                          "format": "uri",
+                                          "description": "URL to product catalog feed"
+                                        },
+                                        "feed_format": {
+                                          "type": "string",
+                                          "enum": [
+                                            "google_merchant_center",
+                                            "facebook_catalog",
+                                            "custom"
+                                          ],
+                                          "default": "google_merchant_center",
+                                          "description": "Format of the product feed"
+                                        },
+                                        "categories": {
+                                          "type": "array",
+                                          "description": "Product categories available in the catalog (for filtering)",
+                                          "items": {
+                                            "type": "string"
+                                          }
+                                        },
+                                        "last_updated": {
+                                          "type": "string",
+                                          "format": "date-time",
+                                          "description": "When the product catalog was last updated"
+                                        },
+                                        "update_frequency": {
+                                          "type": "string",
+                                          "enum": [
+                                            "realtime",
+                                            "hourly",
+                                            "daily",
+                                            "weekly"
+                                          ],
+                                          "description": "How frequently the product catalog is updated"
+                                        }
+                                      },
+                                      "required": [
+                                        "feed_url"
+                                      ],
+                                      "additionalProperties": true
+                                    },
+                                    "disclaimers": {
+                                      "type": "array",
+                                      "description": "Legal disclaimers or required text that must appear in creatives",
+                                      "items": {
+                                        "type": "object",
+                                        "properties": {
+                                          "text": {
+                                            "type": "string",
+                                            "description": "Disclaimer text"
+                                          },
+                                          "context": {
+                                            "type": "string",
+                                            "description": "When this disclaimer applies (e.g., 'financial_products', 'health_claims', 'all')"
+                                          },
+                                          "required": {
+                                            "type": "boolean",
+                                            "description": "Whether this disclaimer must appear",
+                                            "default": true
+                                          }
+                                        },
+                                        "required": [
+                                          "text"
+                                        ]
+                                      }
+                                    },
+                                    "industry": {
+                                      "type": "string",
+                                      "description": "Industry or vertical (e.g., 'retail', 'automotive', 'finance', 'healthcare')"
+                                    },
+                                    "target_audience": {
+                                      "type": "string",
+                                      "description": "Primary target audience description"
+                                    },
+                                    "contact": {
+                                      "type": "object",
+                                      "description": "Brand contact information",
+                                      "properties": {
+                                        "email": {
+                                          "type": "string",
+                                          "format": "email",
+                                          "description": "Contact email"
+                                        },
+                                        "phone": {
+                                          "type": "string",
+                                          "description": "Contact phone number"
+                                        }
+                                      }
+                                    },
+                                    "metadata": {
+                                      "type": "object",
+                                      "description": "Additional brand metadata",
+                                      "properties": {
+                                        "created_date": {
+                                          "type": "string",
+                                          "format": "date-time",
+                                          "description": "When this brand manifest was created"
+                                        },
+                                        "updated_date": {
+                                          "type": "string",
+                                          "format": "date-time",
+                                          "description": "When this brand manifest was last updated"
+                                        },
+                                        "version": {
+                                          "type": "string",
+                                          "description": "Brand card version number"
+                                        }
+                                      }
+                                    }
+                                  },
+                                  "required": [
+                                    "name"
+                                  ],
+                                  "additionalProperties": true,
+                                  "examples": [
+                                    {
+                                      "description": "Example with both URL and name",
+                                      "data": {
+                                        "url": "https://bobsfunburgers.com",
+                                        "name": "Bob's Fun Burgers"
+                                      }
+                                    },
+                                    {
+                                      "description": "Example: white-label brand without dedicated URL",
+                                      "data": {
+                                        "name": "Great Value",
+                                        "colors": {
+                                          "primary": "#0071CE",
+                                          "secondary": "#FFC220"
+                                        },
+                                        "tone": "affordable and trustworthy"
+                                      }
+                                    },
+                                    {
+                                      "description": "Full brand manifest with all fields",
+                                      "data": {
+                                        "url": "https://acmecorp.com",
+                                        "name": "ACME Corporation",
+                                        "logos": [
+                                          {
+                                            "url": "https://cdn.acmecorp.com/logo-square-dark.png",
+                                            "tags": [
+                                              "dark",
+                                              "square"
+                                            ],
+                                            "width": 512,
+                                            "height": 512
+                                          },
+                                          {
+                                            "url": "https://cdn.acmecorp.com/logo-horizontal-light.png",
+                                            "tags": [
+                                              "light",
+                                              "horizontal"
+                                            ],
+                                            "width": 1200,
+                                            "height": 400
+                                          }
+                                        ],
+                                        "colors": {
+                                          "primary": "#FF6B35",
+                                          "secondary": "#004E89",
+                                          "accent": "#F7931E",
+                                          "background": "#FFFFFF",
+                                          "text": "#1A1A1A"
+                                        },
+                                        "fonts": {
+                                          "primary": "Helvetica Neue",
+                                          "secondary": "Georgia"
+                                        },
+                                        "tone": "professional and trustworthy",
+                                        "tagline": "Innovation You Can Trust",
+                                        "assets": [
+                                          {
+                                            "asset_id": "hero_winter_2024",
+                                            "asset_type": "image",
+                                            "url": "https://cdn.acmecorp.com/hero-winter-2024.jpg",
+                                            "tags": [
+                                              "hero",
+                                              "winter",
+                                              "holiday",
+                                              "lifestyle"
+                                            ],
+                                            "name": "Winter Campaign Hero",
+                                            "width": 1920,
+                                            "height": 1080,
+                                            "format": "jpg"
+                                          },
+                                          {
+                                            "asset_id": "product_video_30s",
+                                            "asset_type": "video",
+                                            "url": "https://cdn.acmecorp.com/product-demo-30s.mp4",
+                                            "tags": [
+                                              "product",
+                                              "demo",
+                                              "30s"
+                                            ],
+                                            "name": "Product Demo 30 Second",
+                                            "width": 1920,
+                                            "height": 1080,
+                                            "duration_seconds": 30,
+                                            "format": "mp4"
+                                          }
+                                        ],
+                                        "product_catalog": {
+                                          "feed_url": "https://acmecorp.com/products.xml",
+                                          "feed_format": "google_merchant_center",
+                                          "categories": [
+                                            "electronics/computers",
+                                            "electronics/accessories"
+                                          ],
+                                          "last_updated": "2024-03-15T10:00:00Z",
+                                          "update_frequency": "hourly"
+                                        },
+                                        "disclaimers": [
+                                          {
+                                            "text": "Results may vary. Consult a professional before use.",
+                                            "context": "health_claims",
+                                            "required": true
+                                          }
+                                        ],
+                                        "industry": "technology",
+                                        "target_audience": "business decision-makers aged 35-55"
+                                      }
+                                    }
+                                  ]
+                                },
+                                {
+                                  "type": "string",
+                                  "format": "uri",
+                                  "description": "URL to a hosted brand manifest JSON file. The manifest at this URL must conform to the brand-manifest.json schema."
+                                }
+                              ],
+                              "examples": [
+                                {
+                                  "description": "Inline brand manifest",
+                                  "data": {
+                                    "url": "https://acmecorp.com",
+                                    "name": "ACME Corporation",
+                                    "colors": {
+                                      "primary": "#FF6B35"
+                                    }
+                                  }
+                                },
+                                {
+                                  "description": "URL string reference to hosted manifest",
+                                  "data": "https://cdn.acmecorp.com/brand-manifest.json"
+                                }
+                              ]
+                            },
+                            "product_selectors": {
+                              "title": "Promoted Products",
+                              "description": "Selectors to choose which products/offerings from the brand manifest product catalog to promote",
+                              "type": "object",
+                              "properties": {
+                                "manifest_skus": {
+                                  "type": "array",
+                                  "description": "Direct product SKU references from the brand manifest product catalog",
+                                  "items": {
+                                    "type": "string"
+                                  }
+                                },
+                                "manifest_tags": {
+                                  "type": "array",
+                                  "description": "Select products by tags from the brand manifest product catalog (e.g., 'organic', 'sauces', 'holiday')",
+                                  "items": {
+                                    "type": "string"
+                                  }
+                                },
+                                "manifest_category": {
+                                  "type": "string",
+                                  "description": "Select products from a specific category in the brand manifest product catalog (e.g., 'beverages/soft-drinks', 'food/sauces')"
+                                },
+                                "manifest_query": {
+                                  "type": "string",
+                                  "description": "Natural language query to select products from the brand manifest (e.g., 'all Kraft Heinz pasta sauces', 'organic products under $20')"
+                                }
+                              },
+                              "additionalProperties": true,
+                              "examples": [
+                                {
+                                  "description": "Direct SKU selection for specific products from brand manifest",
+                                  "data": {
+                                    "manifest_skus": [
+                                      "SKU-12345",
+                                      "SKU-67890"
+                                    ]
+                                  }
+                                },
+                                {
+                                  "description": "UNION selection: products tagged 'organic' OR 'sauces' OR in 'food/condiments' category from brand manifest",
+                                  "data": {
+                                    "manifest_tags": [
+                                      "organic",
+                                      "sauces"
+                                    ],
+                                    "manifest_category": "food/condiments"
+                                  }
+                                },
+                                {
+                                  "description": "Natural language product selection from brand manifest",
+                                  "data": {
+                                    "manifest_query": "all Kraft Heinz pasta sauces under $5"
+                                  }
+                                },
+                                {
+                                  "description": "Select products by tags",
+                                  "data": {
+                                    "manifest_tags": [
+                                      "holiday"
+                                    ]
+                                  }
+                                }
+                              ]
+                            },
+                            "offerings": {
+                              "type": "array",
+                              "description": "Inline offerings for campaigns without a product catalog. Each offering has a name, description, and associated assets.",
+                              "items": {
+                                "type": "object",
+                                "properties": {
+                                  "name": {
+                                    "type": "string",
+                                    "description": "Offering name (e.g., 'Winter Sale', 'New Product Launch')"
+                                  },
+                                  "description": {
+                                    "type": "string",
+                                    "description": "Description of what's being offered"
+                                  },
+                                  "assets": {
+                                    "type": "array",
+                                    "description": "Assets specific to this offering",
+                                    "items": {
+                                      "type": "object",
+                                      "description": "Asset definition using standard asset structure",
+                                      "additionalProperties": true
+                                    }
+                                  }
+                                },
+                                "required": [
+                                  "name"
+                                ],
+                                "additionalProperties": true
+                              }
+                            },
+                            "asset_selectors": {
+                              "type": "object",
+                              "description": "Selectors to choose specific assets from the brand manifest",
+                              "properties": {
+                                "tags": {
+                                  "type": "array",
+                                  "description": "Select assets with specific tags (e.g., ['holiday', 'premium'])",
+                                  "items": {
+                                    "type": "string"
+                                  }
+                                },
+                                "asset_types": {
+                                  "type": "array",
+                                  "description": "Filter by asset type (e.g., ['image', 'video'])",
+                                  "items": {
+                                    "type": "string",
+                                    "enum": [
+                                      "image",
+                                      "video",
+                                      "audio",
+                                      "vast",
+                                      "daast",
+                                      "text",
+                                      "url",
+                                      "html",
+                                      "css",
+                                      "javascript",
+                                      "webhook"
+                                    ]
+                                  }
+                                },
+                                "exclude_tags": {
+                                  "type": "array",
+                                  "description": "Exclude assets with these tags",
+                                  "items": {
+                                    "type": "string"
+                                  }
+                                }
+                              },
+                              "additionalProperties": true
+                            }
+                          },
+                          "required": [
+                            "brand_manifest"
+                          ],
+                          "additionalProperties": true,
+                          "examples": [
+                            {
+                              "brand_manifest": {
+                                "name": "Brand Name",
+                                "url": "https://brand.com"
+                              },
+                              "product_selectors": {
+                                "manifest_skus": [
+                                  "SKU-123",
+                                  "SKU-456"
+                                ]
+                              },
+                              "asset_selectors": {
+                                "tags": [
+                                  "holiday"
+                                ],
+                                "asset_types": [
+                                  "image",
+                                  "video"
+                                ]
+                              }
+                            }
+                          ]
+                        },
+                        {
+                          "title": "URL Asset",
+                          "description": "URL reference asset",
+                          "type": "object",
+                          "properties": {
+                            "url": {
+                              "type": "string",
+                              "format": "uri",
+                              "description": "URL reference"
+                            },
+                            "url_type": {
+                              "title": "URL Asset Type",
+                              "description": "Type of URL asset: 'clickthrough' for user click destination (landing page), 'tracker_pixel' for impression/event tracking via HTTP request (fires GET, expects pixel/204 response), 'tracker_script' for measurement SDKs that must load as <script> tag (OMID verification, native event trackers using method:2)",
+                              "type": "string",
+                              "enum": [
+                                "clickthrough",
+                                "tracker_pixel",
+                                "tracker_script"
+                              ]
+                            },
+                            "description": {
+                              "type": "string",
+                              "description": "Description of what this URL points to"
+                            }
+                          },
+                          "required": [
+                            "url"
+                          ],
+                          "additionalProperties": true
+                        }
+                      ]
+                    }
+                  },
+                  "additionalProperties": true
+                },
+                "inputs": {
+                  "type": "array",
+                  "description": "Preview contexts for generative formats - defines what scenarios to generate previews for",
+                  "items": {
+                    "type": "object",
+                    "properties": {
+                      "name": {
+                        "type": "string",
+                        "description": "Human-readable name for this preview variant"
+                      },
+                      "macros": {
+                        "type": "object",
+                        "description": "Macro values to apply for this preview",
+                        "additionalProperties": {
+                          "type": "string"
+                        }
+                      },
+                      "context_description": {
+                        "type": "string",
+                        "description": "Natural language description of the context for AI-generated content"
+                      }
+                    },
+                    "required": [
+                      "name"
+                    ],
+                    "additionalProperties": true
+                  }
+                },
+                "tags": {
+                  "type": "array",
+                  "description": "User-defined tags for organization and searchability",
+                  "items": {
+                    "type": "string"
+                  }
+                },
+                "approved": {
+                  "type": "boolean",
+                  "description": "For generative creatives: set to true to approve and finalize, false to request regeneration with updated assets/message. Omit for non-generative creatives."
+                },
+                "weight": {
+                  "type": "number",
+                  "description": "Optional delivery weight for creative rotation when uploading via create_media_buy or update_media_buy (0-100). If omitted, platform determines rotation. Only used during upload to media buy - not stored in creative library.",
+                  "minimum": 0,
+                  "maximum": 100
+                },
+                "placement_ids": {
+                  "type": "array",
+                  "description": "Optional array of placement IDs where this creative should run when uploading via create_media_buy or update_media_buy. References placement_id values from the product's placements array. If omitted, creative runs on all placements. Only used during upload to media buy - not stored in creative library.",
+                  "items": {
+                    "type": "string"
+                  },
+                  "minItems": 1
+                }
+              },
+              "required": [
+                "creative_id",
+                "name",
+                "format_id",
+                "assets"
+              ],
+              "additionalProperties": true
+            },
+            "maxItems": 100
+          },
+          "ext": {
+            "title": "Extension Object",
+            "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+            "type": "object",
+            "additionalProperties": true
+          }
+        },
+        "required": [
+          "buyer_ref",
+          "product_id",
+          "budget",
+          "pricing_option_id"
+        ],
+        "additionalProperties": true
+      }
+    },
+    "brand_manifest": {
+      "title": "Brand Manifest Reference",
+      "description": "Brand information manifest serving as the namespace and identity for this media buy. Provides brand context, assets, and product catalog. Can be provided inline or as a URL reference to a hosted manifest. Can be cached and reused across multiple requests.",
+      "oneOf": [
+        {
+          "title": "Brand Manifest",
+          "description": "Inline brand manifest object",
+          "type": "object",
+          "properties": {
+            "url": {
+              "type": "string",
+              "format": "uri",
+              "description": "Primary brand URL for context and asset discovery. Creative agents can infer brand information from this URL."
+            },
+            "name": {
+              "type": "string",
+              "description": "Brand or business name"
+            },
+            "logos": {
+              "type": "array",
+              "description": "Brand logo assets with semantic tags for different use cases",
+              "items": {
+                "type": "object",
+                "properties": {
+                  "url": {
+                    "type": "string",
+                    "format": "uri",
+                    "description": "URL to the logo asset"
+                  },
+                  "tags": {
+                    "type": "array",
+                    "description": "Semantic tags describing the logo variant (e.g., 'dark', 'light', 'square', 'horizontal', 'icon')",
+                    "items": {
+                      "type": "string"
+                    }
+                  },
+                  "width": {
+                    "type": "integer",
+                    "description": "Logo width in pixels"
+                  },
+                  "height": {
+                    "type": "integer",
+                    "description": "Logo height in pixels"
+                  }
+                },
+                "required": [
+                  "url"
+                ]
+              }
+            },
+            "colors": {
+              "type": "object",
+              "description": "Brand color palette",
+              "properties": {
+                "primary": {
+                  "type": "string",
+                  "pattern": "^#[0-9A-Fa-f]{6}$",
+                  "description": "Primary brand color (hex format)"
+                },
+                "secondary": {
+                  "type": "string",
+                  "pattern": "^#[0-9A-Fa-f]{6}$",
+                  "description": "Secondary brand color (hex format)"
+                },
+                "accent": {
+                  "type": "string",
+                  "pattern": "^#[0-9A-Fa-f]{6}$",
+                  "description": "Accent color (hex format)"
+                },
+                "background": {
+                  "type": "string",
+                  "pattern": "^#[0-9A-Fa-f]{6}$",
+                  "description": "Background color (hex format)"
+                },
+                "text": {
+                  "type": "string",
+                  "pattern": "^#[0-9A-Fa-f]{6}$",
+                  "description": "Text color (hex format)"
+                }
+              }
+            },
+            "fonts": {
+              "type": "object",
+              "description": "Brand typography guidelines",
+              "properties": {
+                "primary": {
+                  "type": "string",
+                  "description": "Primary font family name"
+                },
+                "secondary": {
+                  "type": "string",
+                  "description": "Secondary font family name"
+                },
+                "font_urls": {
+                  "type": "array",
+                  "description": "URLs to web font files if using custom fonts",
+                  "items": {
+                    "type": "string",
+                    "format": "uri"
+                  }
+                }
+              }
+            },
+            "tone": {
+              "type": "string",
+              "description": "Brand voice and messaging tone (e.g., 'professional', 'casual', 'humorous', 'trustworthy', 'innovative')"
+            },
+            "tagline": {
+              "type": "string",
+              "description": "Brand tagline or slogan"
+            },
+            "assets": {
+              "type": "array",
+              "description": "Brand asset library with explicit assets and tags. Assets are referenced inline with URLs pointing to CDN-hosted files.",
+              "items": {
+                "type": "object",
+                "properties": {
+                  "asset_id": {
+                    "type": "string",
+                    "description": "Unique identifier for this asset"
+                  },
+                  "asset_type": {
+                    "title": "Asset Content Type",
+                    "description": "Type of asset. Note: Brand manifests typically contain basic media assets (image, video, audio, text). Code assets (html, javascript, css) and ad markup (vast, daast) are usually not part of brand asset libraries.",
+                    "type": "string",
+                    "enum": [
+                      "image",
+                      "video",
+                      "audio",
+                      "text",
+                      "markdown",
+                      "html",
+                      "css",
+                      "javascript",
+                      "vast",
+                      "daast",
+                      "promoted_offerings",
+                      "url",
+                      "webhook"
+                    ]
+                  },
+                  "url": {
+                    "type": "string",
+                    "format": "uri",
+                    "description": "URL to CDN-hosted asset file"
+                  },
+                  "tags": {
+                    "type": "array",
+                    "description": "Tags for asset discovery (e.g., 'holiday', 'lifestyle', 'product_shot')",
+                    "items": {
+                      "type": "string"
+                    }
+                  },
+                  "name": {
+                    "type": "string",
+                    "description": "Human-readable asset name"
+                  },
+                  "description": {
+                    "type": "string",
+                    "description": "Asset description or usage notes"
+                  },
+                  "width": {
+                    "type": "integer",
+                    "description": "Image/video width in pixels"
+                  },
+                  "height": {
+                    "type": "integer",
+                    "description": "Image/video height in pixels"
+                  },
+                  "duration_seconds": {
+                    "type": "number",
+                    "description": "Video/audio duration in seconds"
+                  },
+                  "file_size_bytes": {
+                    "type": "integer",
+                    "description": "File size in bytes"
+                  },
+                  "format": {
+                    "type": "string",
+                    "description": "File format (e.g., 'jpg', 'mp4', 'mp3')"
+                  },
+                  "metadata": {
+                    "type": "object",
+                    "description": "Additional asset-specific metadata",
+                    "additionalProperties": true
+                  }
+                },
+                "required": [
+                  "asset_id",
+                  "asset_type",
+                  "url"
+                ],
+                "additionalProperties": true
+              }
+            },
+            "product_catalog": {
+              "type": "object",
+              "description": "Product catalog information for e-commerce advertisers. Enables SKU-level creative generation and product selection.",
+              "properties": {
+                "feed_url": {
+                  "type": "string",
+                  "format": "uri",
+                  "description": "URL to product catalog feed"
+                },
+                "feed_format": {
+                  "type": "string",
+                  "enum": [
+                    "google_merchant_center",
+                    "facebook_catalog",
+                    "custom"
+                  ],
+                  "default": "google_merchant_center",
+                  "description": "Format of the product feed"
+                },
+                "categories": {
+                  "type": "array",
+                  "description": "Product categories available in the catalog (for filtering)",
+                  "items": {
+                    "type": "string"
+                  }
+                },
+                "last_updated": {
+                  "type": "string",
+                  "format": "date-time",
+                  "description": "When the product catalog was last updated"
+                },
+                "update_frequency": {
+                  "type": "string",
+                  "enum": [
+                    "realtime",
+                    "hourly",
+                    "daily",
+                    "weekly"
+                  ],
+                  "description": "How frequently the product catalog is updated"
+                }
+              },
+              "required": [
+                "feed_url"
+              ],
+              "additionalProperties": true
+            },
+            "disclaimers": {
+              "type": "array",
+              "description": "Legal disclaimers or required text that must appear in creatives",
+              "items": {
+                "type": "object",
+                "properties": {
+                  "text": {
+                    "type": "string",
+                    "description": "Disclaimer text"
+                  },
+                  "context": {
+                    "type": "string",
+                    "description": "When this disclaimer applies (e.g., 'financial_products', 'health_claims', 'all')"
+                  },
+                  "required": {
+                    "type": "boolean",
+                    "description": "Whether this disclaimer must appear",
+                    "default": true
+                  }
+                },
+                "required": [
+                  "text"
+                ]
+              }
+            },
+            "industry": {
+              "type": "string",
+              "description": "Industry or vertical (e.g., 'retail', 'automotive', 'finance', 'healthcare')"
+            },
+            "target_audience": {
+              "type": "string",
+              "description": "Primary target audience description"
+            },
+            "contact": {
+              "type": "object",
+              "description": "Brand contact information",
+              "properties": {
+                "email": {
+                  "type": "string",
+                  "format": "email",
+                  "description": "Contact email"
+                },
+                "phone": {
+                  "type": "string",
+                  "description": "Contact phone number"
+                }
+              }
+            },
+            "metadata": {
+              "type": "object",
+              "description": "Additional brand metadata",
+              "properties": {
+                "created_date": {
+                  "type": "string",
+                  "format": "date-time",
+                  "description": "When this brand manifest was created"
+                },
+                "updated_date": {
+                  "type": "string",
+                  "format": "date-time",
+                  "description": "When this brand manifest was last updated"
+                },
+                "version": {
+                  "type": "string",
+                  "description": "Brand card version number"
+                }
+              }
+            }
+          },
+          "required": [
+            "name"
+          ],
+          "additionalProperties": true,
+          "examples": [
+            {
+              "description": "Example with both URL and name",
+              "data": {
+                "url": "https://bobsfunburgers.com",
+                "name": "Bob's Fun Burgers"
+              }
+            },
+            {
+              "description": "Example: white-label brand without dedicated URL",
+              "data": {
+                "name": "Great Value",
+                "colors": {
+                  "primary": "#0071CE",
+                  "secondary": "#FFC220"
+                },
+                "tone": "affordable and trustworthy"
+              }
+            },
+            {
+              "description": "Full brand manifest with all fields",
+              "data": {
+                "url": "https://acmecorp.com",
+                "name": "ACME Corporation",
+                "logos": [
+                  {
+                    "url": "https://cdn.acmecorp.com/logo-square-dark.png",
+                    "tags": [
+                      "dark",
+                      "square"
+                    ],
+                    "width": 512,
+                    "height": 512
+                  },
+                  {
+                    "url": "https://cdn.acmecorp.com/logo-horizontal-light.png",
+                    "tags": [
+                      "light",
+                      "horizontal"
+                    ],
+                    "width": 1200,
+                    "height": 400
+                  }
+                ],
+                "colors": {
+                  "primary": "#FF6B35",
+                  "secondary": "#004E89",
+                  "accent": "#F7931E",
+                  "background": "#FFFFFF",
+                  "text": "#1A1A1A"
+                },
+                "fonts": {
+                  "primary": "Helvetica Neue",
+                  "secondary": "Georgia"
+                },
+                "tone": "professional and trustworthy",
+                "tagline": "Innovation You Can Trust",
+                "assets": [
+                  {
+                    "asset_id": "hero_winter_2024",
+                    "asset_type": "image",
+                    "url": "https://cdn.acmecorp.com/hero-winter-2024.jpg",
+                    "tags": [
+                      "hero",
+                      "winter",
+                      "holiday",
+                      "lifestyle"
+                    ],
+                    "name": "Winter Campaign Hero",
+                    "width": 1920,
+                    "height": 1080,
+                    "format": "jpg"
+                  },
+                  {
+                    "asset_id": "product_video_30s",
+                    "asset_type": "video",
+                    "url": "https://cdn.acmecorp.com/product-demo-30s.mp4",
+                    "tags": [
+                      "product",
+                      "demo",
+                      "30s"
+                    ],
+                    "name": "Product Demo 30 Second",
+                    "width": 1920,
+                    "height": 1080,
+                    "duration_seconds": 30,
+                    "format": "mp4"
+                  }
+                ],
+                "product_catalog": {
+                  "feed_url": "https://acmecorp.com/products.xml",
+                  "feed_format": "google_merchant_center",
+                  "categories": [
+                    "electronics/computers",
+                    "electronics/accessories"
+                  ],
+                  "last_updated": "2024-03-15T10:00:00Z",
+                  "update_frequency": "hourly"
+                },
+                "disclaimers": [
+                  {
+                    "text": "Results may vary. Consult a professional before use.",
+                    "context": "health_claims",
+                    "required": true
+                  }
+                ],
+                "industry": "technology",
+                "target_audience": "business decision-makers aged 35-55"
+              }
+            }
+          ]
+        },
+        {
+          "type": "string",
+          "format": "uri",
+          "description": "URL to a hosted brand manifest JSON file. The manifest at this URL must conform to the brand-manifest.json schema."
+        }
+      ],
+      "examples": [
+        {
+          "description": "Inline brand manifest",
+          "data": {
+            "url": "https://acmecorp.com",
+            "name": "ACME Corporation",
+            "colors": {
+              "primary": "#FF6B35"
+            }
+          }
+        },
+        {
+          "description": "URL string reference to hosted manifest",
+          "data": "https://cdn.acmecorp.com/brand-manifest.json"
+        }
+      ]
+    },
+    "po_number": {
+      "type": "string",
+      "description": "Purchase order number for tracking"
+    },
+    "start_time": {
+      "title": "Start Timing",
+      "description": "Campaign start timing: 'asap' or ISO 8601 date-time",
+      "oneOf": [
+        {
+          "type": "string",
+          "const": "asap",
+          "description": "Start campaign as soon as possible"
+        },
+        {
+          "type": "string",
+          "format": "date-time",
+          "description": "Scheduled start date/time in ISO 8601 format"
+        }
+      ]
+    },
+    "end_time": {
+      "type": "string",
+      "format": "date-time",
+      "description": "Campaign end date/time in ISO 8601 format"
+    },
+    "reporting_webhook": {
+      "$comment": "Fields url, token, and authentication mirror push-notification-config.json. Inlined here because allOf + additionalProperties:false doesn't work in JSON Schema (additionalProperties can't see $ref properties). See CLAUDE.md 'Avoiding allOf with additionalProperties'.",
+      "type": "object",
+      "description": "Optional webhook configuration for automated reporting delivery. Combines push_notification_config structure with reporting-specific fields.",
+      "properties": {
+        "url": {
+          "type": "string",
+          "format": "uri",
+          "description": "Webhook endpoint URL for reporting notifications"
+        },
+        "token": {
+          "type": "string",
+          "description": "Optional client-provided token for webhook validation. Echoed back in webhook payload to validate request authenticity.",
+          "minLength": 16
+        },
+        "authentication": {
+          "type": "object",
+          "description": "Authentication configuration for webhook delivery (A2A-compatible)",
+          "properties": {
+            "schemes": {
+              "type": "array",
+              "description": "Array of authentication schemes. Supported: ['Bearer'] for simple token auth, ['HMAC-SHA256'] for signature verification (recommended for production)",
+              "items": {
+                "title": "Authentication Scheme",
+                "description": "Authentication schemes for push notification endpoints",
+                "type": "string",
+                "enum": [
+                  "Bearer",
+                  "HMAC-SHA256"
+                ]
+              },
+              "minItems": 1,
+              "maxItems": 1
+            },
+            "credentials": {
+              "type": "string",
+              "description": "Credentials for authentication. For Bearer: token sent in Authorization header. For HMAC-SHA256: shared secret used to generate signature. Minimum 32 characters. Exchanged out-of-band during onboarding.",
+              "minLength": 32
+            }
+          },
+          "required": [
+            "schemes",
+            "credentials"
+          ],
+          "additionalProperties": false
+        },
+        "reporting_frequency": {
+          "type": "string",
+          "enum": [
+            "hourly",
+            "daily",
+            "monthly"
+          ],
+          "description": "Frequency for automated reporting delivery. Must be supported by all products in the media buy."
+        },
+        "requested_metrics": {
+          "type": "array",
+          "description": "Optional list of metrics to include in webhook notifications. If omitted, all available metrics are included. Must be subset of product's available_metrics.",
+          "items": {
+            "type": "string",
+            "enum": [
+              "impressions",
+              "spend",
+              "clicks",
+              "ctr",
+              "video_completions",
+              "completion_rate",
+              "conversions",
+              "viewability",
+              "engagement_rate"
+            ]
+          },
+          "uniqueItems": true
+        }
+      },
+      "required": [
+        "url",
+        "authentication",
+        "reporting_frequency"
+      ],
+      "additionalProperties": true
+    },
+    "context": {
+      "title": "Context Object",
+      "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+      "type": "object",
+      "additionalProperties": true
+    },
+    "ext": {
+      "title": "Extension Object",
+      "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+      "type": "object",
+      "additionalProperties": true
+    }
+  },
+  "required": [
+    "buyer_ref",
+    "packages",
+    "brand_manifest",
+    "start_time",
+    "end_time"
+  ],
+  "additionalProperties": true,
+  "_bundled": {
+    "generatedAt": "2026-01-07T19:39:14.375Z",
+    "note": "This is a bundled schema with all $ref resolved inline. For the modular version with references, use the parent directory."
+  }
+}
\ No newline at end of file
diff --git a/dist/schemas/2.5.2/bundled/media-buy/create-media-buy-response.json b/dist/schemas/2.5.2/bundled/media-buy/create-media-buy-response.json
new file mode 100644
index 0000000000..9498425808
--- /dev/null
+++ b/dist/schemas/2.5.2/bundled/media-buy/create-media-buy-response.json
@@ -0,0 +1,356 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/bundled/media-buy/create-media-buy-response.json",
+  "title": "Create Media Buy Response",
+  "description": "Response payload for create_media_buy task. Returns either complete success data OR error information, never both. This enforces atomic operation semantics - the media buy is either fully created or not created at all.",
+  "type": "object",
+  "oneOf": [
+    {
+      "title": "CreateMediaBuySuccess",
+      "description": "Success response - media buy created successfully",
+      "type": "object",
+      "properties": {
+        "media_buy_id": {
+          "type": "string",
+          "description": "Publisher's unique identifier for the created media buy"
+        },
+        "buyer_ref": {
+          "type": "string",
+          "description": "Buyer's reference identifier for this media buy"
+        },
+        "creative_deadline": {
+          "type": "string",
+          "format": "date-time",
+          "description": "ISO 8601 timestamp for creative upload deadline"
+        },
+        "packages": {
+          "type": "array",
+          "description": "Array of created packages with complete state information",
+          "items": {
+            "title": "Package",
+            "description": "A specific product within a media buy (line item)",
+            "type": "object",
+            "properties": {
+              "package_id": {
+                "type": "string",
+                "description": "Publisher's unique identifier for the package"
+              },
+              "buyer_ref": {
+                "type": "string",
+                "description": "Buyer's reference identifier for this package"
+              },
+              "product_id": {
+                "type": "string",
+                "description": "ID of the product this package is based on"
+              },
+              "budget": {
+                "type": "number",
+                "description": "Budget allocation for this package in the currency specified by the pricing option",
+                "minimum": 0
+              },
+              "pacing": {
+                "title": "Pacing",
+                "description": "Budget pacing strategy",
+                "type": "string",
+                "enum": [
+                  "even",
+                  "asap",
+                  "front_loaded"
+                ],
+                "enumDescriptions": {
+                  "even": "Allocate remaining budget evenly over remaining campaign duration (default)",
+                  "asap": "Spend remaining budget as quickly as possible",
+                  "front_loaded": "Allocate more remaining budget earlier in the remaining campaign period"
+                }
+              },
+              "pricing_option_id": {
+                "type": "string",
+                "description": "ID of the selected pricing option from the product's pricing_options array"
+              },
+              "bid_price": {
+                "type": "number",
+                "description": "Bid price for auction-based CPM pricing (present if using cpm-auction-option)",
+                "minimum": 0
+              },
+              "impressions": {
+                "type": "number",
+                "description": "Impression goal for this package",
+                "minimum": 0
+              },
+              "targeting_overlay": {
+                "title": "Targeting Overlay",
+                "description": "Optional geographic refinements for media buys. Most targeting should be expressed in the brief and handled by the publisher. These fields are primarily for geographic restrictions (RCT testing, regulatory compliance).",
+                "type": "object",
+                "properties": {
+                  "geo_country_any_of": {
+                    "type": "array",
+                    "description": "Restrict delivery to specific countries (ISO codes). Use for regulatory compliance or RCT testing.",
+                    "items": {
+                      "type": "string",
+                      "pattern": "^[A-Z]{2}$"
+                    }
+                  },
+                  "geo_region_any_of": {
+                    "type": "array",
+                    "description": "Restrict delivery to specific regions/states. Use for regulatory compliance or RCT testing.",
+                    "items": {
+                      "type": "string"
+                    }
+                  },
+                  "geo_metro_any_of": {
+                    "type": "array",
+                    "description": "Restrict delivery to specific metro areas (DMA codes). Use for regulatory compliance or RCT testing.",
+                    "items": {
+                      "type": "string"
+                    }
+                  },
+                  "geo_postal_code_any_of": {
+                    "type": "array",
+                    "description": "Restrict delivery to specific postal/ZIP codes. Use for regulatory compliance or RCT testing.",
+                    "items": {
+                      "type": "string"
+                    }
+                  },
+                  "axe_include_segment": {
+                    "type": "string",
+                    "description": "AXE segment ID to include for targeting"
+                  },
+                  "axe_exclude_segment": {
+                    "type": "string",
+                    "description": "AXE segment ID to exclude from targeting"
+                  },
+                  "frequency_cap": {
+                    "title": "Frequency Cap",
+                    "description": "Frequency capping settings for package-level application",
+                    "type": "object",
+                    "properties": {
+                      "suppress_minutes": {
+                        "type": "number",
+                        "description": "Minutes to suppress after impression",
+                        "minimum": 0
+                      }
+                    },
+                    "required": [
+                      "suppress_minutes"
+                    ],
+                    "additionalProperties": true
+                  }
+                },
+                "additionalProperties": true
+              },
+              "creative_assignments": {
+                "type": "array",
+                "description": "Creative assets assigned to this package",
+                "items": {
+                  "title": "Creative Assignment",
+                  "description": "Assignment of a creative asset to a package with optional placement targeting. Used in create_media_buy and update_media_buy requests. Note: sync_creatives does not support placement_ids - use create/update_media_buy for placement-level targeting.",
+                  "type": "object",
+                  "properties": {
+                    "creative_id": {
+                      "type": "string",
+                      "description": "Unique identifier for the creative"
+                    },
+                    "weight": {
+                      "type": "number",
+                      "description": "Delivery weight for this creative",
+                      "minimum": 0,
+                      "maximum": 100
+                    },
+                    "placement_ids": {
+                      "type": "array",
+                      "description": "Optional array of placement IDs where this creative should run. When omitted, the creative runs on all placements in the package. References placement_id values from the product's placements array.",
+                      "items": {
+                        "type": "string"
+                      },
+                      "minItems": 1
+                    }
+                  },
+                  "required": [
+                    "creative_id"
+                  ],
+                  "additionalProperties": true
+                }
+              },
+              "format_ids_to_provide": {
+                "type": "array",
+                "description": "Format IDs that creative assets will be provided for this package",
+                "items": {
+                  "title": "Format ID",
+                  "description": "Structured format identifier with agent URL and format name. Can reference: (1) a concrete format with fixed dimensions (id only), (2) a template format without parameters (id only), or (3) a template format with parameters (id + dimensions/duration). Template formats accept parameters in format_id while concrete formats have fixed dimensions in their definition. Parameterized format IDs create unique, specific format variants.",
+                  "type": "object",
+                  "properties": {
+                    "agent_url": {
+                      "type": "string",
+                      "format": "uri",
+                      "description": "URL of the agent that defines this format (e.g., 'https://creatives.adcontextprotocol.org' for standard formats, or 'https://publisher.com/.well-known/adcp/sales' for custom formats)"
+                    },
+                    "id": {
+                      "type": "string",
+                      "pattern": "^[a-zA-Z0-9_-]+$",
+                      "description": "Format identifier within the agent's namespace (e.g., 'display_static', 'video_hosted', 'audio_standard'). When used alone, references a template format. When combined with dimension/duration fields, creates a parameterized format ID for a specific variant."
+                    },
+                    "width": {
+                      "type": "integer",
+                      "minimum": 1,
+                      "description": "Width in pixels for visual formats. When specified, height must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+                    },
+                    "height": {
+                      "type": "integer",
+                      "minimum": 1,
+                      "description": "Height in pixels for visual formats. When specified, width must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+                    },
+                    "duration_ms": {
+                      "type": "number",
+                      "minimum": 1,
+                      "description": "Duration in milliseconds for time-based formats (video, audio). When specified, creates a parameterized format ID. Omit to reference a template format without parameters."
+                    }
+                  },
+                  "required": [
+                    "agent_url",
+                    "id"
+                  ],
+                  "additionalProperties": true,
+                  "dependencies": {
+                    "width": [
+                      "height"
+                    ],
+                    "height": [
+                      "width"
+                    ]
+                  }
+                }
+              },
+              "paused": {
+                "type": "boolean",
+                "description": "Whether this package is paused by the buyer. Paused packages do not deliver impressions. Defaults to false.",
+                "default": false
+              },
+              "ext": {
+                "title": "Extension Object",
+                "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+                "type": "object",
+                "additionalProperties": true
+              }
+            },
+            "required": [
+              "package_id"
+            ],
+            "additionalProperties": true
+          }
+        },
+        "context": {
+          "title": "Context Object",
+          "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+          "type": "object",
+          "additionalProperties": true
+        },
+        "ext": {
+          "title": "Extension Object",
+          "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+          "type": "object",
+          "additionalProperties": true
+        }
+      },
+      "required": [
+        "media_buy_id",
+        "buyer_ref",
+        "packages"
+      ],
+      "additionalProperties": true,
+      "not": {
+        "required": [
+          "errors"
+        ]
+      }
+    },
+    {
+      "title": "CreateMediaBuyError",
+      "description": "Error response - operation failed, no media buy created",
+      "type": "object",
+      "properties": {
+        "errors": {
+          "type": "array",
+          "description": "Array of errors explaining why the operation failed",
+          "items": {
+            "title": "Error",
+            "description": "Standard error structure for task-specific errors and warnings",
+            "type": "object",
+            "properties": {
+              "code": {
+                "type": "string",
+                "description": "Error code for programmatic handling"
+              },
+              "message": {
+                "type": "string",
+                "description": "Human-readable error message"
+              },
+              "field": {
+                "type": "string",
+                "description": "Field path associated with the error (e.g., 'packages[0].targeting')"
+              },
+              "suggestion": {
+                "type": "string",
+                "description": "Suggested fix for the error"
+              },
+              "retry_after": {
+                "type": "number",
+                "description": "Seconds to wait before retrying the operation",
+                "minimum": 0
+              },
+              "details": {
+                "type": "object",
+                "description": "Additional task-specific error details",
+                "additionalProperties": true
+              }
+            },
+            "required": [
+              "code",
+              "message"
+            ],
+            "additionalProperties": true
+          },
+          "minItems": 1
+        },
+        "context": {
+          "title": "Context Object",
+          "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+          "type": "object",
+          "additionalProperties": true
+        },
+        "ext": {
+          "title": "Extension Object",
+          "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+          "type": "object",
+          "additionalProperties": true
+        }
+      },
+      "required": [
+        "errors"
+      ],
+      "additionalProperties": true,
+      "not": {
+        "anyOf": [
+          {
+            "required": [
+              "media_buy_id"
+            ]
+          },
+          {
+            "required": [
+              "buyer_ref"
+            ]
+          },
+          {
+            "required": [
+              "packages"
+            ]
+          }
+        ]
+      }
+    }
+  ],
+  "_bundled": {
+    "generatedAt": "2026-01-07T19:39:14.376Z",
+    "note": "This is a bundled schema with all $ref resolved inline. For the modular version with references, use the parent directory."
+  }
+}
\ No newline at end of file
diff --git a/dist/schemas/2.5.2/bundled/media-buy/get-media-buy-delivery-request.json b/dist/schemas/2.5.2/bundled/media-buy/get-media-buy-delivery-request.json
new file mode 100644
index 0000000000..ad6ab7689d
--- /dev/null
+++ b/dist/schemas/2.5.2/bundled/media-buy/get-media-buy-delivery-request.json
@@ -0,0 +1,92 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/bundled/media-buy/get-media-buy-delivery-request.json",
+  "title": "Get Media Buy Delivery Request",
+  "description": "Request parameters for retrieving comprehensive delivery metrics",
+  "type": "object",
+  "properties": {
+    "media_buy_ids": {
+      "type": "array",
+      "description": "Array of publisher media buy IDs to get delivery data for",
+      "items": {
+        "type": "string"
+      }
+    },
+    "buyer_refs": {
+      "type": "array",
+      "description": "Array of buyer reference IDs to get delivery data for",
+      "items": {
+        "type": "string"
+      }
+    },
+    "status_filter": {
+      "oneOf": [
+        {
+          "title": "Media Buy Status",
+          "description": "Status of a media buy",
+          "type": "string",
+          "enum": [
+            "pending_activation",
+            "active",
+            "paused",
+            "completed"
+          ],
+          "enumDescriptions": {
+            "pending_activation": "Media buy created but not yet activated",
+            "active": "Media buy is currently running",
+            "paused": "Media buy is temporarily paused",
+            "completed": "Media buy has finished running"
+          }
+        },
+        {
+          "type": "array",
+          "items": {
+            "title": "Media Buy Status",
+            "description": "Status of a media buy",
+            "type": "string",
+            "enum": [
+              "pending_activation",
+              "active",
+              "paused",
+              "completed"
+            ],
+            "enumDescriptions": {
+              "pending_activation": "Media buy created but not yet activated",
+              "active": "Media buy is currently running",
+              "paused": "Media buy is temporarily paused",
+              "completed": "Media buy has finished running"
+            }
+          }
+        }
+      ],
+      "description": "Filter by status. Can be a single status or array of statuses"
+    },
+    "start_date": {
+      "type": "string",
+      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
+      "description": "Start date for reporting period (YYYY-MM-DD)"
+    },
+    "end_date": {
+      "type": "string",
+      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
+      "description": "End date for reporting period (YYYY-MM-DD)"
+    },
+    "context": {
+      "title": "Context Object",
+      "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+      "type": "object",
+      "additionalProperties": true
+    },
+    "ext": {
+      "title": "Extension Object",
+      "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+      "type": "object",
+      "additionalProperties": true
+    }
+  },
+  "additionalProperties": true,
+  "_bundled": {
+    "generatedAt": "2026-01-07T19:39:14.376Z",
+    "note": "This is a bundled schema with all $ref resolved inline. For the modular version with references, use the parent directory."
+  }
+}
\ No newline at end of file
diff --git a/dist/schemas/2.5.2/bundled/media-buy/get-media-buy-delivery-response.json b/dist/schemas/2.5.2/bundled/media-buy/get-media-buy-delivery-response.json
new file mode 100644
index 0000000000..2b5f952eef
--- /dev/null
+++ b/dist/schemas/2.5.2/bundled/media-buy/get-media-buy-delivery-response.json
@@ -0,0 +1,700 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/bundled/media-buy/get-media-buy-delivery-response.json",
+  "title": "Get Media Buy Delivery Response",
+  "description": "Response payload for get_media_buy_delivery task",
+  "type": "object",
+  "properties": {
+    "notification_type": {
+      "type": "string",
+      "enum": [
+        "scheduled",
+        "final",
+        "delayed",
+        "adjusted"
+      ],
+      "description": "Type of webhook notification (only present in webhook deliveries): scheduled = regular periodic update, final = campaign completed, delayed = data not yet available, adjusted = resending period with updated data"
+    },
+    "partial_data": {
+      "type": "boolean",
+      "description": "Indicates if any media buys in this webhook have missing/delayed data (only present in webhook deliveries)"
+    },
+    "unavailable_count": {
+      "type": "integer",
+      "minimum": 0,
+      "description": "Number of media buys with reporting_delayed or failed status (only present in webhook deliveries when partial_data is true)"
+    },
+    "sequence_number": {
+      "type": "integer",
+      "minimum": 1,
+      "description": "Sequential notification number (only present in webhook deliveries, starts at 1)"
+    },
+    "next_expected_at": {
+      "type": "string",
+      "format": "date-time",
+      "description": "ISO 8601 timestamp for next expected notification (only present in webhook deliveries when notification_type is not 'final')"
+    },
+    "reporting_period": {
+      "type": "object",
+      "description": "Date range for the report. All periods use UTC timezone.",
+      "properties": {
+        "start": {
+          "type": "string",
+          "format": "date-time",
+          "description": "ISO 8601 start timestamp in UTC (e.g., 2024-02-05T00:00:00Z)"
+        },
+        "end": {
+          "type": "string",
+          "format": "date-time",
+          "description": "ISO 8601 end timestamp in UTC (e.g., 2024-02-05T23:59:59Z)"
+        }
+      },
+      "required": [
+        "start",
+        "end"
+      ],
+      "additionalProperties": true
+    },
+    "currency": {
+      "type": "string",
+      "description": "ISO 4217 currency code",
+      "pattern": "^[A-Z]{3}$"
+    },
+    "aggregated_totals": {
+      "type": "object",
+      "description": "Combined metrics across all returned media buys. Only included in API responses (get_media_buy_delivery), not in webhook notifications.",
+      "properties": {
+        "impressions": {
+          "type": "number",
+          "description": "Total impressions delivered across all media buys",
+          "minimum": 0
+        },
+        "spend": {
+          "type": "number",
+          "description": "Total amount spent across all media buys",
+          "minimum": 0
+        },
+        "clicks": {
+          "type": "number",
+          "description": "Total clicks across all media buys (if applicable)",
+          "minimum": 0
+        },
+        "video_completions": {
+          "type": "number",
+          "description": "Total video completions across all media buys (if applicable)",
+          "minimum": 0
+        },
+        "media_buy_count": {
+          "type": "integer",
+          "description": "Number of media buys included in the response",
+          "minimum": 0
+        }
+      },
+      "required": [
+        "impressions",
+        "spend",
+        "media_buy_count"
+      ],
+      "additionalProperties": true
+    },
+    "media_buy_deliveries": {
+      "type": "array",
+      "description": "Array of delivery data for media buys. When used in webhook notifications, may contain multiple media buys aggregated by publisher. When used in get_media_buy_delivery API responses, typically contains requested media buys.",
+      "items": {
+        "type": "object",
+        "properties": {
+          "media_buy_id": {
+            "type": "string",
+            "description": "Publisher's media buy identifier"
+          },
+          "buyer_ref": {
+            "type": "string",
+            "description": "Buyer's reference identifier for this media buy"
+          },
+          "status": {
+            "type": "string",
+            "description": "Current media buy status. In webhook context, reporting_delayed indicates data temporarily unavailable.",
+            "enum": [
+              "pending",
+              "active",
+              "paused",
+              "completed",
+              "failed",
+              "reporting_delayed"
+            ]
+          },
+          "expected_availability": {
+            "type": "string",
+            "format": "date-time",
+            "description": "When delayed data is expected to be available (only present when status is reporting_delayed)"
+          },
+          "is_adjusted": {
+            "type": "boolean",
+            "description": "Indicates this delivery contains updated data for a previously reported period. Buyer should replace previous period data with these totals."
+          },
+          "pricing_model": {
+            "title": "Pricing Model",
+            "description": "Pricing model used for this media buy",
+            "type": "string",
+            "enum": [
+              "cpm",
+              "vcpm",
+              "cpc",
+              "cpcv",
+              "cpv",
+              "cpp",
+              "flat_rate"
+            ],
+            "enumDescriptions": {
+              "cpm": "Cost Per Mille - cost per 1,000 impressions",
+              "vcpm": "Viewable Cost Per Mille - cost per 1,000 viewable impressions (MRC standard)",
+              "cpc": "Cost Per Click - cost per click on the ad",
+              "cpcv": "Cost Per Completed View - cost per 100% video/audio completion",
+              "cpv": "Cost Per View - cost per view at publisher-defined threshold (e.g., 50% completion)",
+              "cpp": "Cost Per Point - cost per Gross Rating Point or Target Rating Point (TV/audio)",
+              "flat_rate": "Flat Rate - fixed cost regardless of delivery volume (sponsorships, takeovers)"
+            }
+          },
+          "totals": {
+            "allOf": [
+              {
+                "title": "Delivery Metrics",
+                "description": "Standard delivery metrics that can be reported at media buy, package, or creative level",
+                "type": "object",
+                "properties": {
+                  "impressions": {
+                    "type": "number",
+                    "description": "Impressions delivered",
+                    "minimum": 0
+                  },
+                  "spend": {
+                    "type": "number",
+                    "description": "Amount spent",
+                    "minimum": 0
+                  },
+                  "clicks": {
+                    "type": "number",
+                    "description": "Total clicks",
+                    "minimum": 0
+                  },
+                  "ctr": {
+                    "type": "number",
+                    "description": "Click-through rate (clicks/impressions)",
+                    "minimum": 0,
+                    "maximum": 1
+                  },
+                  "views": {
+                    "type": "number",
+                    "description": "Views at threshold (for CPV)",
+                    "minimum": 0
+                  },
+                  "completed_views": {
+                    "type": "number",
+                    "description": "100% completions (for CPCV)",
+                    "minimum": 0
+                  },
+                  "completion_rate": {
+                    "type": "number",
+                    "description": "Completion rate (completed_views/impressions)",
+                    "minimum": 0,
+                    "maximum": 1
+                  },
+                  "conversions": {
+                    "type": "number",
+                    "description": "Conversions (reserved for future CPA pricing support)",
+                    "minimum": 0
+                  },
+                  "leads": {
+                    "type": "number",
+                    "description": "Leads generated (reserved for future CPL pricing support)",
+                    "minimum": 0
+                  },
+                  "grps": {
+                    "type": "number",
+                    "description": "Gross Rating Points delivered (for CPP)",
+                    "minimum": 0
+                  },
+                  "reach": {
+                    "type": "number",
+                    "description": "Unique reach - units depend on measurement provider (e.g., individuals, households, devices, cookies). See delivery_measurement.provider for methodology.",
+                    "minimum": 0
+                  },
+                  "frequency": {
+                    "type": "number",
+                    "description": "Average frequency per individual (typically measured over campaign duration, but can vary by measurement provider)",
+                    "minimum": 0
+                  },
+                  "quartile_data": {
+                    "type": "object",
+                    "description": "Video quartile completion data",
+                    "properties": {
+                      "q1_views": {
+                        "type": "number",
+                        "description": "25% completion views",
+                        "minimum": 0
+                      },
+                      "q2_views": {
+                        "type": "number",
+                        "description": "50% completion views",
+                        "minimum": 0
+                      },
+                      "q3_views": {
+                        "type": "number",
+                        "description": "75% completion views",
+                        "minimum": 0
+                      },
+                      "q4_views": {
+                        "type": "number",
+                        "description": "100% completion views",
+                        "minimum": 0
+                      }
+                    }
+                  },
+                  "dooh_metrics": {
+                    "type": "object",
+                    "description": "DOOH-specific metrics (only included for DOOH campaigns)",
+                    "properties": {
+                      "loop_plays": {
+                        "type": "integer",
+                        "description": "Number of times ad played in rotation",
+                        "minimum": 0
+                      },
+                      "screens_used": {
+                        "type": "integer",
+                        "description": "Number of unique screens displaying the ad",
+                        "minimum": 0
+                      },
+                      "screen_time_seconds": {
+                        "type": "integer",
+                        "description": "Total display time in seconds",
+                        "minimum": 0
+                      },
+                      "sov_achieved": {
+                        "type": "number",
+                        "description": "Actual share of voice delivered (0.0 to 1.0)",
+                        "minimum": 0,
+                        "maximum": 1
+                      },
+                      "calculation_notes": {
+                        "type": "string",
+                        "description": "Explanation of how DOOH impressions were calculated"
+                      },
+                      "venue_breakdown": {
+                        "type": "array",
+                        "description": "Per-venue performance breakdown",
+                        "items": {
+                          "type": "object",
+                          "properties": {
+                            "venue_id": {
+                              "type": "string",
+                              "description": "Venue identifier"
+                            },
+                            "venue_name": {
+                              "type": "string",
+                              "description": "Human-readable venue name"
+                            },
+                            "venue_type": {
+                              "type": "string",
+                              "description": "Venue type (e.g., 'airport', 'transit', 'retail', 'billboard')"
+                            },
+                            "impressions": {
+                              "type": "integer",
+                              "description": "Impressions delivered at this venue",
+                              "minimum": 0
+                            },
+                            "loop_plays": {
+                              "type": "integer",
+                              "description": "Loop plays at this venue",
+                              "minimum": 0
+                            },
+                            "screens_used": {
+                              "type": "integer",
+                              "description": "Number of screens used at this venue",
+                              "minimum": 0
+                            }
+                          },
+                          "required": [
+                            "venue_id",
+                            "impressions"
+                          ],
+                          "additionalProperties": true
+                        }
+                      }
+                    },
+                    "additionalProperties": true
+                  }
+                },
+                "additionalProperties": true
+              },
+              {
+                "type": "object",
+                "description": "Aggregate metrics for this media buy across all packages",
+                "properties": {
+                  "effective_rate": {
+                    "type": "number",
+                    "description": "Effective rate paid per unit based on pricing_model (e.g., actual CPM for 'cpm', actual cost per completed view for 'cpcv', actual cost per point for 'cpp')",
+                    "minimum": 0
+                  }
+                },
+                "required": [
+                  "spend"
+                ]
+              }
+            ]
+          },
+          "by_package": {
+            "type": "array",
+            "description": "Metrics broken down by package",
+            "items": {
+              "allOf": [
+                {
+                  "title": "Delivery Metrics",
+                  "description": "Standard delivery metrics that can be reported at media buy, package, or creative level",
+                  "type": "object",
+                  "properties": {
+                    "impressions": {
+                      "type": "number",
+                      "description": "Impressions delivered",
+                      "minimum": 0
+                    },
+                    "spend": {
+                      "type": "number",
+                      "description": "Amount spent",
+                      "minimum": 0
+                    },
+                    "clicks": {
+                      "type": "number",
+                      "description": "Total clicks",
+                      "minimum": 0
+                    },
+                    "ctr": {
+                      "type": "number",
+                      "description": "Click-through rate (clicks/impressions)",
+                      "minimum": 0,
+                      "maximum": 1
+                    },
+                    "views": {
+                      "type": "number",
+                      "description": "Views at threshold (for CPV)",
+                      "minimum": 0
+                    },
+                    "completed_views": {
+                      "type": "number",
+                      "description": "100% completions (for CPCV)",
+                      "minimum": 0
+                    },
+                    "completion_rate": {
+                      "type": "number",
+                      "description": "Completion rate (completed_views/impressions)",
+                      "minimum": 0,
+                      "maximum": 1
+                    },
+                    "conversions": {
+                      "type": "number",
+                      "description": "Conversions (reserved for future CPA pricing support)",
+                      "minimum": 0
+                    },
+                    "leads": {
+                      "type": "number",
+                      "description": "Leads generated (reserved for future CPL pricing support)",
+                      "minimum": 0
+                    },
+                    "grps": {
+                      "type": "number",
+                      "description": "Gross Rating Points delivered (for CPP)",
+                      "minimum": 0
+                    },
+                    "reach": {
+                      "type": "number",
+                      "description": "Unique reach - units depend on measurement provider (e.g., individuals, households, devices, cookies). See delivery_measurement.provider for methodology.",
+                      "minimum": 0
+                    },
+                    "frequency": {
+                      "type": "number",
+                      "description": "Average frequency per individual (typically measured over campaign duration, but can vary by measurement provider)",
+                      "minimum": 0
+                    },
+                    "quartile_data": {
+                      "type": "object",
+                      "description": "Video quartile completion data",
+                      "properties": {
+                        "q1_views": {
+                          "type": "number",
+                          "description": "25% completion views",
+                          "minimum": 0
+                        },
+                        "q2_views": {
+                          "type": "number",
+                          "description": "50% completion views",
+                          "minimum": 0
+                        },
+                        "q3_views": {
+                          "type": "number",
+                          "description": "75% completion views",
+                          "minimum": 0
+                        },
+                        "q4_views": {
+                          "type": "number",
+                          "description": "100% completion views",
+                          "minimum": 0
+                        }
+                      }
+                    },
+                    "dooh_metrics": {
+                      "type": "object",
+                      "description": "DOOH-specific metrics (only included for DOOH campaigns)",
+                      "properties": {
+                        "loop_plays": {
+                          "type": "integer",
+                          "description": "Number of times ad played in rotation",
+                          "minimum": 0
+                        },
+                        "screens_used": {
+                          "type": "integer",
+                          "description": "Number of unique screens displaying the ad",
+                          "minimum": 0
+                        },
+                        "screen_time_seconds": {
+                          "type": "integer",
+                          "description": "Total display time in seconds",
+                          "minimum": 0
+                        },
+                        "sov_achieved": {
+                          "type": "number",
+                          "description": "Actual share of voice delivered (0.0 to 1.0)",
+                          "minimum": 0,
+                          "maximum": 1
+                        },
+                        "calculation_notes": {
+                          "type": "string",
+                          "description": "Explanation of how DOOH impressions were calculated"
+                        },
+                        "venue_breakdown": {
+                          "type": "array",
+                          "description": "Per-venue performance breakdown",
+                          "items": {
+                            "type": "object",
+                            "properties": {
+                              "venue_id": {
+                                "type": "string",
+                                "description": "Venue identifier"
+                              },
+                              "venue_name": {
+                                "type": "string",
+                                "description": "Human-readable venue name"
+                              },
+                              "venue_type": {
+                                "type": "string",
+                                "description": "Venue type (e.g., 'airport', 'transit', 'retail', 'billboard')"
+                              },
+                              "impressions": {
+                                "type": "integer",
+                                "description": "Impressions delivered at this venue",
+                                "minimum": 0
+                              },
+                              "loop_plays": {
+                                "type": "integer",
+                                "description": "Loop plays at this venue",
+                                "minimum": 0
+                              },
+                              "screens_used": {
+                                "type": "integer",
+                                "description": "Number of screens used at this venue",
+                                "minimum": 0
+                              }
+                            },
+                            "required": [
+                              "venue_id",
+                              "impressions"
+                            ],
+                            "additionalProperties": true
+                          }
+                        }
+                      },
+                      "additionalProperties": true
+                    }
+                  },
+                  "additionalProperties": true
+                },
+                {
+                  "type": "object",
+                  "properties": {
+                    "package_id": {
+                      "type": "string",
+                      "description": "Publisher's package identifier"
+                    },
+                    "buyer_ref": {
+                      "type": "string",
+                      "description": "Buyer's reference identifier for this package"
+                    },
+                    "pacing_index": {
+                      "type": "number",
+                      "description": "Delivery pace (1.0 = on track, <1.0 = behind, >1.0 = ahead)",
+                      "minimum": 0
+                    },
+                    "pricing_model": {
+                      "title": "Pricing Model",
+                      "description": "The pricing model used for this package (e.g., cpm, cpcv, cpp). Indicates how the package is billed and which metrics are most relevant for optimization.",
+                      "type": "string",
+                      "enum": [
+                        "cpm",
+                        "vcpm",
+                        "cpc",
+                        "cpcv",
+                        "cpv",
+                        "cpp",
+                        "flat_rate"
+                      ],
+                      "enumDescriptions": {
+                        "cpm": "Cost Per Mille - cost per 1,000 impressions",
+                        "vcpm": "Viewable Cost Per Mille - cost per 1,000 viewable impressions (MRC standard)",
+                        "cpc": "Cost Per Click - cost per click on the ad",
+                        "cpcv": "Cost Per Completed View - cost per 100% video/audio completion",
+                        "cpv": "Cost Per View - cost per view at publisher-defined threshold (e.g., 50% completion)",
+                        "cpp": "Cost Per Point - cost per Gross Rating Point or Target Rating Point (TV/audio)",
+                        "flat_rate": "Flat Rate - fixed cost regardless of delivery volume (sponsorships, takeovers)"
+                      }
+                    },
+                    "rate": {
+                      "type": "number",
+                      "description": "The pricing rate for this package in the specified currency. For fixed-rate pricing, this is the agreed rate (e.g., CPM rate of 12.50 means $12.50 per 1,000 impressions). For auction-based pricing, this represents the effective rate based on actual delivery.",
+                      "minimum": 0
+                    },
+                    "currency": {
+                      "type": "string",
+                      "description": "ISO 4217 currency code (e.g., USD, EUR, GBP) for this package's pricing. Indicates the currency in which the rate and spend values are denominated. Different packages can use different currencies when supported by the publisher.",
+                      "pattern": "^[A-Z]{3}$"
+                    },
+                    "delivery_status": {
+                      "type": "string",
+                      "description": "System-reported operational state of this package. Reflects actual delivery state independent of buyer pause control.",
+                      "enum": [
+                        "delivering",
+                        "completed",
+                        "budget_exhausted",
+                        "flight_ended",
+                        "goal_met"
+                      ]
+                    },
+                    "paused": {
+                      "type": "boolean",
+                      "description": "Whether this package is currently paused by the buyer"
+                    }
+                  },
+                  "required": [
+                    "package_id",
+                    "spend",
+                    "pricing_model",
+                    "rate",
+                    "currency"
+                  ]
+                }
+              ]
+            }
+          },
+          "daily_breakdown": {
+            "type": "array",
+            "description": "Day-by-day delivery",
+            "items": {
+              "type": "object",
+              "properties": {
+                "date": {
+                  "type": "string",
+                  "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
+                  "description": "Date (YYYY-MM-DD)"
+                },
+                "impressions": {
+                  "type": "number",
+                  "description": "Daily impressions",
+                  "minimum": 0
+                },
+                "spend": {
+                  "type": "number",
+                  "description": "Daily spend",
+                  "minimum": 0
+                }
+              },
+              "required": [
+                "date",
+                "impressions",
+                "spend"
+              ],
+              "additionalProperties": true
+            }
+          }
+        },
+        "required": [
+          "media_buy_id",
+          "status",
+          "totals",
+          "by_package"
+        ],
+        "additionalProperties": true
+      }
+    },
+    "errors": {
+      "type": "array",
+      "description": "Task-specific errors and warnings (e.g., missing delivery data, reporting platform issues)",
+      "items": {
+        "title": "Error",
+        "description": "Standard error structure for task-specific errors and warnings",
+        "type": "object",
+        "properties": {
+          "code": {
+            "type": "string",
+            "description": "Error code for programmatic handling"
+          },
+          "message": {
+            "type": "string",
+            "description": "Human-readable error message"
+          },
+          "field": {
+            "type": "string",
+            "description": "Field path associated with the error (e.g., 'packages[0].targeting')"
+          },
+          "suggestion": {
+            "type": "string",
+            "description": "Suggested fix for the error"
+          },
+          "retry_after": {
+            "type": "number",
+            "description": "Seconds to wait before retrying the operation",
+            "minimum": 0
+          },
+          "details": {
+            "type": "object",
+            "description": "Additional task-specific error details",
+            "additionalProperties": true
+          }
+        },
+        "required": [
+          "code",
+          "message"
+        ],
+        "additionalProperties": true
+      }
+    },
+    "context": {
+      "title": "Context Object",
+      "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+      "type": "object",
+      "additionalProperties": true
+    },
+    "ext": {
+      "title": "Extension Object",
+      "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+      "type": "object",
+      "additionalProperties": true
+    }
+  },
+  "required": [
+    "reporting_period",
+    "currency",
+    "media_buy_deliveries"
+  ],
+  "additionalProperties": true,
+  "_bundled": {
+    "generatedAt": "2026-01-07T19:39:14.377Z",
+    "note": "This is a bundled schema with all $ref resolved inline. For the modular version with references, use the parent directory."
+  }
+}
\ No newline at end of file
diff --git a/dist/schemas/2.5.2/bundled/media-buy/get-products-request.json b/dist/schemas/2.5.2/bundled/media-buy/get-products-request.json
new file mode 100644
index 0000000000..3872d011eb
--- /dev/null
+++ b/dist/schemas/2.5.2/bundled/media-buy/get-products-request.json
@@ -0,0 +1,657 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/bundled/media-buy/get-products-request.json",
+  "title": "Get Products Request",
+  "description": "Request parameters for discovering available advertising products",
+  "type": "object",
+  "properties": {
+    "brief": {
+      "type": "string",
+      "description": "Natural language description of campaign requirements"
+    },
+    "brand_manifest": {
+      "title": "Brand Manifest Reference",
+      "description": "Brand information manifest providing brand context, assets, and product catalog. Can be provided inline or as a URL reference to a hosted manifest.",
+      "oneOf": [
+        {
+          "title": "Brand Manifest",
+          "description": "Inline brand manifest object",
+          "type": "object",
+          "properties": {
+            "url": {
+              "type": "string",
+              "format": "uri",
+              "description": "Primary brand URL for context and asset discovery. Creative agents can infer brand information from this URL."
+            },
+            "name": {
+              "type": "string",
+              "description": "Brand or business name"
+            },
+            "logos": {
+              "type": "array",
+              "description": "Brand logo assets with semantic tags for different use cases",
+              "items": {
+                "type": "object",
+                "properties": {
+                  "url": {
+                    "type": "string",
+                    "format": "uri",
+                    "description": "URL to the logo asset"
+                  },
+                  "tags": {
+                    "type": "array",
+                    "description": "Semantic tags describing the logo variant (e.g., 'dark', 'light', 'square', 'horizontal', 'icon')",
+                    "items": {
+                      "type": "string"
+                    }
+                  },
+                  "width": {
+                    "type": "integer",
+                    "description": "Logo width in pixels"
+                  },
+                  "height": {
+                    "type": "integer",
+                    "description": "Logo height in pixels"
+                  }
+                },
+                "required": [
+                  "url"
+                ]
+              }
+            },
+            "colors": {
+              "type": "object",
+              "description": "Brand color palette",
+              "properties": {
+                "primary": {
+                  "type": "string",
+                  "pattern": "^#[0-9A-Fa-f]{6}$",
+                  "description": "Primary brand color (hex format)"
+                },
+                "secondary": {
+                  "type": "string",
+                  "pattern": "^#[0-9A-Fa-f]{6}$",
+                  "description": "Secondary brand color (hex format)"
+                },
+                "accent": {
+                  "type": "string",
+                  "pattern": "^#[0-9A-Fa-f]{6}$",
+                  "description": "Accent color (hex format)"
+                },
+                "background": {
+                  "type": "string",
+                  "pattern": "^#[0-9A-Fa-f]{6}$",
+                  "description": "Background color (hex format)"
+                },
+                "text": {
+                  "type": "string",
+                  "pattern": "^#[0-9A-Fa-f]{6}$",
+                  "description": "Text color (hex format)"
+                }
+              }
+            },
+            "fonts": {
+              "type": "object",
+              "description": "Brand typography guidelines",
+              "properties": {
+                "primary": {
+                  "type": "string",
+                  "description": "Primary font family name"
+                },
+                "secondary": {
+                  "type": "string",
+                  "description": "Secondary font family name"
+                },
+                "font_urls": {
+                  "type": "array",
+                  "description": "URLs to web font files if using custom fonts",
+                  "items": {
+                    "type": "string",
+                    "format": "uri"
+                  }
+                }
+              }
+            },
+            "tone": {
+              "type": "string",
+              "description": "Brand voice and messaging tone (e.g., 'professional', 'casual', 'humorous', 'trustworthy', 'innovative')"
+            },
+            "tagline": {
+              "type": "string",
+              "description": "Brand tagline or slogan"
+            },
+            "assets": {
+              "type": "array",
+              "description": "Brand asset library with explicit assets and tags. Assets are referenced inline with URLs pointing to CDN-hosted files.",
+              "items": {
+                "type": "object",
+                "properties": {
+                  "asset_id": {
+                    "type": "string",
+                    "description": "Unique identifier for this asset"
+                  },
+                  "asset_type": {
+                    "title": "Asset Content Type",
+                    "description": "Type of asset. Note: Brand manifests typically contain basic media assets (image, video, audio, text). Code assets (html, javascript, css) and ad markup (vast, daast) are usually not part of brand asset libraries.",
+                    "type": "string",
+                    "enum": [
+                      "image",
+                      "video",
+                      "audio",
+                      "text",
+                      "markdown",
+                      "html",
+                      "css",
+                      "javascript",
+                      "vast",
+                      "daast",
+                      "promoted_offerings",
+                      "url",
+                      "webhook"
+                    ]
+                  },
+                  "url": {
+                    "type": "string",
+                    "format": "uri",
+                    "description": "URL to CDN-hosted asset file"
+                  },
+                  "tags": {
+                    "type": "array",
+                    "description": "Tags for asset discovery (e.g., 'holiday', 'lifestyle', 'product_shot')",
+                    "items": {
+                      "type": "string"
+                    }
+                  },
+                  "name": {
+                    "type": "string",
+                    "description": "Human-readable asset name"
+                  },
+                  "description": {
+                    "type": "string",
+                    "description": "Asset description or usage notes"
+                  },
+                  "width": {
+                    "type": "integer",
+                    "description": "Image/video width in pixels"
+                  },
+                  "height": {
+                    "type": "integer",
+                    "description": "Image/video height in pixels"
+                  },
+                  "duration_seconds": {
+                    "type": "number",
+                    "description": "Video/audio duration in seconds"
+                  },
+                  "file_size_bytes": {
+                    "type": "integer",
+                    "description": "File size in bytes"
+                  },
+                  "format": {
+                    "type": "string",
+                    "description": "File format (e.g., 'jpg', 'mp4', 'mp3')"
+                  },
+                  "metadata": {
+                    "type": "object",
+                    "description": "Additional asset-specific metadata",
+                    "additionalProperties": true
+                  }
+                },
+                "required": [
+                  "asset_id",
+                  "asset_type",
+                  "url"
+                ],
+                "additionalProperties": true
+              }
+            },
+            "product_catalog": {
+              "type": "object",
+              "description": "Product catalog information for e-commerce advertisers. Enables SKU-level creative generation and product selection.",
+              "properties": {
+                "feed_url": {
+                  "type": "string",
+                  "format": "uri",
+                  "description": "URL to product catalog feed"
+                },
+                "feed_format": {
+                  "type": "string",
+                  "enum": [
+                    "google_merchant_center",
+                    "facebook_catalog",
+                    "custom"
+                  ],
+                  "default": "google_merchant_center",
+                  "description": "Format of the product feed"
+                },
+                "categories": {
+                  "type": "array",
+                  "description": "Product categories available in the catalog (for filtering)",
+                  "items": {
+                    "type": "string"
+                  }
+                },
+                "last_updated": {
+                  "type": "string",
+                  "format": "date-time",
+                  "description": "When the product catalog was last updated"
+                },
+                "update_frequency": {
+                  "type": "string",
+                  "enum": [
+                    "realtime",
+                    "hourly",
+                    "daily",
+                    "weekly"
+                  ],
+                  "description": "How frequently the product catalog is updated"
+                }
+              },
+              "required": [
+                "feed_url"
+              ],
+              "additionalProperties": true
+            },
+            "disclaimers": {
+              "type": "array",
+              "description": "Legal disclaimers or required text that must appear in creatives",
+              "items": {
+                "type": "object",
+                "properties": {
+                  "text": {
+                    "type": "string",
+                    "description": "Disclaimer text"
+                  },
+                  "context": {
+                    "type": "string",
+                    "description": "When this disclaimer applies (e.g., 'financial_products', 'health_claims', 'all')"
+                  },
+                  "required": {
+                    "type": "boolean",
+                    "description": "Whether this disclaimer must appear",
+                    "default": true
+                  }
+                },
+                "required": [
+                  "text"
+                ]
+              }
+            },
+            "industry": {
+              "type": "string",
+              "description": "Industry or vertical (e.g., 'retail', 'automotive', 'finance', 'healthcare')"
+            },
+            "target_audience": {
+              "type": "string",
+              "description": "Primary target audience description"
+            },
+            "contact": {
+              "type": "object",
+              "description": "Brand contact information",
+              "properties": {
+                "email": {
+                  "type": "string",
+                  "format": "email",
+                  "description": "Contact email"
+                },
+                "phone": {
+                  "type": "string",
+                  "description": "Contact phone number"
+                }
+              }
+            },
+            "metadata": {
+              "type": "object",
+              "description": "Additional brand metadata",
+              "properties": {
+                "created_date": {
+                  "type": "string",
+                  "format": "date-time",
+                  "description": "When this brand manifest was created"
+                },
+                "updated_date": {
+                  "type": "string",
+                  "format": "date-time",
+                  "description": "When this brand manifest was last updated"
+                },
+                "version": {
+                  "type": "string",
+                  "description": "Brand card version number"
+                }
+              }
+            }
+          },
+          "required": [
+            "name"
+          ],
+          "additionalProperties": true,
+          "examples": [
+            {
+              "description": "Example with both URL and name",
+              "data": {
+                "url": "https://bobsfunburgers.com",
+                "name": "Bob's Fun Burgers"
+              }
+            },
+            {
+              "description": "Example: white-label brand without dedicated URL",
+              "data": {
+                "name": "Great Value",
+                "colors": {
+                  "primary": "#0071CE",
+                  "secondary": "#FFC220"
+                },
+                "tone": "affordable and trustworthy"
+              }
+            },
+            {
+              "description": "Full brand manifest with all fields",
+              "data": {
+                "url": "https://acmecorp.com",
+                "name": "ACME Corporation",
+                "logos": [
+                  {
+                    "url": "https://cdn.acmecorp.com/logo-square-dark.png",
+                    "tags": [
+                      "dark",
+                      "square"
+                    ],
+                    "width": 512,
+                    "height": 512
+                  },
+                  {
+                    "url": "https://cdn.acmecorp.com/logo-horizontal-light.png",
+                    "tags": [
+                      "light",
+                      "horizontal"
+                    ],
+                    "width": 1200,
+                    "height": 400
+                  }
+                ],
+                "colors": {
+                  "primary": "#FF6B35",
+                  "secondary": "#004E89",
+                  "accent": "#F7931E",
+                  "background": "#FFFFFF",
+                  "text": "#1A1A1A"
+                },
+                "fonts": {
+                  "primary": "Helvetica Neue",
+                  "secondary": "Georgia"
+                },
+                "tone": "professional and trustworthy",
+                "tagline": "Innovation You Can Trust",
+                "assets": [
+                  {
+                    "asset_id": "hero_winter_2024",
+                    "asset_type": "image",
+                    "url": "https://cdn.acmecorp.com/hero-winter-2024.jpg",
+                    "tags": [
+                      "hero",
+                      "winter",
+                      "holiday",
+                      "lifestyle"
+                    ],
+                    "name": "Winter Campaign Hero",
+                    "width": 1920,
+                    "height": 1080,
+                    "format": "jpg"
+                  },
+                  {
+                    "asset_id": "product_video_30s",
+                    "asset_type": "video",
+                    "url": "https://cdn.acmecorp.com/product-demo-30s.mp4",
+                    "tags": [
+                      "product",
+                      "demo",
+                      "30s"
+                    ],
+                    "name": "Product Demo 30 Second",
+                    "width": 1920,
+                    "height": 1080,
+                    "duration_seconds": 30,
+                    "format": "mp4"
+                  }
+                ],
+                "product_catalog": {
+                  "feed_url": "https://acmecorp.com/products.xml",
+                  "feed_format": "google_merchant_center",
+                  "categories": [
+                    "electronics/computers",
+                    "electronics/accessories"
+                  ],
+                  "last_updated": "2024-03-15T10:00:00Z",
+                  "update_frequency": "hourly"
+                },
+                "disclaimers": [
+                  {
+                    "text": "Results may vary. Consult a professional before use.",
+                    "context": "health_claims",
+                    "required": true
+                  }
+                ],
+                "industry": "technology",
+                "target_audience": "business decision-makers aged 35-55"
+              }
+            }
+          ]
+        },
+        {
+          "type": "string",
+          "format": "uri",
+          "description": "URL to a hosted brand manifest JSON file. The manifest at this URL must conform to the brand-manifest.json schema."
+        }
+      ],
+      "examples": [
+        {
+          "description": "Inline brand manifest",
+          "data": {
+            "url": "https://acmecorp.com",
+            "name": "ACME Corporation",
+            "colors": {
+              "primary": "#FF6B35"
+            }
+          }
+        },
+        {
+          "description": "URL string reference to hosted manifest",
+          "data": "https://cdn.acmecorp.com/brand-manifest.json"
+        }
+      ]
+    },
+    "filters": {
+      "title": "Product Filters",
+      "description": "Structured filters for product discovery",
+      "type": "object",
+      "properties": {
+        "delivery_type": {
+          "title": "Delivery Type",
+          "description": "Type of inventory delivery",
+          "type": "string",
+          "enum": [
+            "guaranteed",
+            "non_guaranteed"
+          ],
+          "enumDescriptions": {
+            "guaranteed": "Reserved inventory with guaranteed delivery",
+            "non_guaranteed": "Auction-based inventory without delivery guarantees"
+          }
+        },
+        "is_fixed_price": {
+          "type": "boolean",
+          "description": "Filter for fixed price vs auction products"
+        },
+        "format_types": {
+          "type": "array",
+          "description": "Filter by format types",
+          "items": {
+            "title": "Format Category",
+            "description": "High-level categories for creative formats based on media type and delivery channel. Describes WHERE and HOW a creative displays, not what content it contains.",
+            "type": "string",
+            "enum": [
+              "audio",
+              "video",
+              "display",
+              "native",
+              "dooh",
+              "rich_media",
+              "universal"
+            ]
+          }
+        },
+        "format_ids": {
+          "type": "array",
+          "description": "Filter by specific format IDs",
+          "items": {
+            "title": "Format ID",
+            "description": "Structured format identifier with agent URL and format name. Can reference: (1) a concrete format with fixed dimensions (id only), (2) a template format without parameters (id only), or (3) a template format with parameters (id + dimensions/duration). Template formats accept parameters in format_id while concrete formats have fixed dimensions in their definition. Parameterized format IDs create unique, specific format variants.",
+            "type": "object",
+            "properties": {
+              "agent_url": {
+                "type": "string",
+                "format": "uri",
+                "description": "URL of the agent that defines this format (e.g., 'https://creatives.adcontextprotocol.org' for standard formats, or 'https://publisher.com/.well-known/adcp/sales' for custom formats)"
+              },
+              "id": {
+                "type": "string",
+                "pattern": "^[a-zA-Z0-9_-]+$",
+                "description": "Format identifier within the agent's namespace (e.g., 'display_static', 'video_hosted', 'audio_standard'). When used alone, references a template format. When combined with dimension/duration fields, creates a parameterized format ID for a specific variant."
+              },
+              "width": {
+                "type": "integer",
+                "minimum": 1,
+                "description": "Width in pixels for visual formats. When specified, height must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+              },
+              "height": {
+                "type": "integer",
+                "minimum": 1,
+                "description": "Height in pixels for visual formats. When specified, width must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+              },
+              "duration_ms": {
+                "type": "number",
+                "minimum": 1,
+                "description": "Duration in milliseconds for time-based formats (video, audio). When specified, creates a parameterized format ID. Omit to reference a template format without parameters."
+              }
+            },
+            "required": [
+              "agent_url",
+              "id"
+            ],
+            "additionalProperties": true,
+            "dependencies": {
+              "width": [
+                "height"
+              ],
+              "height": [
+                "width"
+              ]
+            }
+          }
+        },
+        "standard_formats_only": {
+          "type": "boolean",
+          "description": "Only return products accepting IAB standard formats"
+        },
+        "min_exposures": {
+          "type": "integer",
+          "description": "Minimum exposures/impressions needed for measurement validity",
+          "minimum": 1
+        },
+        "start_date": {
+          "type": "string",
+          "format": "date",
+          "description": "Campaign start date (ISO 8601 date format: YYYY-MM-DD) for availability checks"
+        },
+        "end_date": {
+          "type": "string",
+          "format": "date",
+          "description": "Campaign end date (ISO 8601 date format: YYYY-MM-DD) for availability checks"
+        },
+        "budget_range": {
+          "type": "object",
+          "description": "Budget range to filter appropriate products",
+          "properties": {
+            "min": {
+              "type": "number",
+              "description": "Minimum budget amount",
+              "minimum": 0
+            },
+            "max": {
+              "type": "number",
+              "description": "Maximum budget amount",
+              "minimum": 0
+            },
+            "currency": {
+              "type": "string",
+              "description": "ISO 4217 currency code (e.g., 'USD', 'EUR', 'GBP')",
+              "pattern": "^[A-Z]{3}$"
+            }
+          },
+          "required": [
+            "currency"
+          ],
+          "anyOf": [
+            {
+              "required": [
+                "min"
+              ]
+            },
+            {
+              "required": [
+                "max"
+              ]
+            }
+          ],
+          "additionalProperties": true
+        },
+        "countries": {
+          "type": "array",
+          "description": "Filter by target countries using ISO 3166-1 alpha-2 country codes (e.g., ['US', 'CA', 'GB'])",
+          "items": {
+            "type": "string",
+            "pattern": "^[A-Z]{2}$"
+          }
+        },
+        "channels": {
+          "type": "array",
+          "description": "Filter by advertising channels (e.g., ['display', 'video', 'dooh'])",
+          "items": {
+            "title": "Advertising Channels",
+            "description": "Standard advertising channels supported by AdCP",
+            "type": "string",
+            "enum": [
+              "display",
+              "video",
+              "audio",
+              "native",
+              "dooh",
+              "ctv",
+              "podcast",
+              "retail",
+              "social"
+            ]
+          }
+        }
+      },
+      "additionalProperties": true
+    },
+    "context": {
+      "title": "Context Object",
+      "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+      "type": "object",
+      "additionalProperties": true
+    },
+    "ext": {
+      "title": "Extension Object",
+      "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+      "type": "object",
+      "additionalProperties": true
+    }
+  },
+  "required": [],
+  "additionalProperties": true,
+  "_bundled": {
+    "generatedAt": "2026-01-07T19:39:14.378Z",
+    "note": "This is a bundled schema with all $ref resolved inline. For the modular version with references, use the parent directory."
+  }
+}
\ No newline at end of file
diff --git a/dist/schemas/2.5.2/bundled/media-buy/get-products-response.json b/dist/schemas/2.5.2/bundled/media-buy/get-products-response.json
new file mode 100644
index 0000000000..60bf452942
--- /dev/null
+++ b/dist/schemas/2.5.2/bundled/media-buy/get-products-response.json
@@ -0,0 +1,1313 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/bundled/media-buy/get-products-response.json",
+  "title": "Get Products Response",
+  "description": "Response payload for get_products task",
+  "type": "object",
+  "properties": {
+    "products": {
+      "type": "array",
+      "description": "Array of matching products",
+      "items": {
+        "title": "Product",
+        "description": "Represents available advertising inventory",
+        "type": "object",
+        "properties": {
+          "product_id": {
+            "type": "string",
+            "description": "Unique identifier for the product"
+          },
+          "name": {
+            "type": "string",
+            "description": "Human-readable product name"
+          },
+          "description": {
+            "type": "string",
+            "description": "Detailed description of the product and its inventory"
+          },
+          "publisher_properties": {
+            "type": "array",
+            "description": "Publisher properties covered by this product. Buyers fetch actual property definitions from each publisher's adagents.json and validate agent authorization. Selection patterns mirror the authorization patterns in adagents.json for consistency.",
+            "items": {
+              "title": "Publisher Property Selector",
+              "description": "Selects properties from a publisher's adagents.json. Used for both product definitions and agent authorization. Supports three selection patterns: all properties, specific IDs, or by tags.",
+              "discriminator": {
+                "propertyName": "selection_type"
+              },
+              "oneOf": [
+                {
+                  "type": "object",
+                  "description": "Select all properties from the publisher domain",
+                  "properties": {
+                    "publisher_domain": {
+                      "type": "string",
+                      "description": "Domain where publisher's adagents.json is hosted (e.g., 'cnn.com')",
+                      "pattern": "^[a-z0-9]([a-z0-9-]*[a-z0-9])?(\\.[a-z0-9]([a-z0-9-]*[a-z0-9])?)*$"
+                    },
+                    "selection_type": {
+                      "type": "string",
+                      "const": "all",
+                      "description": "Discriminator indicating all properties from this publisher are included"
+                    }
+                  },
+                  "required": [
+                    "publisher_domain",
+                    "selection_type"
+                  ],
+                  "additionalProperties": true
+                },
+                {
+                  "type": "object",
+                  "description": "Select specific properties by ID",
+                  "properties": {
+                    "publisher_domain": {
+                      "type": "string",
+                      "description": "Domain where publisher's adagents.json is hosted (e.g., 'cnn.com')",
+                      "pattern": "^[a-z0-9]([a-z0-9-]*[a-z0-9])?(\\.[a-z0-9]([a-z0-9-]*[a-z0-9])?)*$"
+                    },
+                    "selection_type": {
+                      "type": "string",
+                      "const": "by_id",
+                      "description": "Discriminator indicating selection by specific property IDs"
+                    },
+                    "property_ids": {
+                      "type": "array",
+                      "description": "Specific property IDs from the publisher's adagents.json",
+                      "items": {
+                        "title": "Property ID",
+                        "description": "Identifier for a publisher property. Must be lowercase alphanumeric with underscores only.",
+                        "type": "string",
+                        "pattern": "^[a-z0-9_]+$",
+                        "examples": [
+                          "cnn_ctv_app",
+                          "homepage",
+                          "mobile_ios",
+                          "instagram"
+                        ]
+                      },
+                      "minItems": 1
+                    }
+                  },
+                  "required": [
+                    "publisher_domain",
+                    "selection_type",
+                    "property_ids"
+                  ],
+                  "additionalProperties": true
+                },
+                {
+                  "type": "object",
+                  "description": "Select properties by tag membership",
+                  "properties": {
+                    "publisher_domain": {
+                      "type": "string",
+                      "description": "Domain where publisher's adagents.json is hosted (e.g., 'cnn.com')",
+                      "pattern": "^[a-z0-9]([a-z0-9-]*[a-z0-9])?(\\.[a-z0-9]([a-z0-9-]*[a-z0-9])?)*$"
+                    },
+                    "selection_type": {
+                      "type": "string",
+                      "const": "by_tag",
+                      "description": "Discriminator indicating selection by property tags"
+                    },
+                    "property_tags": {
+                      "type": "array",
+                      "description": "Property tags from the publisher's adagents.json. Selector covers all properties with these tags",
+                      "items": {
+                        "title": "Property Tag",
+                        "description": "Tag for categorizing publisher properties. Must be lowercase alphanumeric with underscores only.",
+                        "type": "string",
+                        "pattern": "^[a-z0-9_]+$",
+                        "examples": [
+                          "ctv",
+                          "premium",
+                          "news",
+                          "sports",
+                          "meta_network",
+                          "social_media"
+                        ]
+                      },
+                      "minItems": 1
+                    }
+                  },
+                  "required": [
+                    "publisher_domain",
+                    "selection_type",
+                    "property_tags"
+                  ],
+                  "additionalProperties": true
+                }
+              ]
+            },
+            "minItems": 1
+          },
+          "format_ids": {
+            "type": "array",
+            "description": "Array of supported creative format IDs - structured format_id objects with agent_url and id",
+            "items": {
+              "title": "Format ID",
+              "description": "Structured format identifier with agent URL and format name. Can reference: (1) a concrete format with fixed dimensions (id only), (2) a template format without parameters (id only), or (3) a template format with parameters (id + dimensions/duration). Template formats accept parameters in format_id while concrete formats have fixed dimensions in their definition. Parameterized format IDs create unique, specific format variants.",
+              "type": "object",
+              "properties": {
+                "agent_url": {
+                  "type": "string",
+                  "format": "uri",
+                  "description": "URL of the agent that defines this format (e.g., 'https://creatives.adcontextprotocol.org' for standard formats, or 'https://publisher.com/.well-known/adcp/sales' for custom formats)"
+                },
+                "id": {
+                  "type": "string",
+                  "pattern": "^[a-zA-Z0-9_-]+$",
+                  "description": "Format identifier within the agent's namespace (e.g., 'display_static', 'video_hosted', 'audio_standard'). When used alone, references a template format. When combined with dimension/duration fields, creates a parameterized format ID for a specific variant."
+                },
+                "width": {
+                  "type": "integer",
+                  "minimum": 1,
+                  "description": "Width in pixels for visual formats. When specified, height must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+                },
+                "height": {
+                  "type": "integer",
+                  "minimum": 1,
+                  "description": "Height in pixels for visual formats. When specified, width must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+                },
+                "duration_ms": {
+                  "type": "number",
+                  "minimum": 1,
+                  "description": "Duration in milliseconds for time-based formats (video, audio). When specified, creates a parameterized format ID. Omit to reference a template format without parameters."
+                }
+              },
+              "required": [
+                "agent_url",
+                "id"
+              ],
+              "additionalProperties": true,
+              "dependencies": {
+                "width": [
+                  "height"
+                ],
+                "height": [
+                  "width"
+                ]
+              }
+            }
+          },
+          "placements": {
+            "type": "array",
+            "description": "Optional array of specific placements within this product. When provided, buyers can target specific placements when assigning creatives.",
+            "items": {
+              "title": "Placement",
+              "description": "Represents a specific ad placement within a product's inventory",
+              "type": "object",
+              "properties": {
+                "placement_id": {
+                  "type": "string",
+                  "description": "Unique identifier for the placement within the product"
+                },
+                "name": {
+                  "type": "string",
+                  "description": "Human-readable name for the placement (e.g., 'Homepage Banner', 'Article Sidebar')"
+                },
+                "description": {
+                  "type": "string",
+                  "description": "Detailed description of where and how the placement appears"
+                },
+                "format_ids": {
+                  "type": "array",
+                  "description": "Format IDs supported by this specific placement. Can include: (1) concrete format_ids (fixed dimensions), (2) template format_ids without parameters (accepts any dimensions/duration), or (3) parameterized format_ids (specific dimension/duration constraints).",
+                  "items": {
+                    "title": "Format ID",
+                    "description": "Structured format identifier with agent URL and format name. Can reference: (1) a concrete format with fixed dimensions (id only), (2) a template format without parameters (id only), or (3) a template format with parameters (id + dimensions/duration). Template formats accept parameters in format_id while concrete formats have fixed dimensions in their definition. Parameterized format IDs create unique, specific format variants.",
+                    "type": "object",
+                    "properties": {
+                      "agent_url": {
+                        "type": "string",
+                        "format": "uri",
+                        "description": "URL of the agent that defines this format (e.g., 'https://creatives.adcontextprotocol.org' for standard formats, or 'https://publisher.com/.well-known/adcp/sales' for custom formats)"
+                      },
+                      "id": {
+                        "type": "string",
+                        "pattern": "^[a-zA-Z0-9_-]+$",
+                        "description": "Format identifier within the agent's namespace (e.g., 'display_static', 'video_hosted', 'audio_standard'). When used alone, references a template format. When combined with dimension/duration fields, creates a parameterized format ID for a specific variant."
+                      },
+                      "width": {
+                        "type": "integer",
+                        "minimum": 1,
+                        "description": "Width in pixels for visual formats. When specified, height must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+                      },
+                      "height": {
+                        "type": "integer",
+                        "minimum": 1,
+                        "description": "Height in pixels for visual formats. When specified, width must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+                      },
+                      "duration_ms": {
+                        "type": "number",
+                        "minimum": 1,
+                        "description": "Duration in milliseconds for time-based formats (video, audio). When specified, creates a parameterized format ID. Omit to reference a template format without parameters."
+                      }
+                    },
+                    "required": [
+                      "agent_url",
+                      "id"
+                    ],
+                    "additionalProperties": true,
+                    "dependencies": {
+                      "width": [
+                        "height"
+                      ],
+                      "height": [
+                        "width"
+                      ]
+                    }
+                  },
+                  "minItems": 1
+                }
+              },
+              "required": [
+                "placement_id",
+                "name"
+              ],
+              "additionalProperties": true
+            },
+            "minItems": 1
+          },
+          "delivery_type": {
+            "title": "Delivery Type",
+            "description": "Type of inventory delivery",
+            "type": "string",
+            "enum": [
+              "guaranteed",
+              "non_guaranteed"
+            ],
+            "enumDescriptions": {
+              "guaranteed": "Reserved inventory with guaranteed delivery",
+              "non_guaranteed": "Auction-based inventory without delivery guarantees"
+            }
+          },
+          "pricing_options": {
+            "type": "array",
+            "description": "Available pricing models for this product",
+            "items": {
+              "title": "Pricing Option",
+              "description": "A pricing model option offered by a publisher for a product. Each pricing model has its own schema with model-specific requirements.",
+              "oneOf": [
+                {
+                  "title": "CPM Fixed Rate Pricing Option",
+                  "description": "Cost Per Mille (cost per 1,000 impressions) with guaranteed fixed rate - common for direct/guaranteed deals",
+                  "type": "object",
+                  "properties": {
+                    "pricing_option_id": {
+                      "type": "string",
+                      "description": "Unique identifier for this pricing option within the product (e.g., 'cpm_usd_guaranteed')"
+                    },
+                    "pricing_model": {
+                      "type": "string",
+                      "const": "cpm",
+                      "description": "Cost per 1,000 impressions"
+                    },
+                    "rate": {
+                      "type": "number",
+                      "description": "Fixed CPM rate (cost per 1,000 impressions)",
+                      "minimum": 0
+                    },
+                    "currency": {
+                      "type": "string",
+                      "description": "ISO 4217 currency code",
+                      "pattern": "^[A-Z]{3}$",
+                      "examples": [
+                        "USD",
+                        "EUR",
+                        "GBP",
+                        "JPY"
+                      ]
+                    },
+                    "is_fixed": {
+                      "type": "boolean",
+                      "description": "Whether this is a fixed rate (true) or auction-based (false)",
+                      "const": true
+                    },
+                    "min_spend_per_package": {
+                      "type": "number",
+                      "description": "Minimum spend requirement per package using this pricing option, in the specified currency",
+                      "minimum": 0
+                    }
+                  },
+                  "required": [
+                    "pricing_option_id",
+                    "pricing_model",
+                    "rate",
+                    "currency",
+                    "is_fixed"
+                  ],
+                  "additionalProperties": true
+                },
+                {
+                  "title": "CPM Auction Pricing Option",
+                  "description": "Cost Per Mille (cost per 1,000 impressions) with auction-based pricing - common for programmatic/non-guaranteed inventory",
+                  "type": "object",
+                  "properties": {
+                    "pricing_option_id": {
+                      "type": "string",
+                      "description": "Unique identifier for this pricing option within the product (e.g., 'cpm_usd_auction')"
+                    },
+                    "pricing_model": {
+                      "type": "string",
+                      "const": "cpm",
+                      "description": "Cost per 1,000 impressions"
+                    },
+                    "currency": {
+                      "type": "string",
+                      "description": "ISO 4217 currency code",
+                      "pattern": "^[A-Z]{3}$",
+                      "examples": [
+                        "USD",
+                        "EUR",
+                        "GBP",
+                        "JPY"
+                      ]
+                    },
+                    "is_fixed": {
+                      "type": "boolean",
+                      "description": "Whether this is a fixed rate (true) or auction-based (false)",
+                      "const": false
+                    },
+                    "price_guidance": {
+                      "type": "object",
+                      "description": "Pricing guidance for auction-based CPM bidding",
+                      "properties": {
+                        "floor": {
+                          "type": "number",
+                          "description": "Minimum bid price - publisher will reject bids under this value",
+                          "minimum": 0
+                        },
+                        "p25": {
+                          "type": "number",
+                          "description": "25th percentile winning price",
+                          "minimum": 0
+                        },
+                        "p50": {
+                          "type": "number",
+                          "description": "Median winning price",
+                          "minimum": 0
+                        },
+                        "p75": {
+                          "type": "number",
+                          "description": "75th percentile winning price",
+                          "minimum": 0
+                        },
+                        "p90": {
+                          "type": "number",
+                          "description": "90th percentile winning price",
+                          "minimum": 0
+                        }
+                      },
+                      "required": [
+                        "floor"
+                      ]
+                    },
+                    "min_spend_per_package": {
+                      "type": "number",
+                      "description": "Minimum spend requirement per package using this pricing option, in the specified currency",
+                      "minimum": 0
+                    }
+                  },
+                  "required": [
+                    "pricing_option_id",
+                    "pricing_model",
+                    "price_guidance",
+                    "currency",
+                    "is_fixed"
+                  ],
+                  "additionalProperties": true
+                },
+                {
+                  "title": "vCPM Fixed Rate Pricing Option",
+                  "description": "Viewable Cost Per Mille (cost per 1,000 viewable impressions) with guaranteed fixed rate - impressions meeting MRC viewability standard (50% pixels in-view for 1 second for display, 2 seconds for video)",
+                  "type": "object",
+                  "properties": {
+                    "pricing_option_id": {
+                      "type": "string",
+                      "description": "Unique identifier for this pricing option within the product (e.g., 'vcpm_usd_guaranteed')"
+                    },
+                    "pricing_model": {
+                      "type": "string",
+                      "const": "vcpm",
+                      "description": "Cost per 1,000 viewable impressions (MRC standard)"
+                    },
+                    "rate": {
+                      "type": "number",
+                      "description": "Fixed vCPM rate (cost per 1,000 viewable impressions)",
+                      "minimum": 0
+                    },
+                    "currency": {
+                      "type": "string",
+                      "description": "ISO 4217 currency code",
+                      "pattern": "^[A-Z]{3}$",
+                      "examples": [
+                        "USD",
+                        "EUR",
+                        "GBP",
+                        "JPY"
+                      ]
+                    },
+                    "is_fixed": {
+                      "type": "boolean",
+                      "description": "Whether this is a fixed rate (true) or auction-based (false)",
+                      "const": true
+                    },
+                    "min_spend_per_package": {
+                      "type": "number",
+                      "description": "Minimum spend requirement per package using this pricing option, in the specified currency",
+                      "minimum": 0
+                    }
+                  },
+                  "required": [
+                    "pricing_option_id",
+                    "pricing_model",
+                    "rate",
+                    "currency",
+                    "is_fixed"
+                  ],
+                  "additionalProperties": true
+                },
+                {
+                  "title": "vCPM Auction Pricing Option",
+                  "description": "Viewable Cost Per Mille (cost per 1,000 viewable impressions) with auction-based pricing - impressions meeting MRC viewability standard (50% pixels in-view for 1 second for display, 2 seconds for video)",
+                  "type": "object",
+                  "properties": {
+                    "pricing_option_id": {
+                      "type": "string",
+                      "description": "Unique identifier for this pricing option within the product (e.g., 'vcpm_usd_auction')"
+                    },
+                    "pricing_model": {
+                      "type": "string",
+                      "const": "vcpm",
+                      "description": "Cost per 1,000 viewable impressions (MRC standard)"
+                    },
+                    "currency": {
+                      "type": "string",
+                      "description": "ISO 4217 currency code",
+                      "pattern": "^[A-Z]{3}$",
+                      "examples": [
+                        "USD",
+                        "EUR",
+                        "GBP",
+                        "JPY"
+                      ]
+                    },
+                    "is_fixed": {
+                      "type": "boolean",
+                      "description": "Whether this is a fixed rate (true) or auction-based (false)",
+                      "const": false
+                    },
+                    "price_guidance": {
+                      "type": "object",
+                      "description": "Statistical guidance for auction pricing",
+                      "properties": {
+                        "floor": {
+                          "type": "number",
+                          "description": "Minimum acceptable bid price",
+                          "minimum": 0
+                        },
+                        "p25": {
+                          "type": "number",
+                          "description": "25th percentile of recent winning bids",
+                          "minimum": 0
+                        },
+                        "p50": {
+                          "type": "number",
+                          "description": "Median of recent winning bids",
+                          "minimum": 0
+                        },
+                        "p75": {
+                          "type": "number",
+                          "description": "75th percentile of recent winning bids",
+                          "minimum": 0
+                        },
+                        "p90": {
+                          "type": "number",
+                          "description": "90th percentile of recent winning bids",
+                          "minimum": 0
+                        }
+                      },
+                      "required": [
+                        "floor"
+                      ]
+                    },
+                    "min_spend_per_package": {
+                      "type": "number",
+                      "description": "Minimum spend requirement per package using this pricing option, in the specified currency",
+                      "minimum": 0
+                    }
+                  },
+                  "required": [
+                    "pricing_option_id",
+                    "pricing_model",
+                    "currency",
+                    "price_guidance",
+                    "is_fixed"
+                  ],
+                  "additionalProperties": true
+                },
+                {
+                  "title": "CPC Pricing Option",
+                  "description": "Cost Per Click fixed-rate pricing for performance-driven advertising campaigns",
+                  "type": "object",
+                  "properties": {
+                    "pricing_option_id": {
+                      "type": "string",
+                      "description": "Unique identifier for this pricing option within the product (e.g., 'cpc_usd_fixed')"
+                    },
+                    "pricing_model": {
+                      "type": "string",
+                      "const": "cpc",
+                      "description": "Cost per click"
+                    },
+                    "rate": {
+                      "type": "number",
+                      "description": "Fixed CPC rate (cost per click)",
+                      "minimum": 0
+                    },
+                    "currency": {
+                      "type": "string",
+                      "description": "ISO 4217 currency code",
+                      "pattern": "^[A-Z]{3}$",
+                      "examples": [
+                        "USD",
+                        "EUR",
+                        "GBP",
+                        "JPY"
+                      ]
+                    },
+                    "is_fixed": {
+                      "type": "boolean",
+                      "description": "Whether this is a fixed rate (true) or auction-based (false)",
+                      "const": true
+                    },
+                    "min_spend_per_package": {
+                      "type": "number",
+                      "description": "Minimum spend requirement per package using this pricing option, in the specified currency",
+                      "minimum": 0
+                    }
+                  },
+                  "required": [
+                    "pricing_option_id",
+                    "pricing_model",
+                    "rate",
+                    "currency",
+                    "is_fixed"
+                  ],
+                  "additionalProperties": true
+                },
+                {
+                  "title": "CPCV Pricing Option",
+                  "description": "Cost Per Completed View (100% video/audio completion) fixed-rate pricing",
+                  "type": "object",
+                  "properties": {
+                    "pricing_option_id": {
+                      "type": "string",
+                      "description": "Unique identifier for this pricing option within the product (e.g., 'cpcv_usd_guaranteed')"
+                    },
+                    "pricing_model": {
+                      "type": "string",
+                      "const": "cpcv",
+                      "description": "Cost per completed view (100% completion)"
+                    },
+                    "rate": {
+                      "type": "number",
+                      "description": "Fixed CPCV rate (cost per 100% completion)",
+                      "minimum": 0
+                    },
+                    "currency": {
+                      "type": "string",
+                      "description": "ISO 4217 currency code",
+                      "pattern": "^[A-Z]{3}$",
+                      "examples": [
+                        "USD",
+                        "EUR",
+                        "GBP",
+                        "JPY"
+                      ]
+                    },
+                    "is_fixed": {
+                      "type": "boolean",
+                      "description": "Whether this is a fixed rate (true) or auction-based (false)",
+                      "const": true
+                    },
+                    "min_spend_per_package": {
+                      "type": "number",
+                      "description": "Minimum spend requirement per package using this pricing option, in the specified currency",
+                      "minimum": 0
+                    }
+                  },
+                  "required": [
+                    "pricing_option_id",
+                    "pricing_model",
+                    "rate",
+                    "currency",
+                    "is_fixed"
+                  ],
+                  "additionalProperties": true
+                },
+                {
+                  "title": "CPV Pricing Option",
+                  "description": "Cost Per View (at publisher-defined threshold) fixed-rate pricing for video/audio",
+                  "type": "object",
+                  "properties": {
+                    "pricing_option_id": {
+                      "type": "string",
+                      "description": "Unique identifier for this pricing option within the product (e.g., 'cpv_usd_50pct')"
+                    },
+                    "pricing_model": {
+                      "type": "string",
+                      "const": "cpv",
+                      "description": "Cost per view at threshold"
+                    },
+                    "rate": {
+                      "type": "number",
+                      "description": "Fixed CPV rate (cost per view)",
+                      "minimum": 0
+                    },
+                    "currency": {
+                      "type": "string",
+                      "description": "ISO 4217 currency code",
+                      "pattern": "^[A-Z]{3}$",
+                      "examples": [
+                        "USD",
+                        "EUR",
+                        "GBP",
+                        "JPY"
+                      ]
+                    },
+                    "is_fixed": {
+                      "type": "boolean",
+                      "description": "Whether this is a fixed rate (true) or auction-based (false)",
+                      "const": true
+                    },
+                    "parameters": {
+                      "type": "object",
+                      "description": "CPV-specific parameters defining the view threshold",
+                      "properties": {
+                        "view_threshold": {
+                          "oneOf": [
+                            {
+                              "type": "number",
+                              "description": "Percentage completion threshold for CPV pricing (0.0 to 1.0, e.g., 0.5 = 50% completion)",
+                              "minimum": 0,
+                              "maximum": 1
+                            },
+                            {
+                              "type": "object",
+                              "description": "Time-based view threshold for CPV pricing",
+                              "properties": {
+                                "duration_seconds": {
+                                  "type": "integer",
+                                  "description": "Seconds of viewing required (e.g., 30 for YouTube-style '30 seconds = view')",
+                                  "minimum": 1
+                                }
+                              },
+                              "required": [
+                                "duration_seconds"
+                              ],
+                              "additionalProperties": true
+                            }
+                          ]
+                        }
+                      },
+                      "required": [
+                        "view_threshold"
+                      ],
+                      "additionalProperties": true
+                    },
+                    "min_spend_per_package": {
+                      "type": "number",
+                      "description": "Minimum spend requirement per package using this pricing option, in the specified currency",
+                      "minimum": 0
+                    }
+                  },
+                  "required": [
+                    "pricing_option_id",
+                    "pricing_model",
+                    "rate",
+                    "currency",
+                    "is_fixed",
+                    "parameters"
+                  ],
+                  "additionalProperties": true
+                },
+                {
+                  "title": "CPP Pricing Option",
+                  "description": "Cost Per Point (Gross Rating Point) fixed-rate pricing for TV and audio campaigns requiring demographic measurement",
+                  "type": "object",
+                  "properties": {
+                    "pricing_option_id": {
+                      "type": "string",
+                      "description": "Unique identifier for this pricing option within the product (e.g., 'cpp_usd_p18-49')"
+                    },
+                    "pricing_model": {
+                      "type": "string",
+                      "const": "cpp",
+                      "description": "Cost per Gross Rating Point"
+                    },
+                    "rate": {
+                      "type": "number",
+                      "description": "Fixed CPP rate (cost per rating point)",
+                      "minimum": 0
+                    },
+                    "currency": {
+                      "type": "string",
+                      "description": "ISO 4217 currency code",
+                      "pattern": "^[A-Z]{3}$",
+                      "examples": [
+                        "USD",
+                        "EUR",
+                        "GBP",
+                        "JPY"
+                      ]
+                    },
+                    "is_fixed": {
+                      "type": "boolean",
+                      "description": "Whether this is a fixed rate (true) or auction-based (false)",
+                      "const": true
+                    },
+                    "parameters": {
+                      "type": "object",
+                      "description": "CPP-specific parameters for demographic targeting and GRP requirements",
+                      "properties": {
+                        "demographic": {
+                          "type": "string",
+                          "pattern": "^[PMWAC][0-9]{2}(-[0-9]{2}|\\+)$",
+                          "description": "Target demographic in Nielsen format: P/M/W/A/C + age range. Examples: P18-49 (Persons 18-49), M25-54 (Men 25-54), W35+ (Women 35+), A18-34 (Adults 18-34), C2-11 (Children 2-11)"
+                        },
+                        "min_points": {
+                          "type": "number",
+                          "description": "Minimum GRPs/TRPs required for this pricing option",
+                          "minimum": 0
+                        }
+                      },
+                      "required": [
+                        "demographic"
+                      ],
+                      "additionalProperties": true
+                    },
+                    "min_spend_per_package": {
+                      "type": "number",
+                      "description": "Minimum spend requirement per package using this pricing option, in the specified currency",
+                      "minimum": 0
+                    }
+                  },
+                  "required": [
+                    "pricing_option_id",
+                    "pricing_model",
+                    "rate",
+                    "currency",
+                    "is_fixed",
+                    "parameters"
+                  ],
+                  "additionalProperties": true
+                },
+                {
+                  "title": "Flat Rate Pricing Option",
+                  "description": "Flat rate pricing for DOOH, sponsorships, and time-based campaigns - fixed cost regardless of delivery volume",
+                  "type": "object",
+                  "properties": {
+                    "pricing_option_id": {
+                      "type": "string",
+                      "description": "Unique identifier for this pricing option within the product (e.g., 'flat_rate_usd_24h_takeover')"
+                    },
+                    "pricing_model": {
+                      "type": "string",
+                      "const": "flat_rate",
+                      "description": "Fixed cost regardless of delivery volume"
+                    },
+                    "rate": {
+                      "type": "number",
+                      "description": "Flat rate cost",
+                      "minimum": 0
+                    },
+                    "currency": {
+                      "type": "string",
+                      "description": "ISO 4217 currency code",
+                      "pattern": "^[A-Z]{3}$",
+                      "examples": [
+                        "USD",
+                        "EUR",
+                        "GBP",
+                        "JPY"
+                      ]
+                    },
+                    "is_fixed": {
+                      "type": "boolean",
+                      "description": "Whether this is a fixed rate (true) or auction-based (false)",
+                      "const": true
+                    },
+                    "parameters": {
+                      "type": "object",
+                      "description": "Flat rate parameters for DOOH and time-based campaigns",
+                      "properties": {
+                        "duration_hours": {
+                          "type": "number",
+                          "description": "Duration in hours for time-based flat rate pricing (DOOH)",
+                          "minimum": 0
+                        },
+                        "sov_percentage": {
+                          "type": "number",
+                          "description": "Guaranteed share of voice as percentage (DOOH, 0-100)",
+                          "minimum": 0,
+                          "maximum": 100
+                        },
+                        "loop_duration_seconds": {
+                          "type": "integer",
+                          "description": "Duration of ad loop rotation in seconds (DOOH)",
+                          "minimum": 1
+                        },
+                        "min_plays_per_hour": {
+                          "type": "integer",
+                          "description": "Minimum number of times ad plays per hour (DOOH frequency guarantee)",
+                          "minimum": 0
+                        },
+                        "venue_package": {
+                          "type": "string",
+                          "description": "Named venue package identifier for DOOH (e.g., 'times_square_network', 'airport_terminals')"
+                        },
+                        "estimated_impressions": {
+                          "type": "integer",
+                          "description": "Estimated impressions for this flat rate option (informational, commonly used with SOV or time-based DOOH)",
+                          "minimum": 0
+                        },
+                        "daypart": {
+                          "type": "string",
+                          "description": "Specific daypart for time-based pricing (e.g., 'morning_commute', 'evening_prime', 'overnight')"
+                        }
+                      },
+                      "additionalProperties": true
+                    },
+                    "min_spend_per_package": {
+                      "type": "number",
+                      "description": "Minimum spend requirement per package using this pricing option, in the specified currency",
+                      "minimum": 0
+                    }
+                  },
+                  "required": [
+                    "pricing_option_id",
+                    "pricing_model",
+                    "currency",
+                    "is_fixed",
+                    "rate"
+                  ],
+                  "additionalProperties": true
+                }
+              ]
+            },
+            "minItems": 1
+          },
+          "estimated_exposures": {
+            "type": "integer",
+            "description": "Estimated exposures/impressions for guaranteed products",
+            "minimum": 0
+          },
+          "measurement": {
+            "title": "Measurement",
+            "description": "Measurement capabilities included with a product",
+            "type": "object",
+            "properties": {
+              "type": {
+                "type": "string",
+                "description": "Type of measurement",
+                "examples": [
+                  "incremental_sales_lift",
+                  "brand_lift",
+                  "foot_traffic"
+                ]
+              },
+              "attribution": {
+                "type": "string",
+                "description": "Attribution methodology",
+                "examples": [
+                  "deterministic_purchase",
+                  "probabilistic"
+                ]
+              },
+              "window": {
+                "type": "string",
+                "description": "Attribution window",
+                "examples": [
+                  "30_days",
+                  "7_days"
+                ]
+              },
+              "reporting": {
+                "type": "string",
+                "description": "Reporting frequency and format",
+                "examples": [
+                  "weekly_dashboard",
+                  "real_time_api"
+                ]
+              }
+            },
+            "required": [
+              "type",
+              "attribution",
+              "reporting"
+            ],
+            "additionalProperties": true
+          },
+          "delivery_measurement": {
+            "type": "object",
+            "description": "Measurement provider and methodology for delivery metrics. The buyer accepts the declared provider as the source of truth for the buy. REQUIRED for all products.",
+            "properties": {
+              "provider": {
+                "type": "string",
+                "description": "Measurement provider(s) used for this product (e.g., 'Google Ad Manager with IAS viewability', 'Nielsen DAR', 'Geopath for DOOH impressions')"
+              },
+              "notes": {
+                "type": "string",
+                "description": "Additional details about measurement methodology in plain language (e.g., 'MRC-accredited viewability. 50% in-view for 1s display / 2s video', 'Panel-based demographic measurement updated monthly')"
+              }
+            },
+            "required": [
+              "provider"
+            ]
+          },
+          "reporting_capabilities": {
+            "title": "Reporting Capabilities",
+            "description": "Reporting capabilities available for a product",
+            "type": "object",
+            "properties": {
+              "available_reporting_frequencies": {
+                "type": "array",
+                "description": "Supported reporting frequency options",
+                "items": {
+                  "title": "Reporting Frequency",
+                  "description": "Available frequencies for delivery reports and metrics updates",
+                  "type": "string",
+                  "enum": [
+                    "hourly",
+                    "daily",
+                    "monthly"
+                  ]
+                },
+                "minItems": 1,
+                "uniqueItems": true
+              },
+              "expected_delay_minutes": {
+                "type": "integer",
+                "description": "Expected delay in minutes before reporting data becomes available (e.g., 240 for 4-hour delay)",
+                "minimum": 0,
+                "examples": [
+                  240,
+                  300,
+                  1440
+                ]
+              },
+              "timezone": {
+                "type": "string",
+                "description": "Timezone for reporting periods. Use 'UTC' or IANA timezone (e.g., 'America/New_York'). Critical for daily/monthly frequency alignment.",
+                "examples": [
+                  "UTC",
+                  "America/New_York",
+                  "Europe/London",
+                  "America/Los_Angeles"
+                ]
+              },
+              "supports_webhooks": {
+                "type": "boolean",
+                "description": "Whether this product supports webhook-based reporting notifications"
+              },
+              "available_metrics": {
+                "type": "array",
+                "description": "Metrics available in reporting. Impressions and spend are always implicitly included.",
+                "items": {
+                  "title": "Available Metric",
+                  "description": "Standard delivery and performance metrics available for reporting",
+                  "type": "string",
+                  "enum": [
+                    "impressions",
+                    "spend",
+                    "clicks",
+                    "ctr",
+                    "video_completions",
+                    "completion_rate",
+                    "conversions",
+                    "viewability",
+                    "engagement_rate"
+                  ]
+                },
+                "uniqueItems": true,
+                "examples": [
+                  [
+                    "impressions",
+                    "spend",
+                    "clicks",
+                    "video_completions"
+                  ],
+                  [
+                    "impressions",
+                    "spend",
+                    "conversions"
+                  ]
+                ]
+              }
+            },
+            "required": [
+              "available_reporting_frequencies",
+              "expected_delay_minutes",
+              "timezone",
+              "supports_webhooks",
+              "available_metrics"
+            ],
+            "additionalProperties": true
+          },
+          "creative_policy": {
+            "title": "Creative Policy",
+            "description": "Creative requirements and restrictions for a product",
+            "type": "object",
+            "properties": {
+              "co_branding": {
+                "title": "Co-Branding Requirement",
+                "description": "Co-branding requirement",
+                "type": "string",
+                "enum": [
+                  "required",
+                  "optional",
+                  "none"
+                ]
+              },
+              "landing_page": {
+                "title": "Landing Page Requirement",
+                "description": "Landing page requirements",
+                "type": "string",
+                "enum": [
+                  "any",
+                  "retailer_site_only",
+                  "must_include_retailer"
+                ]
+              },
+              "templates_available": {
+                "type": "boolean",
+                "description": "Whether creative templates are provided"
+              }
+            },
+            "required": [
+              "co_branding",
+              "landing_page",
+              "templates_available"
+            ],
+            "additionalProperties": true
+          },
+          "is_custom": {
+            "type": "boolean",
+            "description": "Whether this is a custom product"
+          },
+          "brief_relevance": {
+            "type": "string",
+            "description": "Explanation of why this product matches the brief (only included when brief is provided)"
+          },
+          "expires_at": {
+            "type": "string",
+            "format": "date-time",
+            "description": "Expiration timestamp for custom products"
+          },
+          "product_card": {
+            "type": "object",
+            "description": "Optional standard visual card (300x400px) for displaying this product in user interfaces. Can be rendered via preview_creative or pre-generated.",
+            "properties": {
+              "format_id": {
+                "title": "Format ID",
+                "description": "Creative format defining the card layout (typically product_card_standard)",
+                "type": "object",
+                "properties": {
+                  "agent_url": {
+                    "type": "string",
+                    "format": "uri",
+                    "description": "URL of the agent that defines this format (e.g., 'https://creatives.adcontextprotocol.org' for standard formats, or 'https://publisher.com/.well-known/adcp/sales' for custom formats)"
+                  },
+                  "id": {
+                    "type": "string",
+                    "pattern": "^[a-zA-Z0-9_-]+$",
+                    "description": "Format identifier within the agent's namespace (e.g., 'display_static', 'video_hosted', 'audio_standard'). When used alone, references a template format. When combined with dimension/duration fields, creates a parameterized format ID for a specific variant."
+                  },
+                  "width": {
+                    "type": "integer",
+                    "minimum": 1,
+                    "description": "Width in pixels for visual formats. When specified, height must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+                  },
+                  "height": {
+                    "type": "integer",
+                    "minimum": 1,
+                    "description": "Height in pixels for visual formats. When specified, width must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+                  },
+                  "duration_ms": {
+                    "type": "number",
+                    "minimum": 1,
+                    "description": "Duration in milliseconds for time-based formats (video, audio). When specified, creates a parameterized format ID. Omit to reference a template format without parameters."
+                  }
+                },
+                "required": [
+                  "agent_url",
+                  "id"
+                ],
+                "additionalProperties": true,
+                "dependencies": {
+                  "width": [
+                    "height"
+                  ],
+                  "height": [
+                    "width"
+                  ]
+                }
+              },
+              "manifest": {
+                "type": "object",
+                "description": "Asset manifest for rendering the card, structure defined by the format",
+                "additionalProperties": true
+              }
+            },
+            "required": [
+              "format_id",
+              "manifest"
+            ],
+            "additionalProperties": true
+          },
+          "product_card_detailed": {
+            "type": "object",
+            "description": "Optional detailed card with carousel and full specifications. Provides rich product presentation similar to media kit pages.",
+            "properties": {
+              "format_id": {
+                "title": "Format ID",
+                "description": "Creative format defining the detailed card layout (typically product_card_detailed)",
+                "type": "object",
+                "properties": {
+                  "agent_url": {
+                    "type": "string",
+                    "format": "uri",
+                    "description": "URL of the agent that defines this format (e.g., 'https://creatives.adcontextprotocol.org' for standard formats, or 'https://publisher.com/.well-known/adcp/sales' for custom formats)"
+                  },
+                  "id": {
+                    "type": "string",
+                    "pattern": "^[a-zA-Z0-9_-]+$",
+                    "description": "Format identifier within the agent's namespace (e.g., 'display_static', 'video_hosted', 'audio_standard'). When used alone, references a template format. When combined with dimension/duration fields, creates a parameterized format ID for a specific variant."
+                  },
+                  "width": {
+                    "type": "integer",
+                    "minimum": 1,
+                    "description": "Width in pixels for visual formats. When specified, height must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+                  },
+                  "height": {
+                    "type": "integer",
+                    "minimum": 1,
+                    "description": "Height in pixels for visual formats. When specified, width must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+                  },
+                  "duration_ms": {
+                    "type": "number",
+                    "minimum": 1,
+                    "description": "Duration in milliseconds for time-based formats (video, audio). When specified, creates a parameterized format ID. Omit to reference a template format without parameters."
+                  }
+                },
+                "required": [
+                  "agent_url",
+                  "id"
+                ],
+                "additionalProperties": true,
+                "dependencies": {
+                  "width": [
+                    "height"
+                  ],
+                  "height": [
+                    "width"
+                  ]
+                }
+              },
+              "manifest": {
+                "type": "object",
+                "description": "Asset manifest for rendering the detailed card, structure defined by the format",
+                "additionalProperties": true
+              }
+            },
+            "required": [
+              "format_id",
+              "manifest"
+            ],
+            "additionalProperties": true
+          },
+          "ext": {
+            "title": "Extension Object",
+            "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+            "type": "object",
+            "additionalProperties": true
+          }
+        },
+        "required": [
+          "product_id",
+          "name",
+          "description",
+          "publisher_properties",
+          "format_ids",
+          "delivery_type",
+          "delivery_measurement",
+          "pricing_options"
+        ],
+        "additionalProperties": true
+      }
+    },
+    "errors": {
+      "type": "array",
+      "description": "Task-specific errors and warnings (e.g., product filtering issues)",
+      "items": {
+        "title": "Error",
+        "description": "Standard error structure for task-specific errors and warnings",
+        "type": "object",
+        "properties": {
+          "code": {
+            "type": "string",
+            "description": "Error code for programmatic handling"
+          },
+          "message": {
+            "type": "string",
+            "description": "Human-readable error message"
+          },
+          "field": {
+            "type": "string",
+            "description": "Field path associated with the error (e.g., 'packages[0].targeting')"
+          },
+          "suggestion": {
+            "type": "string",
+            "description": "Suggested fix for the error"
+          },
+          "retry_after": {
+            "type": "number",
+            "description": "Seconds to wait before retrying the operation",
+            "minimum": 0
+          },
+          "details": {
+            "type": "object",
+            "description": "Additional task-specific error details",
+            "additionalProperties": true
+          }
+        },
+        "required": [
+          "code",
+          "message"
+        ],
+        "additionalProperties": true
+      }
+    },
+    "context": {
+      "title": "Context Object",
+      "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+      "type": "object",
+      "additionalProperties": true
+    },
+    "ext": {
+      "title": "Extension Object",
+      "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+      "type": "object",
+      "additionalProperties": true
+    }
+  },
+  "required": [
+    "products"
+  ],
+  "additionalProperties": true,
+  "_bundled": {
+    "generatedAt": "2026-01-07T19:39:14.379Z",
+    "note": "This is a bundled schema with all $ref resolved inline. For the modular version with references, use the parent directory."
+  }
+}
\ No newline at end of file
diff --git a/dist/schemas/2.5.2/bundled/media-buy/list-authorized-properties-request.json b/dist/schemas/2.5.2/bundled/media-buy/list-authorized-properties-request.json
new file mode 100644
index 0000000000..7e6d5b0057
--- /dev/null
+++ b/dist/schemas/2.5.2/bundled/media-buy/list-authorized-properties-request.json
@@ -0,0 +1,36 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/bundled/media-buy/list-authorized-properties-request.json",
+  "title": "List Authorized Properties Request",
+  "description": "Request parameters for discovering which publishers this agent is authorized to represent",
+  "type": "object",
+  "properties": {
+    "publisher_domains": {
+      "type": "array",
+      "description": "Filter to specific publisher domains (optional). If omitted, returns all publishers this agent represents.",
+      "items": {
+        "type": "string",
+        "pattern": "^[a-z0-9]([a-z0-9-]*[a-z0-9])?(\\.[a-z0-9]([a-z0-9-]*[a-z0-9])?)*$",
+        "description": "Publisher domain to filter by (e.g., 'cnn.com', 'espn.com')"
+      },
+      "minItems": 1
+    },
+    "context": {
+      "title": "Context Object",
+      "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+      "type": "object",
+      "additionalProperties": true
+    },
+    "ext": {
+      "title": "Extension Object",
+      "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+      "type": "object",
+      "additionalProperties": true
+    }
+  },
+  "additionalProperties": true,
+  "_bundled": {
+    "generatedAt": "2026-01-07T19:39:14.380Z",
+    "note": "This is a bundled schema with all $ref resolved inline. For the modular version with references, use the parent directory."
+  }
+}
\ No newline at end of file
diff --git a/dist/schemas/2.5.2/bundled/media-buy/list-authorized-properties-response.json b/dist/schemas/2.5.2/bundled/media-buy/list-authorized-properties-response.json
new file mode 100644
index 0000000000..02e9f9ae57
--- /dev/null
+++ b/dist/schemas/2.5.2/bundled/media-buy/list-authorized-properties-response.json
@@ -0,0 +1,128 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/bundled/media-buy/list-authorized-properties-response.json",
+  "title": "List Authorized Properties Response",
+  "description": "Response payload for list_authorized_properties task. Lists publisher domains and authorization scope (property_ids or property_tags). Buyers fetch actual property definitions from each publisher's canonical adagents.json file.",
+  "type": "object",
+  "properties": {
+    "publisher_domains": {
+      "type": "array",
+      "description": "Publisher domains this agent is authorized to represent. Buyers should fetch each publisher's adagents.json to see property definitions and verify this agent is in their authorized_agents list with authorization scope.",
+      "items": {
+        "type": "string",
+        "pattern": "^[a-z0-9]([a-z0-9-]*[a-z0-9])?(\\.[a-z0-9]([a-z0-9-]*[a-z0-9])?)*$",
+        "description": "Domain where publisher's adagents.json is hosted (e.g., 'cnn.com')"
+      },
+      "minItems": 1
+    },
+    "primary_channels": {
+      "type": "array",
+      "description": "Primary advertising channels represented in this property portfolio. Helps buying agents quickly filter relevance.",
+      "items": {
+        "title": "Advertising Channels",
+        "description": "Standard advertising channels supported by AdCP",
+        "type": "string",
+        "enum": [
+          "display",
+          "video",
+          "audio",
+          "native",
+          "dooh",
+          "ctv",
+          "podcast",
+          "retail",
+          "social"
+        ]
+      },
+      "minItems": 1
+    },
+    "primary_countries": {
+      "type": "array",
+      "description": "Primary countries (ISO 3166-1 alpha-2 codes) where properties are concentrated. Helps buying agents quickly filter relevance.",
+      "items": {
+        "type": "string",
+        "pattern": "^[A-Z]{2}$"
+      },
+      "minItems": 1
+    },
+    "portfolio_description": {
+      "type": "string",
+      "description": "Markdown-formatted description of the property portfolio, including inventory types, audience characteristics, and special features.",
+      "minLength": 1,
+      "maxLength": 5000
+    },
+    "advertising_policies": {
+      "type": "string",
+      "description": "Publisher's advertising content policies, restrictions, and guidelines in natural language. May include prohibited categories, blocked advertisers, restricted tactics, brand safety requirements, or links to full policy documentation.",
+      "minLength": 1,
+      "maxLength": 10000
+    },
+    "last_updated": {
+      "type": "string",
+      "format": "date-time",
+      "description": "ISO 8601 timestamp of when the agent's publisher authorization list was last updated. Buyers can use this to determine if their cached publisher adagents.json files might be stale."
+    },
+    "errors": {
+      "type": "array",
+      "description": "Task-specific errors and warnings (e.g., property availability issues)",
+      "items": {
+        "title": "Error",
+        "description": "Standard error structure for task-specific errors and warnings",
+        "type": "object",
+        "properties": {
+          "code": {
+            "type": "string",
+            "description": "Error code for programmatic handling"
+          },
+          "message": {
+            "type": "string",
+            "description": "Human-readable error message"
+          },
+          "field": {
+            "type": "string",
+            "description": "Field path associated with the error (e.g., 'packages[0].targeting')"
+          },
+          "suggestion": {
+            "type": "string",
+            "description": "Suggested fix for the error"
+          },
+          "retry_after": {
+            "type": "number",
+            "description": "Seconds to wait before retrying the operation",
+            "minimum": 0
+          },
+          "details": {
+            "type": "object",
+            "description": "Additional task-specific error details",
+            "additionalProperties": true
+          }
+        },
+        "required": [
+          "code",
+          "message"
+        ],
+        "additionalProperties": true
+      }
+    },
+    "context": {
+      "title": "Context Object",
+      "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+      "type": "object",
+      "additionalProperties": true
+    },
+    "ext": {
+      "title": "Extension Object",
+      "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+      "type": "object",
+      "additionalProperties": true
+    }
+  },
+  "required": [
+    "publisher_domains"
+  ],
+  "additionalProperties": true,
+  "_bundled": {
+    "generatedAt": "2026-01-07T19:39:14.380Z",
+    "note": "This is a bundled schema with all $ref resolved inline. For the modular version with references, use the parent directory."
+  }
+}
\ No newline at end of file
diff --git a/dist/schemas/2.5.2/bundled/media-buy/list-creative-formats-request.json b/dist/schemas/2.5.2/bundled/media-buy/list-creative-formats-request.json
new file mode 100644
index 0000000000..fff673397b
--- /dev/null
+++ b/dist/schemas/2.5.2/bundled/media-buy/list-creative-formats-request.json
@@ -0,0 +1,137 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/bundled/media-buy/list-creative-formats-request.json",
+  "title": "List Creative Formats Request",
+  "description": "Request parameters for discovering supported creative formats",
+  "type": "object",
+  "properties": {
+    "format_ids": {
+      "type": "array",
+      "description": "Return only these specific format IDs (e.g., from get_products response)",
+      "items": {
+        "title": "Format ID",
+        "description": "Structured format identifier with agent URL and format name. Can reference: (1) a concrete format with fixed dimensions (id only), (2) a template format without parameters (id only), or (3) a template format with parameters (id + dimensions/duration). Template formats accept parameters in format_id while concrete formats have fixed dimensions in their definition. Parameterized format IDs create unique, specific format variants.",
+        "type": "object",
+        "properties": {
+          "agent_url": {
+            "type": "string",
+            "format": "uri",
+            "description": "URL of the agent that defines this format (e.g., 'https://creatives.adcontextprotocol.org' for standard formats, or 'https://publisher.com/.well-known/adcp/sales' for custom formats)"
+          },
+          "id": {
+            "type": "string",
+            "pattern": "^[a-zA-Z0-9_-]+$",
+            "description": "Format identifier within the agent's namespace (e.g., 'display_static', 'video_hosted', 'audio_standard'). When used alone, references a template format. When combined with dimension/duration fields, creates a parameterized format ID for a specific variant."
+          },
+          "width": {
+            "type": "integer",
+            "minimum": 1,
+            "description": "Width in pixels for visual formats. When specified, height must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+          },
+          "height": {
+            "type": "integer",
+            "minimum": 1,
+            "description": "Height in pixels for visual formats. When specified, width must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+          },
+          "duration_ms": {
+            "type": "number",
+            "minimum": 1,
+            "description": "Duration in milliseconds for time-based formats (video, audio). When specified, creates a parameterized format ID. Omit to reference a template format without parameters."
+          }
+        },
+        "required": [
+          "agent_url",
+          "id"
+        ],
+        "additionalProperties": true,
+        "dependencies": {
+          "width": [
+            "height"
+          ],
+          "height": [
+            "width"
+          ]
+        }
+      }
+    },
+    "type": {
+      "title": "Format Category",
+      "description": "Filter by format type (technical categories with distinct requirements)",
+      "type": "string",
+      "enum": [
+        "audio",
+        "video",
+        "display",
+        "native",
+        "dooh",
+        "rich_media",
+        "universal"
+      ]
+    },
+    "asset_types": {
+      "type": "array",
+      "description": "Filter to formats that include these asset types. For third-party tags, search for 'html' or 'javascript'. E.g., ['image', 'text'] returns formats with images and text, ['javascript'] returns formats accepting JavaScript tags.",
+      "items": {
+        "title": "Asset Content Type",
+        "description": "Types of content that can be used as creative assets. Describes what KIND of content an asset contains (image, video, code, etc.), not where it displays.",
+        "type": "string",
+        "enum": [
+          "image",
+          "video",
+          "audio",
+          "text",
+          "markdown",
+          "html",
+          "css",
+          "javascript",
+          "vast",
+          "daast",
+          "promoted_offerings",
+          "url",
+          "webhook"
+        ]
+      }
+    },
+    "max_width": {
+      "type": "integer",
+      "description": "Maximum width in pixels (inclusive). Returns formats where ANY render has width <= this value. For multi-render formats, matches if at least one render fits."
+    },
+    "max_height": {
+      "type": "integer",
+      "description": "Maximum height in pixels (inclusive). Returns formats where ANY render has height <= this value. For multi-render formats, matches if at least one render fits."
+    },
+    "min_width": {
+      "type": "integer",
+      "description": "Minimum width in pixels (inclusive). Returns formats where ANY render has width >= this value."
+    },
+    "min_height": {
+      "type": "integer",
+      "description": "Minimum height in pixels (inclusive). Returns formats where ANY render has height >= this value."
+    },
+    "is_responsive": {
+      "type": "boolean",
+      "description": "Filter for responsive formats that adapt to container size. When true, returns formats without fixed dimensions."
+    },
+    "name_search": {
+      "type": "string",
+      "description": "Search for formats by name (case-insensitive partial match)"
+    },
+    "context": {
+      "title": "Context Object",
+      "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+      "type": "object",
+      "additionalProperties": true
+    },
+    "ext": {
+      "title": "Extension Object",
+      "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+      "type": "object",
+      "additionalProperties": true
+    }
+  },
+  "additionalProperties": true,
+  "_bundled": {
+    "generatedAt": "2026-01-07T19:39:14.380Z",
+    "note": "This is a bundled schema with all $ref resolved inline. For the modular version with references, use the parent directory."
+  }
+}
\ No newline at end of file
diff --git a/dist/schemas/2.5.2/bundled/media-buy/list-creative-formats-response.json b/dist/schemas/2.5.2/bundled/media-buy/list-creative-formats-response.json
new file mode 100644
index 0000000000..c53dfed2f4
--- /dev/null
+++ b/dist/schemas/2.5.2/bundled/media-buy/list-creative-formats-response.json
@@ -0,0 +1,646 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/bundled/media-buy/list-creative-formats-response.json",
+  "title": "List Creative Formats Response",
+  "description": "Response payload for list_creative_formats task",
+  "type": "object",
+  "properties": {
+    "formats": {
+      "type": "array",
+      "description": "Full format definitions for all formats this agent supports. Each format's authoritative source is indicated by its agent_url field.",
+      "items": {
+        "title": "Format",
+        "description": "Represents a creative format with its requirements",
+        "type": "object",
+        "properties": {
+          "format_id": {
+            "title": "Format ID",
+            "description": "Structured format identifier with agent URL and format name",
+            "type": "object",
+            "properties": {
+              "agent_url": {
+                "type": "string",
+                "format": "uri",
+                "description": "URL of the agent that defines this format (e.g., 'https://creatives.adcontextprotocol.org' for standard formats, or 'https://publisher.com/.well-known/adcp/sales' for custom formats)"
+              },
+              "id": {
+                "type": "string",
+                "pattern": "^[a-zA-Z0-9_-]+$",
+                "description": "Format identifier within the agent's namespace (e.g., 'display_static', 'video_hosted', 'audio_standard'). When used alone, references a template format. When combined with dimension/duration fields, creates a parameterized format ID for a specific variant."
+              },
+              "width": {
+                "type": "integer",
+                "minimum": 1,
+                "description": "Width in pixels for visual formats. When specified, height must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+              },
+              "height": {
+                "type": "integer",
+                "minimum": 1,
+                "description": "Height in pixels for visual formats. When specified, width must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+              },
+              "duration_ms": {
+                "type": "number",
+                "minimum": 1,
+                "description": "Duration in milliseconds for time-based formats (video, audio). When specified, creates a parameterized format ID. Omit to reference a template format without parameters."
+              }
+            },
+            "required": [
+              "agent_url",
+              "id"
+            ],
+            "additionalProperties": true,
+            "dependencies": {
+              "width": [
+                "height"
+              ],
+              "height": [
+                "width"
+              ]
+            }
+          },
+          "name": {
+            "type": "string",
+            "description": "Human-readable format name"
+          },
+          "description": {
+            "type": "string",
+            "description": "Plain text explanation of what this format does and what assets it requires"
+          },
+          "preview_image": {
+            "type": "string",
+            "format": "uri",
+            "description": "DEPRECATED: Use format_card instead. Optional preview image URL for format browsing/discovery UI. Should be 400x300px (4:3 aspect ratio) PNG or JPG. Used as thumbnail/card image in format browsers. This field is maintained for backward compatibility but format_card provides a more flexible, structured approach."
+          },
+          "example_url": {
+            "type": "string",
+            "format": "uri",
+            "description": "Optional URL to showcase page with examples and interactive demos of this format"
+          },
+          "type": {
+            "title": "Format Category",
+            "description": "Media type of this format - determines rendering method and asset requirements",
+            "type": "string",
+            "enum": [
+              "audio",
+              "video",
+              "display",
+              "native",
+              "dooh",
+              "rich_media",
+              "universal"
+            ]
+          },
+          "accepts_parameters": {
+            "type": "array",
+            "description": "List of parameters this format accepts in format_id. Template formats define which parameters (dimensions, duration, etc.) can be specified when instantiating the format. Empty or omitted means this is a concrete format with fixed parameters.",
+            "items": {
+              "title": "Format ID Parameter",
+              "description": "Types of parameters that template formats accept in format_id objects to create parameterized format identifiers",
+              "type": "string",
+              "enum": [
+                "dimensions",
+                "duration"
+              ]
+            },
+            "uniqueItems": true
+          },
+          "renders": {
+            "type": "array",
+            "description": "Specification of rendered pieces for this format. Most formats produce a single render. Companion ad formats (video + banner), adaptive formats, and multi-placement formats produce multiple renders. Each render specifies its role and dimensions.",
+            "items": {
+              "type": "object",
+              "properties": {
+                "role": {
+                  "type": "string",
+                  "description": "Semantic role of this rendered piece (e.g., 'primary', 'companion', 'mobile_variant')"
+                },
+                "parameters_from_format_id": {
+                  "type": "boolean",
+                  "description": "When true, parameters for this render (dimensions and/or duration) are specified in the format_id. Used for template formats that accept parameters. Mutually exclusive with specifying dimensions object explicitly."
+                },
+                "dimensions": {
+                  "type": "object",
+                  "description": "Dimensions for this rendered piece (in pixels)",
+                  "properties": {
+                    "width": {
+                      "type": "integer",
+                      "minimum": 1,
+                      "description": "Fixed width in pixels"
+                    },
+                    "height": {
+                      "type": "integer",
+                      "minimum": 1,
+                      "description": "Fixed height in pixels"
+                    },
+                    "min_width": {
+                      "type": "integer",
+                      "minimum": 1,
+                      "description": "Minimum width in pixels for responsive renders"
+                    },
+                    "min_height": {
+                      "type": "integer",
+                      "minimum": 1,
+                      "description": "Minimum height in pixels for responsive renders"
+                    },
+                    "max_width": {
+                      "type": "integer",
+                      "minimum": 1,
+                      "description": "Maximum width in pixels for responsive renders"
+                    },
+                    "max_height": {
+                      "type": "integer",
+                      "minimum": 1,
+                      "description": "Maximum height in pixels for responsive renders"
+                    },
+                    "responsive": {
+                      "type": "object",
+                      "description": "Indicates which dimensions are responsive/fluid",
+                      "properties": {
+                        "width": {
+                          "type": "boolean"
+                        },
+                        "height": {
+                          "type": "boolean"
+                        }
+                      },
+                      "required": [
+                        "width",
+                        "height"
+                      ]
+                    },
+                    "aspect_ratio": {
+                      "type": "string",
+                      "description": "Fixed aspect ratio constraint (e.g., '16:9', '4:3', '1:1')",
+                      "pattern": "^\\d+:\\d+$"
+                    }
+                  }
+                }
+              },
+              "required": [
+                "role"
+              ],
+              "oneOf": [
+                {
+                  "required": [
+                    "dimensions"
+                  ],
+                  "not": {
+                    "required": [
+                      "parameters_from_format_id"
+                    ]
+                  }
+                },
+                {
+                  "required": [
+                    "parameters_from_format_id"
+                  ],
+                  "properties": {
+                    "parameters_from_format_id": {
+                      "const": true
+                    }
+                  },
+                  "not": {
+                    "required": [
+                      "dimensions"
+                    ]
+                  }
+                }
+              ]
+            },
+            "minItems": 1
+          },
+          "assets_required": {
+            "type": "array",
+            "description": "Array of required assets or asset groups for this format. Each asset is identified by its asset_id, which must be used as the key in creative manifests. Can contain individual assets or repeatable asset sequences (e.g., carousel products, slideshow frames).",
+            "items": {
+              "oneOf": [
+                {
+                  "description": "Individual asset requirement",
+                  "type": "object",
+                  "properties": {
+                    "item_type": {
+                      "type": "string",
+                      "const": "individual",
+                      "description": "Discriminator indicating this is an individual asset requirement"
+                    },
+                    "asset_id": {
+                      "type": "string",
+                      "description": "Unique identifier for this asset. Creative manifests MUST use this exact value as the key in the assets object."
+                    },
+                    "asset_type": {
+                      "title": "Asset Content Type",
+                      "description": "Type of asset",
+                      "type": "string",
+                      "enum": [
+                        "image",
+                        "video",
+                        "audio",
+                        "text",
+                        "markdown",
+                        "html",
+                        "css",
+                        "javascript",
+                        "vast",
+                        "daast",
+                        "promoted_offerings",
+                        "url",
+                        "webhook"
+                      ]
+                    },
+                    "asset_role": {
+                      "type": "string",
+                      "description": "Optional descriptive label for this asset's purpose (e.g., 'hero_image', 'logo'). Not used for referencing assets in manifests—use asset_id instead. This field is for human-readable documentation and UI display only."
+                    },
+                    "required": {
+                      "type": "boolean",
+                      "description": "Whether this asset is required"
+                    },
+                    "requirements": {
+                      "type": "object",
+                      "description": "Technical requirements for this asset (dimensions, file size, duration, etc.). For template formats, use parameters_from_format_id: true to indicate asset parameters must match the format_id parameters (width/height/unit and/or duration_ms).",
+                      "additionalProperties": true
+                    }
+                  },
+                  "required": [
+                    "item_type",
+                    "asset_id",
+                    "asset_type"
+                  ]
+                },
+                {
+                  "description": "Repeatable asset group (for carousels, slideshows, playlists, etc.)",
+                  "type": "object",
+                  "properties": {
+                    "item_type": {
+                      "type": "string",
+                      "const": "repeatable_group",
+                      "description": "Discriminator indicating this is a repeatable asset group"
+                    },
+                    "asset_group_id": {
+                      "type": "string",
+                      "description": "Identifier for this asset group (e.g., 'product', 'slide', 'card')"
+                    },
+                    "min_count": {
+                      "type": "integer",
+                      "description": "Minimum number of repetitions required",
+                      "minimum": 1
+                    },
+                    "max_count": {
+                      "type": "integer",
+                      "description": "Maximum number of repetitions allowed",
+                      "minimum": 1
+                    },
+                    "assets": {
+                      "type": "array",
+                      "description": "Assets within each repetition of this group",
+                      "items": {
+                        "type": "object",
+                        "properties": {
+                          "asset_id": {
+                            "type": "string",
+                            "description": "Identifier for this asset within the group"
+                          },
+                          "asset_type": {
+                            "title": "Asset Content Type",
+                            "description": "Type of asset",
+                            "type": "string",
+                            "enum": [
+                              "image",
+                              "video",
+                              "audio",
+                              "text",
+                              "markdown",
+                              "html",
+                              "css",
+                              "javascript",
+                              "vast",
+                              "daast",
+                              "promoted_offerings",
+                              "url",
+                              "webhook"
+                            ]
+                          },
+                          "asset_role": {
+                            "type": "string",
+                            "description": "Optional descriptive label for this asset's purpose (e.g., 'hero_image', 'logo'). Not used for referencing assets in manifests—use asset_id instead. This field is for human-readable documentation and UI display only."
+                          },
+                          "required": {
+                            "type": "boolean",
+                            "description": "Whether this asset is required in each repetition"
+                          },
+                          "requirements": {
+                            "type": "object",
+                            "description": "Technical requirements for this asset. For template formats, use parameters_from_format_id: true to indicate asset parameters must match the format_id parameters (width/height/unit and/or duration_ms).",
+                            "additionalProperties": true
+                          }
+                        },
+                        "required": [
+                          "asset_id",
+                          "asset_type"
+                        ]
+                      }
+                    }
+                  },
+                  "required": [
+                    "item_type",
+                    "asset_group_id",
+                    "min_count",
+                    "max_count",
+                    "assets"
+                  ]
+                }
+              ]
+            }
+          },
+          "delivery": {
+            "type": "object",
+            "description": "Delivery method specifications (e.g., hosted, VAST, third-party tags)",
+            "additionalProperties": true
+          },
+          "supported_macros": {
+            "type": "array",
+            "description": "List of universal macros supported by this format (e.g., MEDIA_BUY_ID, CACHEBUSTER, DEVICE_ID). Used for validation and developer tooling.",
+            "items": {
+              "type": "string"
+            }
+          },
+          "output_format_ids": {
+            "type": "array",
+            "description": "For generative formats: array of format IDs that this format can generate. When a format accepts inputs like brand_manifest and message, this specifies what concrete output formats can be produced (e.g., a generative banner format might output standard image banner formats).",
+            "items": {
+              "title": "Format ID",
+              "description": "Structured format identifier with agent URL and format name. Can reference: (1) a concrete format with fixed dimensions (id only), (2) a template format without parameters (id only), or (3) a template format with parameters (id + dimensions/duration). Template formats accept parameters in format_id while concrete formats have fixed dimensions in their definition. Parameterized format IDs create unique, specific format variants.",
+              "type": "object",
+              "properties": {
+                "agent_url": {
+                  "type": "string",
+                  "format": "uri",
+                  "description": "URL of the agent that defines this format (e.g., 'https://creatives.adcontextprotocol.org' for standard formats, or 'https://publisher.com/.well-known/adcp/sales' for custom formats)"
+                },
+                "id": {
+                  "type": "string",
+                  "pattern": "^[a-zA-Z0-9_-]+$",
+                  "description": "Format identifier within the agent's namespace (e.g., 'display_static', 'video_hosted', 'audio_standard'). When used alone, references a template format. When combined with dimension/duration fields, creates a parameterized format ID for a specific variant."
+                },
+                "width": {
+                  "type": "integer",
+                  "minimum": 1,
+                  "description": "Width in pixels for visual formats. When specified, height must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+                },
+                "height": {
+                  "type": "integer",
+                  "minimum": 1,
+                  "description": "Height in pixels for visual formats. When specified, width must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+                },
+                "duration_ms": {
+                  "type": "number",
+                  "minimum": 1,
+                  "description": "Duration in milliseconds for time-based formats (video, audio). When specified, creates a parameterized format ID. Omit to reference a template format without parameters."
+                }
+              },
+              "required": [
+                "agent_url",
+                "id"
+              ],
+              "additionalProperties": true,
+              "dependencies": {
+                "width": [
+                  "height"
+                ],
+                "height": [
+                  "width"
+                ]
+              }
+            }
+          },
+          "format_card": {
+            "type": "object",
+            "description": "Optional standard visual card (300x400px) for displaying this format in user interfaces. Can be rendered via preview_creative or pre-generated.",
+            "properties": {
+              "format_id": {
+                "title": "Format ID",
+                "description": "Creative format defining the card layout (typically format_card_standard)",
+                "type": "object",
+                "properties": {
+                  "agent_url": {
+                    "type": "string",
+                    "format": "uri",
+                    "description": "URL of the agent that defines this format (e.g., 'https://creatives.adcontextprotocol.org' for standard formats, or 'https://publisher.com/.well-known/adcp/sales' for custom formats)"
+                  },
+                  "id": {
+                    "type": "string",
+                    "pattern": "^[a-zA-Z0-9_-]+$",
+                    "description": "Format identifier within the agent's namespace (e.g., 'display_static', 'video_hosted', 'audio_standard'). When used alone, references a template format. When combined with dimension/duration fields, creates a parameterized format ID for a specific variant."
+                  },
+                  "width": {
+                    "type": "integer",
+                    "minimum": 1,
+                    "description": "Width in pixels for visual formats. When specified, height must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+                  },
+                  "height": {
+                    "type": "integer",
+                    "minimum": 1,
+                    "description": "Height in pixels for visual formats. When specified, width must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+                  },
+                  "duration_ms": {
+                    "type": "number",
+                    "minimum": 1,
+                    "description": "Duration in milliseconds for time-based formats (video, audio). When specified, creates a parameterized format ID. Omit to reference a template format without parameters."
+                  }
+                },
+                "required": [
+                  "agent_url",
+                  "id"
+                ],
+                "additionalProperties": true,
+                "dependencies": {
+                  "width": [
+                    "height"
+                  ],
+                  "height": [
+                    "width"
+                  ]
+                }
+              },
+              "manifest": {
+                "type": "object",
+                "description": "Asset manifest for rendering the card, structure defined by the format",
+                "additionalProperties": true
+              }
+            },
+            "required": [
+              "format_id",
+              "manifest"
+            ],
+            "additionalProperties": true
+          },
+          "format_card_detailed": {
+            "type": "object",
+            "description": "Optional detailed card with carousel and full specifications. Provides rich format documentation similar to ad spec pages.",
+            "properties": {
+              "format_id": {
+                "title": "Format ID",
+                "description": "Creative format defining the detailed card layout (typically format_card_detailed)",
+                "type": "object",
+                "properties": {
+                  "agent_url": {
+                    "type": "string",
+                    "format": "uri",
+                    "description": "URL of the agent that defines this format (e.g., 'https://creatives.adcontextprotocol.org' for standard formats, or 'https://publisher.com/.well-known/adcp/sales' for custom formats)"
+                  },
+                  "id": {
+                    "type": "string",
+                    "pattern": "^[a-zA-Z0-9_-]+$",
+                    "description": "Format identifier within the agent's namespace (e.g., 'display_static', 'video_hosted', 'audio_standard'). When used alone, references a template format. When combined with dimension/duration fields, creates a parameterized format ID for a specific variant."
+                  },
+                  "width": {
+                    "type": "integer",
+                    "minimum": 1,
+                    "description": "Width in pixels for visual formats. When specified, height must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+                  },
+                  "height": {
+                    "type": "integer",
+                    "minimum": 1,
+                    "description": "Height in pixels for visual formats. When specified, width must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+                  },
+                  "duration_ms": {
+                    "type": "number",
+                    "minimum": 1,
+                    "description": "Duration in milliseconds for time-based formats (video, audio). When specified, creates a parameterized format ID. Omit to reference a template format without parameters."
+                  }
+                },
+                "required": [
+                  "agent_url",
+                  "id"
+                ],
+                "additionalProperties": true,
+                "dependencies": {
+                  "width": [
+                    "height"
+                  ],
+                  "height": [
+                    "width"
+                  ]
+                }
+              },
+              "manifest": {
+                "type": "object",
+                "description": "Asset manifest for rendering the detailed card, structure defined by the format",
+                "additionalProperties": true
+              }
+            },
+            "required": [
+              "format_id",
+              "manifest"
+            ],
+            "additionalProperties": true
+          }
+        },
+        "required": [
+          "format_id",
+          "name",
+          "type"
+        ],
+        "additionalProperties": true
+      }
+    },
+    "creative_agents": {
+      "type": "array",
+      "description": "Optional: Creative agents that provide additional formats. Buyers can recursively query these agents to discover more formats. No authentication required for list_creative_formats.",
+      "items": {
+        "type": "object",
+        "properties": {
+          "agent_url": {
+            "type": "string",
+            "format": "uri",
+            "description": "Base URL for the creative agent (e.g., 'https://reference.adcp.org', 'https://dco.example.com'). Call list_creative_formats on this URL to get its formats."
+          },
+          "agent_name": {
+            "type": "string",
+            "description": "Human-readable name for the creative agent"
+          },
+          "capabilities": {
+            "type": "array",
+            "description": "Capabilities this creative agent provides",
+            "items": {
+              "title": "Creative Agent Capability",
+              "description": "Capabilities supported by creative agents for format handling",
+              "type": "string",
+              "enum": [
+                "validation",
+                "assembly",
+                "generation",
+                "preview"
+              ]
+            }
+          }
+        },
+        "required": [
+          "agent_url"
+        ]
+      }
+    },
+    "errors": {
+      "type": "array",
+      "description": "Task-specific errors and warnings (e.g., format availability issues)",
+      "items": {
+        "title": "Error",
+        "description": "Standard error structure for task-specific errors and warnings",
+        "type": "object",
+        "properties": {
+          "code": {
+            "type": "string",
+            "description": "Error code for programmatic handling"
+          },
+          "message": {
+            "type": "string",
+            "description": "Human-readable error message"
+          },
+          "field": {
+            "type": "string",
+            "description": "Field path associated with the error (e.g., 'packages[0].targeting')"
+          },
+          "suggestion": {
+            "type": "string",
+            "description": "Suggested fix for the error"
+          },
+          "retry_after": {
+            "type": "number",
+            "description": "Seconds to wait before retrying the operation",
+            "minimum": 0
+          },
+          "details": {
+            "type": "object",
+            "description": "Additional task-specific error details",
+            "additionalProperties": true
+          }
+        },
+        "required": [
+          "code",
+          "message"
+        ],
+        "additionalProperties": true
+      }
+    },
+    "context": {
+      "title": "Context Object",
+      "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+      "type": "object",
+      "additionalProperties": true
+    },
+    "ext": {
+      "title": "Extension Object",
+      "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+      "type": "object",
+      "additionalProperties": true
+    }
+  },
+  "required": [
+    "formats"
+  ],
+  "additionalProperties": true,
+  "_bundled": {
+    "generatedAt": "2026-01-07T19:39:14.381Z",
+    "note": "This is a bundled schema with all $ref resolved inline. For the modular version with references, use the parent directory."
+  }
+}
\ No newline at end of file
diff --git a/dist/schemas/2.5.2/bundled/media-buy/list-creatives-request.json b/dist/schemas/2.5.2/bundled/media-buy/list-creatives-request.json
new file mode 100644
index 0000000000..47cf7d2de5
--- /dev/null
+++ b/dist/schemas/2.5.2/bundled/media-buy/list-creatives-request.json
@@ -0,0 +1,294 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/bundled/media-buy/list-creatives-request.json",
+  "title": "List Creatives Request",
+  "description": "Request parameters for querying creative assets from the centralized library with filtering, sorting, and pagination",
+  "type": "object",
+  "properties": {
+    "filters": {
+      "title": "Creative Filters",
+      "description": "Filter criteria for querying creative assets from the centralized library",
+      "type": "object",
+      "properties": {
+        "format": {
+          "type": "string",
+          "description": "Filter by creative format type (e.g., video, audio, display)"
+        },
+        "formats": {
+          "type": "array",
+          "description": "Filter by multiple creative format types",
+          "items": {
+            "type": "string"
+          }
+        },
+        "status": {
+          "title": "Creative Status",
+          "description": "Filter by creative approval status",
+          "type": "string",
+          "enum": [
+            "processing",
+            "approved",
+            "rejected",
+            "pending_review"
+          ],
+          "enumDescriptions": {
+            "processing": "Creative is being processed or transcoded",
+            "approved": "Creative has been approved and is ready for delivery",
+            "rejected": "Creative has been rejected due to policy or technical issues",
+            "pending_review": "Creative is under review"
+          }
+        },
+        "statuses": {
+          "type": "array",
+          "description": "Filter by multiple creative statuses",
+          "items": {
+            "title": "Creative Status",
+            "description": "Status of a creative asset",
+            "type": "string",
+            "enum": [
+              "processing",
+              "approved",
+              "rejected",
+              "pending_review"
+            ],
+            "enumDescriptions": {
+              "processing": "Creative is being processed or transcoded",
+              "approved": "Creative has been approved and is ready for delivery",
+              "rejected": "Creative has been rejected due to policy or technical issues",
+              "pending_review": "Creative is under review"
+            }
+          }
+        },
+        "tags": {
+          "type": "array",
+          "description": "Filter by creative tags (all tags must match)",
+          "items": {
+            "type": "string"
+          }
+        },
+        "tags_any": {
+          "type": "array",
+          "description": "Filter by creative tags (any tag must match)",
+          "items": {
+            "type": "string"
+          }
+        },
+        "name_contains": {
+          "type": "string",
+          "description": "Filter by creative names containing this text (case-insensitive)"
+        },
+        "creative_ids": {
+          "type": "array",
+          "description": "Filter by specific creative IDs",
+          "items": {
+            "type": "string"
+          },
+          "maxItems": 100
+        },
+        "created_after": {
+          "type": "string",
+          "format": "date-time",
+          "description": "Filter creatives created after this date (ISO 8601)"
+        },
+        "created_before": {
+          "type": "string",
+          "format": "date-time",
+          "description": "Filter creatives created before this date (ISO 8601)"
+        },
+        "updated_after": {
+          "type": "string",
+          "format": "date-time",
+          "description": "Filter creatives last updated after this date (ISO 8601)"
+        },
+        "updated_before": {
+          "type": "string",
+          "format": "date-time",
+          "description": "Filter creatives last updated before this date (ISO 8601)"
+        },
+        "assigned_to_package": {
+          "type": "string",
+          "description": "Filter creatives assigned to this specific package"
+        },
+        "assigned_to_packages": {
+          "type": "array",
+          "description": "Filter creatives assigned to any of these packages",
+          "items": {
+            "type": "string"
+          }
+        },
+        "media_buy_ids": {
+          "type": "array",
+          "description": "Filter creatives assigned to any of these media buys",
+          "items": {
+            "type": "string"
+          }
+        },
+        "buyer_refs": {
+          "type": "array",
+          "description": "Filter creatives assigned to media buys with any of these buyer references",
+          "items": {
+            "type": "string"
+          }
+        },
+        "unassigned": {
+          "type": "boolean",
+          "description": "Filter for unassigned creatives when true, assigned creatives when false"
+        },
+        "has_performance_data": {
+          "type": "boolean",
+          "description": "Filter creatives that have performance data when true"
+        }
+      },
+      "additionalProperties": true
+    },
+    "sort": {
+      "type": "object",
+      "description": "Sorting parameters",
+      "properties": {
+        "field": {
+          "title": "Creative Sort Field",
+          "description": "Field to sort by",
+          "type": "string",
+          "enum": [
+            "created_date",
+            "updated_date",
+            "name",
+            "status",
+            "assignment_count",
+            "performance_score"
+          ],
+          "default": "created_date"
+        },
+        "direction": {
+          "title": "Sort Direction",
+          "description": "Sort direction",
+          "type": "string",
+          "enum": [
+            "asc",
+            "desc"
+          ],
+          "default": "desc"
+        }
+      },
+      "additionalProperties": true
+    },
+    "pagination": {
+      "type": "object",
+      "description": "Pagination parameters",
+      "properties": {
+        "limit": {
+          "type": "integer",
+          "minimum": 1,
+          "maximum": 100,
+          "default": 50,
+          "description": "Maximum number of creatives to return"
+        },
+        "offset": {
+          "type": "integer",
+          "minimum": 0,
+          "default": 0,
+          "description": "Number of creatives to skip"
+        }
+      },
+      "additionalProperties": true
+    },
+    "include_assignments": {
+      "type": "boolean",
+      "default": true,
+      "description": "Include package assignment information in response"
+    },
+    "include_performance": {
+      "type": "boolean",
+      "default": false,
+      "description": "Include aggregated performance metrics in response"
+    },
+    "include_sub_assets": {
+      "type": "boolean",
+      "default": false,
+      "description": "Include sub-assets (for carousel/native formats) in response"
+    },
+    "fields": {
+      "type": "array",
+      "description": "Specific fields to include in response (omit for all fields)",
+      "items": {
+        "type": "string",
+        "enum": [
+          "creative_id",
+          "name",
+          "format",
+          "status",
+          "created_date",
+          "updated_date",
+          "tags",
+          "assignments",
+          "performance",
+          "sub_assets"
+        ]
+      }
+    },
+    "context": {
+      "title": "Context Object",
+      "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+      "type": "object",
+      "additionalProperties": true
+    },
+    "ext": {
+      "title": "Extension Object",
+      "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+      "type": "object",
+      "additionalProperties": true
+    }
+  },
+  "additionalProperties": true,
+  "examples": [
+    {
+      "description": "List all approved video creatives",
+      "data": {
+        "filters": {
+          "format": "video",
+          "status": "approved"
+        }
+      }
+    },
+    {
+      "description": "Search for Nike creatives with performance data",
+      "data": {
+        "filters": {
+          "name_contains": "nike",
+          "has_performance_data": true
+        },
+        "include_performance": true
+      }
+    },
+    {
+      "description": "Get unassigned creatives for assignment",
+      "data": {
+        "filters": {
+          "unassigned": true
+        },
+        "sort": {
+          "field": "created_date",
+          "direction": "desc"
+        },
+        "pagination": {
+          "limit": 20
+        }
+      }
+    },
+    {
+      "description": "Lightweight list with minimal fields",
+      "data": {
+        "fields": [
+          "creative_id",
+          "name",
+          "status"
+        ],
+        "include_assignments": false
+      }
+    }
+  ],
+  "_bundled": {
+    "generatedAt": "2026-01-07T19:39:14.381Z",
+    "note": "This is a bundled schema with all $ref resolved inline. For the modular version with references, use the parent directory."
+  }
+}
\ No newline at end of file
diff --git a/dist/schemas/2.5.2/bundled/media-buy/list-creatives-response.json b/dist/schemas/2.5.2/bundled/media-buy/list-creatives-response.json
new file mode 100644
index 0000000000..9fceef4272
--- /dev/null
+++ b/dist/schemas/2.5.2/bundled/media-buy/list-creatives-response.json
@@ -0,0 +1,1654 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/bundled/media-buy/list-creatives-response.json",
+  "title": "List Creatives Response",
+  "description": "Response from creative library query with filtered results, metadata, and optional enriched data",
+  "type": "object",
+  "properties": {
+    "query_summary": {
+      "type": "object",
+      "description": "Summary of the query that was executed",
+      "properties": {
+        "total_matching": {
+          "type": "integer",
+          "description": "Total number of creatives matching filters (across all pages)",
+          "minimum": 0
+        },
+        "returned": {
+          "type": "integer",
+          "description": "Number of creatives returned in this response",
+          "minimum": 0
+        },
+        "filters_applied": {
+          "type": "array",
+          "description": "List of filters that were applied to the query",
+          "items": {
+            "type": "string"
+          }
+        },
+        "sort_applied": {
+          "type": "object",
+          "description": "Sort order that was applied",
+          "properties": {
+            "field": {
+              "type": "string"
+            },
+            "direction": {
+              "title": "Sort Direction",
+              "description": "Sort direction for list queries",
+              "type": "string",
+              "enum": [
+                "asc",
+                "desc"
+              ]
+            }
+          }
+        }
+      },
+      "required": [
+        "total_matching",
+        "returned"
+      ],
+      "additionalProperties": true
+    },
+    "pagination": {
+      "type": "object",
+      "description": "Pagination information for navigating results",
+      "properties": {
+        "limit": {
+          "type": "integer",
+          "description": "Maximum number of results requested",
+          "minimum": 1
+        },
+        "offset": {
+          "type": "integer",
+          "description": "Number of results skipped",
+          "minimum": 0
+        },
+        "has_more": {
+          "type": "boolean",
+          "description": "Whether more results are available"
+        },
+        "total_pages": {
+          "type": "integer",
+          "description": "Total number of pages available",
+          "minimum": 0
+        },
+        "current_page": {
+          "type": "integer",
+          "description": "Current page number (1-based)",
+          "minimum": 1
+        }
+      },
+      "required": [
+        "limit",
+        "offset",
+        "has_more"
+      ],
+      "additionalProperties": true
+    },
+    "creatives": {
+      "type": "array",
+      "description": "Array of creative assets matching the query",
+      "items": {
+        "type": "object",
+        "properties": {
+          "creative_id": {
+            "type": "string",
+            "description": "Unique identifier for the creative"
+          },
+          "name": {
+            "type": "string",
+            "description": "Human-readable creative name"
+          },
+          "format_id": {
+            "title": "Format ID",
+            "description": "Format identifier specifying which format this creative conforms to",
+            "type": "object",
+            "properties": {
+              "agent_url": {
+                "type": "string",
+                "format": "uri",
+                "description": "URL of the agent that defines this format (e.g., 'https://creatives.adcontextprotocol.org' for standard formats, or 'https://publisher.com/.well-known/adcp/sales' for custom formats)"
+              },
+              "id": {
+                "type": "string",
+                "pattern": "^[a-zA-Z0-9_-]+$",
+                "description": "Format identifier within the agent's namespace (e.g., 'display_static', 'video_hosted', 'audio_standard'). When used alone, references a template format. When combined with dimension/duration fields, creates a parameterized format ID for a specific variant."
+              },
+              "width": {
+                "type": "integer",
+                "minimum": 1,
+                "description": "Width in pixels for visual formats. When specified, height must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+              },
+              "height": {
+                "type": "integer",
+                "minimum": 1,
+                "description": "Height in pixels for visual formats. When specified, width must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+              },
+              "duration_ms": {
+                "type": "number",
+                "minimum": 1,
+                "description": "Duration in milliseconds for time-based formats (video, audio). When specified, creates a parameterized format ID. Omit to reference a template format without parameters."
+              }
+            },
+            "required": [
+              "agent_url",
+              "id"
+            ],
+            "additionalProperties": true,
+            "dependencies": {
+              "width": [
+                "height"
+              ],
+              "height": [
+                "width"
+              ]
+            }
+          },
+          "status": {
+            "title": "Creative Status",
+            "description": "Current approval status of the creative",
+            "type": "string",
+            "enum": [
+              "processing",
+              "approved",
+              "rejected",
+              "pending_review"
+            ],
+            "enumDescriptions": {
+              "processing": "Creative is being processed or transcoded",
+              "approved": "Creative has been approved and is ready for delivery",
+              "rejected": "Creative has been rejected due to policy or technical issues",
+              "pending_review": "Creative is under review"
+            }
+          },
+          "created_date": {
+            "type": "string",
+            "format": "date-time",
+            "description": "When the creative was uploaded to the library"
+          },
+          "updated_date": {
+            "type": "string",
+            "format": "date-time",
+            "description": "When the creative was last modified"
+          },
+          "assets": {
+            "type": "object",
+            "description": "Assets for this creative, keyed by asset_role",
+            "patternProperties": {
+              "^[a-zA-Z0-9_-]+$": {
+                "oneOf": [
+                  {
+                    "title": "Image Asset",
+                    "description": "Image asset with URL and dimensions",
+                    "type": "object",
+                    "properties": {
+                      "url": {
+                        "type": "string",
+                        "format": "uri",
+                        "description": "URL to the image asset"
+                      },
+                      "width": {
+                        "type": "integer",
+                        "minimum": 1,
+                        "description": "Width in pixels"
+                      },
+                      "height": {
+                        "type": "integer",
+                        "minimum": 1,
+                        "description": "Height in pixels"
+                      },
+                      "format": {
+                        "type": "string",
+                        "description": "Image file format (jpg, png, gif, webp, etc.)"
+                      },
+                      "alt_text": {
+                        "type": "string",
+                        "description": "Alternative text for accessibility"
+                      }
+                    },
+                    "required": [
+                      "url",
+                      "width",
+                      "height"
+                    ],
+                    "additionalProperties": true
+                  },
+                  {
+                    "title": "Video Asset",
+                    "description": "Video asset with URL and specifications",
+                    "type": "object",
+                    "properties": {
+                      "url": {
+                        "type": "string",
+                        "format": "uri",
+                        "description": "URL to the video asset"
+                      },
+                      "width": {
+                        "type": "integer",
+                        "minimum": 1,
+                        "description": "Width in pixels"
+                      },
+                      "height": {
+                        "type": "integer",
+                        "minimum": 1,
+                        "description": "Height in pixels"
+                      },
+                      "duration_ms": {
+                        "type": "integer",
+                        "description": "Video duration in milliseconds",
+                        "minimum": 1
+                      },
+                      "format": {
+                        "type": "string",
+                        "description": "Video file format (mp4, webm, mov, etc.)"
+                      },
+                      "bitrate_kbps": {
+                        "type": "integer",
+                        "description": "Video bitrate in kilobits per second",
+                        "minimum": 1
+                      }
+                    },
+                    "required": [
+                      "url",
+                      "width",
+                      "height"
+                    ],
+                    "additionalProperties": true
+                  },
+                  {
+                    "title": "Audio Asset",
+                    "description": "Audio asset with URL and specifications",
+                    "type": "object",
+                    "properties": {
+                      "url": {
+                        "type": "string",
+                        "format": "uri",
+                        "description": "URL to the audio asset"
+                      },
+                      "duration_ms": {
+                        "type": "integer",
+                        "description": "Audio duration in milliseconds",
+                        "minimum": 0
+                      },
+                      "format": {
+                        "type": "string",
+                        "description": "Audio file format (mp3, wav, aac, etc.)"
+                      },
+                      "bitrate_kbps": {
+                        "type": "integer",
+                        "description": "Audio bitrate in kilobits per second",
+                        "minimum": 1
+                      }
+                    },
+                    "required": [
+                      "url"
+                    ],
+                    "additionalProperties": true
+                  },
+                  {
+                    "title": "Text Asset",
+                    "description": "Text content asset",
+                    "type": "object",
+                    "properties": {
+                      "content": {
+                        "type": "string",
+                        "description": "Text content"
+                      },
+                      "language": {
+                        "type": "string",
+                        "description": "Language code (e.g., 'en', 'es', 'fr')"
+                      }
+                    },
+                    "required": [
+                      "content"
+                    ],
+                    "additionalProperties": true
+                  },
+                  {
+                    "title": "HTML Asset",
+                    "description": "HTML content asset",
+                    "type": "object",
+                    "properties": {
+                      "content": {
+                        "type": "string",
+                        "description": "HTML content"
+                      },
+                      "version": {
+                        "type": "string",
+                        "description": "HTML version (e.g., 'HTML5')"
+                      }
+                    },
+                    "required": [
+                      "content"
+                    ],
+                    "additionalProperties": true
+                  },
+                  {
+                    "title": "CSS Asset",
+                    "description": "CSS stylesheet asset",
+                    "type": "object",
+                    "properties": {
+                      "content": {
+                        "type": "string",
+                        "description": "CSS content"
+                      },
+                      "media": {
+                        "type": "string",
+                        "description": "CSS media query context (e.g., 'screen', 'print')"
+                      }
+                    },
+                    "required": [
+                      "content"
+                    ],
+                    "additionalProperties": true
+                  },
+                  {
+                    "title": "JavaScript Asset",
+                    "description": "JavaScript code asset",
+                    "type": "object",
+                    "properties": {
+                      "content": {
+                        "type": "string",
+                        "description": "JavaScript content"
+                      },
+                      "module_type": {
+                        "title": "JavaScript Module Type",
+                        "description": "JavaScript module type",
+                        "type": "string",
+                        "enum": [
+                          "esm",
+                          "commonjs",
+                          "script"
+                        ]
+                      }
+                    },
+                    "required": [
+                      "content"
+                    ],
+                    "additionalProperties": true
+                  },
+                  {
+                    "title": "VAST Asset",
+                    "description": "VAST (Video Ad Serving Template) tag for third-party video ad serving",
+                    "oneOf": [
+                      {
+                        "type": "object",
+                        "properties": {
+                          "delivery_type": {
+                            "type": "string",
+                            "const": "url",
+                            "description": "Discriminator indicating VAST is delivered via URL endpoint"
+                          },
+                          "url": {
+                            "type": "string",
+                            "format": "uri",
+                            "description": "URL endpoint that returns VAST XML"
+                          },
+                          "vast_version": {
+                            "title": "VAST Version",
+                            "description": "VAST specification version",
+                            "type": "string",
+                            "enum": [
+                              "2.0",
+                              "3.0",
+                              "4.0",
+                              "4.1",
+                              "4.2"
+                            ]
+                          },
+                          "vpaid_enabled": {
+                            "type": "boolean",
+                            "description": "Whether VPAID (Video Player-Ad Interface Definition) is supported"
+                          },
+                          "duration_ms": {
+                            "type": "integer",
+                            "description": "Expected video duration in milliseconds (if known)",
+                            "minimum": 0
+                          },
+                          "tracking_events": {
+                            "type": "array",
+                            "items": {
+                              "title": "VAST Tracking Event",
+                              "description": "Standard VAST tracking events for video ad playback and interaction",
+                              "type": "string",
+                              "enum": [
+                                "start",
+                                "firstQuartile",
+                                "midpoint",
+                                "thirdQuartile",
+                                "complete",
+                                "impression",
+                                "click",
+                                "pause",
+                                "resume",
+                                "skip",
+                                "mute",
+                                "unmute",
+                                "fullscreen",
+                                "exitFullscreen",
+                                "playerExpand",
+                                "playerCollapse"
+                              ]
+                            },
+                            "description": "Tracking events supported by this VAST tag"
+                          }
+                        },
+                        "required": [
+                          "delivery_type",
+                          "url"
+                        ],
+                        "additionalProperties": true
+                      },
+                      {
+                        "type": "object",
+                        "properties": {
+                          "delivery_type": {
+                            "type": "string",
+                            "const": "inline",
+                            "description": "Discriminator indicating VAST is delivered as inline XML content"
+                          },
+                          "content": {
+                            "type": "string",
+                            "description": "Inline VAST XML content"
+                          },
+                          "vast_version": {
+                            "title": "VAST Version",
+                            "description": "VAST specification version",
+                            "type": "string",
+                            "enum": [
+                              "2.0",
+                              "3.0",
+                              "4.0",
+                              "4.1",
+                              "4.2"
+                            ]
+                          },
+                          "vpaid_enabled": {
+                            "type": "boolean",
+                            "description": "Whether VPAID (Video Player-Ad Interface Definition) is supported"
+                          },
+                          "duration_ms": {
+                            "type": "integer",
+                            "description": "Expected video duration in milliseconds (if known)",
+                            "minimum": 0
+                          },
+                          "tracking_events": {
+                            "type": "array",
+                            "items": {
+                              "title": "VAST Tracking Event",
+                              "description": "Standard VAST tracking events for video ad playback and interaction",
+                              "type": "string",
+                              "enum": [
+                                "start",
+                                "firstQuartile",
+                                "midpoint",
+                                "thirdQuartile",
+                                "complete",
+                                "impression",
+                                "click",
+                                "pause",
+                                "resume",
+                                "skip",
+                                "mute",
+                                "unmute",
+                                "fullscreen",
+                                "exitFullscreen",
+                                "playerExpand",
+                                "playerCollapse"
+                              ]
+                            },
+                            "description": "Tracking events supported by this VAST tag"
+                          }
+                        },
+                        "required": [
+                          "delivery_type",
+                          "content"
+                        ],
+                        "additionalProperties": true
+                      }
+                    ]
+                  },
+                  {
+                    "title": "DAAST Asset",
+                    "description": "DAAST (Digital Audio Ad Serving Template) tag for third-party audio ad serving",
+                    "oneOf": [
+                      {
+                        "type": "object",
+                        "properties": {
+                          "delivery_type": {
+                            "type": "string",
+                            "const": "url",
+                            "description": "Discriminator indicating DAAST is delivered via URL endpoint"
+                          },
+                          "url": {
+                            "type": "string",
+                            "format": "uri",
+                            "description": "URL endpoint that returns DAAST XML"
+                          },
+                          "daast_version": {
+                            "title": "DAAST Version",
+                            "description": "DAAST specification version",
+                            "type": "string",
+                            "enum": [
+                              "1.0",
+                              "1.1"
+                            ]
+                          },
+                          "duration_ms": {
+                            "type": "integer",
+                            "description": "Expected audio duration in milliseconds (if known)",
+                            "minimum": 0
+                          },
+                          "tracking_events": {
+                            "type": "array",
+                            "items": {
+                              "title": "DAAST Tracking Event",
+                              "description": "Standard DAAST tracking events for audio ad playback and interaction",
+                              "type": "string",
+                              "enum": [
+                                "start",
+                                "firstQuartile",
+                                "midpoint",
+                                "thirdQuartile",
+                                "complete",
+                                "impression",
+                                "pause",
+                                "resume",
+                                "skip",
+                                "mute",
+                                "unmute"
+                              ]
+                            },
+                            "description": "Tracking events supported by this DAAST tag"
+                          },
+                          "companion_ads": {
+                            "type": "boolean",
+                            "description": "Whether companion display ads are included"
+                          }
+                        },
+                        "required": [
+                          "delivery_type",
+                          "url"
+                        ],
+                        "additionalProperties": true
+                      },
+                      {
+                        "type": "object",
+                        "properties": {
+                          "delivery_type": {
+                            "type": "string",
+                            "const": "inline",
+                            "description": "Discriminator indicating DAAST is delivered as inline XML content"
+                          },
+                          "content": {
+                            "type": "string",
+                            "description": "Inline DAAST XML content"
+                          },
+                          "daast_version": {
+                            "title": "DAAST Version",
+                            "description": "DAAST specification version",
+                            "type": "string",
+                            "enum": [
+                              "1.0",
+                              "1.1"
+                            ]
+                          },
+                          "duration_ms": {
+                            "type": "integer",
+                            "description": "Expected audio duration in milliseconds (if known)",
+                            "minimum": 0
+                          },
+                          "tracking_events": {
+                            "type": "array",
+                            "items": {
+                              "title": "DAAST Tracking Event",
+                              "description": "Standard DAAST tracking events for audio ad playback and interaction",
+                              "type": "string",
+                              "enum": [
+                                "start",
+                                "firstQuartile",
+                                "midpoint",
+                                "thirdQuartile",
+                                "complete",
+                                "impression",
+                                "pause",
+                                "resume",
+                                "skip",
+                                "mute",
+                                "unmute"
+                              ]
+                            },
+                            "description": "Tracking events supported by this DAAST tag"
+                          },
+                          "companion_ads": {
+                            "type": "boolean",
+                            "description": "Whether companion display ads are included"
+                          }
+                        },
+                        "required": [
+                          "delivery_type",
+                          "content"
+                        ],
+                        "additionalProperties": true
+                      }
+                    ]
+                  },
+                  {
+                    "title": "Promoted Offerings",
+                    "description": "Complete offering specification combining brand manifest, product selectors, and asset filters. Provides all context needed for creative generation about what is being promoted.",
+                    "type": "object",
+                    "properties": {
+                      "brand_manifest": {
+                        "title": "Brand Manifest Reference",
+                        "description": "Brand information manifest containing assets, themes, and guidelines. Can be provided inline or as a URL reference to a hosted manifest.",
+                        "oneOf": [
+                          {
+                            "title": "Brand Manifest",
+                            "description": "Inline brand manifest object",
+                            "type": "object",
+                            "properties": {
+                              "url": {
+                                "type": "string",
+                                "format": "uri",
+                                "description": "Primary brand URL for context and asset discovery. Creative agents can infer brand information from this URL."
+                              },
+                              "name": {
+                                "type": "string",
+                                "description": "Brand or business name"
+                              },
+                              "logos": {
+                                "type": "array",
+                                "description": "Brand logo assets with semantic tags for different use cases",
+                                "items": {
+                                  "type": "object",
+                                  "properties": {
+                                    "url": {
+                                      "type": "string",
+                                      "format": "uri",
+                                      "description": "URL to the logo asset"
+                                    },
+                                    "tags": {
+                                      "type": "array",
+                                      "description": "Semantic tags describing the logo variant (e.g., 'dark', 'light', 'square', 'horizontal', 'icon')",
+                                      "items": {
+                                        "type": "string"
+                                      }
+                                    },
+                                    "width": {
+                                      "type": "integer",
+                                      "description": "Logo width in pixels"
+                                    },
+                                    "height": {
+                                      "type": "integer",
+                                      "description": "Logo height in pixels"
+                                    }
+                                  },
+                                  "required": [
+                                    "url"
+                                  ]
+                                }
+                              },
+                              "colors": {
+                                "type": "object",
+                                "description": "Brand color palette",
+                                "properties": {
+                                  "primary": {
+                                    "type": "string",
+                                    "pattern": "^#[0-9A-Fa-f]{6}$",
+                                    "description": "Primary brand color (hex format)"
+                                  },
+                                  "secondary": {
+                                    "type": "string",
+                                    "pattern": "^#[0-9A-Fa-f]{6}$",
+                                    "description": "Secondary brand color (hex format)"
+                                  },
+                                  "accent": {
+                                    "type": "string",
+                                    "pattern": "^#[0-9A-Fa-f]{6}$",
+                                    "description": "Accent color (hex format)"
+                                  },
+                                  "background": {
+                                    "type": "string",
+                                    "pattern": "^#[0-9A-Fa-f]{6}$",
+                                    "description": "Background color (hex format)"
+                                  },
+                                  "text": {
+                                    "type": "string",
+                                    "pattern": "^#[0-9A-Fa-f]{6}$",
+                                    "description": "Text color (hex format)"
+                                  }
+                                }
+                              },
+                              "fonts": {
+                                "type": "object",
+                                "description": "Brand typography guidelines",
+                                "properties": {
+                                  "primary": {
+                                    "type": "string",
+                                    "description": "Primary font family name"
+                                  },
+                                  "secondary": {
+                                    "type": "string",
+                                    "description": "Secondary font family name"
+                                  },
+                                  "font_urls": {
+                                    "type": "array",
+                                    "description": "URLs to web font files if using custom fonts",
+                                    "items": {
+                                      "type": "string",
+                                      "format": "uri"
+                                    }
+                                  }
+                                }
+                              },
+                              "tone": {
+                                "type": "string",
+                                "description": "Brand voice and messaging tone (e.g., 'professional', 'casual', 'humorous', 'trustworthy', 'innovative')"
+                              },
+                              "tagline": {
+                                "type": "string",
+                                "description": "Brand tagline or slogan"
+                              },
+                              "assets": {
+                                "type": "array",
+                                "description": "Brand asset library with explicit assets and tags. Assets are referenced inline with URLs pointing to CDN-hosted files.",
+                                "items": {
+                                  "type": "object",
+                                  "properties": {
+                                    "asset_id": {
+                                      "type": "string",
+                                      "description": "Unique identifier for this asset"
+                                    },
+                                    "asset_type": {
+                                      "title": "Asset Content Type",
+                                      "description": "Type of asset. Note: Brand manifests typically contain basic media assets (image, video, audio, text). Code assets (html, javascript, css) and ad markup (vast, daast) are usually not part of brand asset libraries.",
+                                      "type": "string",
+                                      "enum": [
+                                        "image",
+                                        "video",
+                                        "audio",
+                                        "text",
+                                        "markdown",
+                                        "html",
+                                        "css",
+                                        "javascript",
+                                        "vast",
+                                        "daast",
+                                        "promoted_offerings",
+                                        "url",
+                                        "webhook"
+                                      ]
+                                    },
+                                    "url": {
+                                      "type": "string",
+                                      "format": "uri",
+                                      "description": "URL to CDN-hosted asset file"
+                                    },
+                                    "tags": {
+                                      "type": "array",
+                                      "description": "Tags for asset discovery (e.g., 'holiday', 'lifestyle', 'product_shot')",
+                                      "items": {
+                                        "type": "string"
+                                      }
+                                    },
+                                    "name": {
+                                      "type": "string",
+                                      "description": "Human-readable asset name"
+                                    },
+                                    "description": {
+                                      "type": "string",
+                                      "description": "Asset description or usage notes"
+                                    },
+                                    "width": {
+                                      "type": "integer",
+                                      "description": "Image/video width in pixels"
+                                    },
+                                    "height": {
+                                      "type": "integer",
+                                      "description": "Image/video height in pixels"
+                                    },
+                                    "duration_seconds": {
+                                      "type": "number",
+                                      "description": "Video/audio duration in seconds"
+                                    },
+                                    "file_size_bytes": {
+                                      "type": "integer",
+                                      "description": "File size in bytes"
+                                    },
+                                    "format": {
+                                      "type": "string",
+                                      "description": "File format (e.g., 'jpg', 'mp4', 'mp3')"
+                                    },
+                                    "metadata": {
+                                      "type": "object",
+                                      "description": "Additional asset-specific metadata",
+                                      "additionalProperties": true
+                                    }
+                                  },
+                                  "required": [
+                                    "asset_id",
+                                    "asset_type",
+                                    "url"
+                                  ],
+                                  "additionalProperties": true
+                                }
+                              },
+                              "product_catalog": {
+                                "type": "object",
+                                "description": "Product catalog information for e-commerce advertisers. Enables SKU-level creative generation and product selection.",
+                                "properties": {
+                                  "feed_url": {
+                                    "type": "string",
+                                    "format": "uri",
+                                    "description": "URL to product catalog feed"
+                                  },
+                                  "feed_format": {
+                                    "type": "string",
+                                    "enum": [
+                                      "google_merchant_center",
+                                      "facebook_catalog",
+                                      "custom"
+                                    ],
+                                    "default": "google_merchant_center",
+                                    "description": "Format of the product feed"
+                                  },
+                                  "categories": {
+                                    "type": "array",
+                                    "description": "Product categories available in the catalog (for filtering)",
+                                    "items": {
+                                      "type": "string"
+                                    }
+                                  },
+                                  "last_updated": {
+                                    "type": "string",
+                                    "format": "date-time",
+                                    "description": "When the product catalog was last updated"
+                                  },
+                                  "update_frequency": {
+                                    "type": "string",
+                                    "enum": [
+                                      "realtime",
+                                      "hourly",
+                                      "daily",
+                                      "weekly"
+                                    ],
+                                    "description": "How frequently the product catalog is updated"
+                                  }
+                                },
+                                "required": [
+                                  "feed_url"
+                                ],
+                                "additionalProperties": true
+                              },
+                              "disclaimers": {
+                                "type": "array",
+                                "description": "Legal disclaimers or required text that must appear in creatives",
+                                "items": {
+                                  "type": "object",
+                                  "properties": {
+                                    "text": {
+                                      "type": "string",
+                                      "description": "Disclaimer text"
+                                    },
+                                    "context": {
+                                      "type": "string",
+                                      "description": "When this disclaimer applies (e.g., 'financial_products', 'health_claims', 'all')"
+                                    },
+                                    "required": {
+                                      "type": "boolean",
+                                      "description": "Whether this disclaimer must appear",
+                                      "default": true
+                                    }
+                                  },
+                                  "required": [
+                                    "text"
+                                  ]
+                                }
+                              },
+                              "industry": {
+                                "type": "string",
+                                "description": "Industry or vertical (e.g., 'retail', 'automotive', 'finance', 'healthcare')"
+                              },
+                              "target_audience": {
+                                "type": "string",
+                                "description": "Primary target audience description"
+                              },
+                              "contact": {
+                                "type": "object",
+                                "description": "Brand contact information",
+                                "properties": {
+                                  "email": {
+                                    "type": "string",
+                                    "format": "email",
+                                    "description": "Contact email"
+                                  },
+                                  "phone": {
+                                    "type": "string",
+                                    "description": "Contact phone number"
+                                  }
+                                }
+                              },
+                              "metadata": {
+                                "type": "object",
+                                "description": "Additional brand metadata",
+                                "properties": {
+                                  "created_date": {
+                                    "type": "string",
+                                    "format": "date-time",
+                                    "description": "When this brand manifest was created"
+                                  },
+                                  "updated_date": {
+                                    "type": "string",
+                                    "format": "date-time",
+                                    "description": "When this brand manifest was last updated"
+                                  },
+                                  "version": {
+                                    "type": "string",
+                                    "description": "Brand card version number"
+                                  }
+                                }
+                              }
+                            },
+                            "required": [
+                              "name"
+                            ],
+                            "additionalProperties": true,
+                            "examples": [
+                              {
+                                "description": "Example with both URL and name",
+                                "data": {
+                                  "url": "https://bobsfunburgers.com",
+                                  "name": "Bob's Fun Burgers"
+                                }
+                              },
+                              {
+                                "description": "Example: white-label brand without dedicated URL",
+                                "data": {
+                                  "name": "Great Value",
+                                  "colors": {
+                                    "primary": "#0071CE",
+                                    "secondary": "#FFC220"
+                                  },
+                                  "tone": "affordable and trustworthy"
+                                }
+                              },
+                              {
+                                "description": "Full brand manifest with all fields",
+                                "data": {
+                                  "url": "https://acmecorp.com",
+                                  "name": "ACME Corporation",
+                                  "logos": [
+                                    {
+                                      "url": "https://cdn.acmecorp.com/logo-square-dark.png",
+                                      "tags": [
+                                        "dark",
+                                        "square"
+                                      ],
+                                      "width": 512,
+                                      "height": 512
+                                    },
+                                    {
+                                      "url": "https://cdn.acmecorp.com/logo-horizontal-light.png",
+                                      "tags": [
+                                        "light",
+                                        "horizontal"
+                                      ],
+                                      "width": 1200,
+                                      "height": 400
+                                    }
+                                  ],
+                                  "colors": {
+                                    "primary": "#FF6B35",
+                                    "secondary": "#004E89",
+                                    "accent": "#F7931E",
+                                    "background": "#FFFFFF",
+                                    "text": "#1A1A1A"
+                                  },
+                                  "fonts": {
+                                    "primary": "Helvetica Neue",
+                                    "secondary": "Georgia"
+                                  },
+                                  "tone": "professional and trustworthy",
+                                  "tagline": "Innovation You Can Trust",
+                                  "assets": [
+                                    {
+                                      "asset_id": "hero_winter_2024",
+                                      "asset_type": "image",
+                                      "url": "https://cdn.acmecorp.com/hero-winter-2024.jpg",
+                                      "tags": [
+                                        "hero",
+                                        "winter",
+                                        "holiday",
+                                        "lifestyle"
+                                      ],
+                                      "name": "Winter Campaign Hero",
+                                      "width": 1920,
+                                      "height": 1080,
+                                      "format": "jpg"
+                                    },
+                                    {
+                                      "asset_id": "product_video_30s",
+                                      "asset_type": "video",
+                                      "url": "https://cdn.acmecorp.com/product-demo-30s.mp4",
+                                      "tags": [
+                                        "product",
+                                        "demo",
+                                        "30s"
+                                      ],
+                                      "name": "Product Demo 30 Second",
+                                      "width": 1920,
+                                      "height": 1080,
+                                      "duration_seconds": 30,
+                                      "format": "mp4"
+                                    }
+                                  ],
+                                  "product_catalog": {
+                                    "feed_url": "https://acmecorp.com/products.xml",
+                                    "feed_format": "google_merchant_center",
+                                    "categories": [
+                                      "electronics/computers",
+                                      "electronics/accessories"
+                                    ],
+                                    "last_updated": "2024-03-15T10:00:00Z",
+                                    "update_frequency": "hourly"
+                                  },
+                                  "disclaimers": [
+                                    {
+                                      "text": "Results may vary. Consult a professional before use.",
+                                      "context": "health_claims",
+                                      "required": true
+                                    }
+                                  ],
+                                  "industry": "technology",
+                                  "target_audience": "business decision-makers aged 35-55"
+                                }
+                              }
+                            ]
+                          },
+                          {
+                            "type": "string",
+                            "format": "uri",
+                            "description": "URL to a hosted brand manifest JSON file. The manifest at this URL must conform to the brand-manifest.json schema."
+                          }
+                        ],
+                        "examples": [
+                          {
+                            "description": "Inline brand manifest",
+                            "data": {
+                              "url": "https://acmecorp.com",
+                              "name": "ACME Corporation",
+                              "colors": {
+                                "primary": "#FF6B35"
+                              }
+                            }
+                          },
+                          {
+                            "description": "URL string reference to hosted manifest",
+                            "data": "https://cdn.acmecorp.com/brand-manifest.json"
+                          }
+                        ]
+                      },
+                      "product_selectors": {
+                        "title": "Promoted Products",
+                        "description": "Selectors to choose which products/offerings from the brand manifest product catalog to promote",
+                        "type": "object",
+                        "properties": {
+                          "manifest_skus": {
+                            "type": "array",
+                            "description": "Direct product SKU references from the brand manifest product catalog",
+                            "items": {
+                              "type": "string"
+                            }
+                          },
+                          "manifest_tags": {
+                            "type": "array",
+                            "description": "Select products by tags from the brand manifest product catalog (e.g., 'organic', 'sauces', 'holiday')",
+                            "items": {
+                              "type": "string"
+                            }
+                          },
+                          "manifest_category": {
+                            "type": "string",
+                            "description": "Select products from a specific category in the brand manifest product catalog (e.g., 'beverages/soft-drinks', 'food/sauces')"
+                          },
+                          "manifest_query": {
+                            "type": "string",
+                            "description": "Natural language query to select products from the brand manifest (e.g., 'all Kraft Heinz pasta sauces', 'organic products under $20')"
+                          }
+                        },
+                        "additionalProperties": true,
+                        "examples": [
+                          {
+                            "description": "Direct SKU selection for specific products from brand manifest",
+                            "data": {
+                              "manifest_skus": [
+                                "SKU-12345",
+                                "SKU-67890"
+                              ]
+                            }
+                          },
+                          {
+                            "description": "UNION selection: products tagged 'organic' OR 'sauces' OR in 'food/condiments' category from brand manifest",
+                            "data": {
+                              "manifest_tags": [
+                                "organic",
+                                "sauces"
+                              ],
+                              "manifest_category": "food/condiments"
+                            }
+                          },
+                          {
+                            "description": "Natural language product selection from brand manifest",
+                            "data": {
+                              "manifest_query": "all Kraft Heinz pasta sauces under $5"
+                            }
+                          },
+                          {
+                            "description": "Select products by tags",
+                            "data": {
+                              "manifest_tags": [
+                                "holiday"
+                              ]
+                            }
+                          }
+                        ]
+                      },
+                      "offerings": {
+                        "type": "array",
+                        "description": "Inline offerings for campaigns without a product catalog. Each offering has a name, description, and associated assets.",
+                        "items": {
+                          "type": "object",
+                          "properties": {
+                            "name": {
+                              "type": "string",
+                              "description": "Offering name (e.g., 'Winter Sale', 'New Product Launch')"
+                            },
+                            "description": {
+                              "type": "string",
+                              "description": "Description of what's being offered"
+                            },
+                            "assets": {
+                              "type": "array",
+                              "description": "Assets specific to this offering",
+                              "items": {
+                                "type": "object",
+                                "description": "Asset definition using standard asset structure",
+                                "additionalProperties": true
+                              }
+                            }
+                          },
+                          "required": [
+                            "name"
+                          ],
+                          "additionalProperties": true
+                        }
+                      },
+                      "asset_selectors": {
+                        "type": "object",
+                        "description": "Selectors to choose specific assets from the brand manifest",
+                        "properties": {
+                          "tags": {
+                            "type": "array",
+                            "description": "Select assets with specific tags (e.g., ['holiday', 'premium'])",
+                            "items": {
+                              "type": "string"
+                            }
+                          },
+                          "asset_types": {
+                            "type": "array",
+                            "description": "Filter by asset type (e.g., ['image', 'video'])",
+                            "items": {
+                              "type": "string",
+                              "enum": [
+                                "image",
+                                "video",
+                                "audio",
+                                "vast",
+                                "daast",
+                                "text",
+                                "url",
+                                "html",
+                                "css",
+                                "javascript",
+                                "webhook"
+                              ]
+                            }
+                          },
+                          "exclude_tags": {
+                            "type": "array",
+                            "description": "Exclude assets with these tags",
+                            "items": {
+                              "type": "string"
+                            }
+                          }
+                        },
+                        "additionalProperties": true
+                      }
+                    },
+                    "required": [
+                      "brand_manifest"
+                    ],
+                    "additionalProperties": true,
+                    "examples": [
+                      {
+                        "brand_manifest": {
+                          "name": "Brand Name",
+                          "url": "https://brand.com"
+                        },
+                        "product_selectors": {
+                          "manifest_skus": [
+                            "SKU-123",
+                            "SKU-456"
+                          ]
+                        },
+                        "asset_selectors": {
+                          "tags": [
+                            "holiday"
+                          ],
+                          "asset_types": [
+                            "image",
+                            "video"
+                          ]
+                        }
+                      }
+                    ]
+                  },
+                  {
+                    "title": "URL Asset",
+                    "description": "URL reference asset",
+                    "type": "object",
+                    "properties": {
+                      "url": {
+                        "type": "string",
+                        "format": "uri",
+                        "description": "URL reference"
+                      },
+                      "url_type": {
+                        "title": "URL Asset Type",
+                        "description": "Type of URL asset: 'clickthrough' for user click destination (landing page), 'tracker_pixel' for impression/event tracking via HTTP request (fires GET, expects pixel/204 response), 'tracker_script' for measurement SDKs that must load as <script> tag (OMID verification, native event trackers using method:2)",
+                        "type": "string",
+                        "enum": [
+                          "clickthrough",
+                          "tracker_pixel",
+                          "tracker_script"
+                        ]
+                      },
+                      "description": {
+                        "type": "string",
+                        "description": "Description of what this URL points to"
+                      }
+                    },
+                    "required": [
+                      "url"
+                    ],
+                    "additionalProperties": true
+                  }
+                ]
+              }
+            }
+          },
+          "tags": {
+            "type": "array",
+            "description": "User-defined tags for organization and searchability",
+            "items": {
+              "type": "string"
+            }
+          },
+          "assignments": {
+            "type": "object",
+            "description": "Current package assignments (included when include_assignments=true)",
+            "properties": {
+              "assignment_count": {
+                "type": "integer",
+                "description": "Total number of active package assignments",
+                "minimum": 0
+              },
+              "assigned_packages": {
+                "type": "array",
+                "description": "List of packages this creative is assigned to",
+                "items": {
+                  "type": "object",
+                  "properties": {
+                    "package_id": {
+                      "type": "string",
+                      "description": "Package identifier"
+                    },
+                    "package_name": {
+                      "type": "string",
+                      "description": "Human-readable package name"
+                    },
+                    "assigned_date": {
+                      "type": "string",
+                      "format": "date-time",
+                      "description": "When this assignment was created"
+                    },
+                    "status": {
+                      "type": "string",
+                      "enum": [
+                        "active",
+                        "paused",
+                        "ended"
+                      ],
+                      "description": "Status of this specific assignment"
+                    }
+                  },
+                  "required": [
+                    "package_id",
+                    "assigned_date",
+                    "status"
+                  ],
+                  "additionalProperties": true
+                }
+              }
+            },
+            "required": [
+              "assignment_count"
+            ],
+            "additionalProperties": true
+          },
+          "performance": {
+            "type": "object",
+            "description": "Aggregated performance metrics (included when include_performance=true)",
+            "properties": {
+              "impressions": {
+                "type": "integer",
+                "description": "Total impressions across all assignments",
+                "minimum": 0
+              },
+              "clicks": {
+                "type": "integer",
+                "description": "Total clicks across all assignments",
+                "minimum": 0
+              },
+              "ctr": {
+                "type": "number",
+                "description": "Click-through rate (clicks/impressions)",
+                "minimum": 0,
+                "maximum": 1
+              },
+              "conversion_rate": {
+                "type": "number",
+                "description": "Conversion rate across all assignments",
+                "minimum": 0,
+                "maximum": 1
+              },
+              "performance_score": {
+                "type": "number",
+                "description": "Aggregated performance score (0-100)",
+                "minimum": 0,
+                "maximum": 100
+              },
+              "last_updated": {
+                "type": "string",
+                "format": "date-time",
+                "description": "When performance data was last updated"
+              }
+            },
+            "required": [
+              "last_updated"
+            ],
+            "additionalProperties": true
+          },
+          "sub_assets": {
+            "type": "array",
+            "description": "Sub-assets for multi-asset formats (included when include_sub_assets=true)",
+            "items": {
+              "title": "Sub-Asset",
+              "description": "Sub-asset for multi-asset creative formats, including carousel images and native ad template variables",
+              "oneOf": [
+                {
+                  "type": "object",
+                  "properties": {
+                    "asset_kind": {
+                      "type": "string",
+                      "const": "media",
+                      "description": "Discriminator indicating this is a media asset with content_uri"
+                    },
+                    "asset_type": {
+                      "type": "string",
+                      "description": "Type of asset. Common types: thumbnail_image, product_image, featured_image, logo"
+                    },
+                    "asset_id": {
+                      "type": "string",
+                      "description": "Unique identifier for the asset within the creative"
+                    },
+                    "content_uri": {
+                      "type": "string",
+                      "format": "uri",
+                      "description": "URL for media assets (images, videos, etc.)"
+                    }
+                  },
+                  "required": [
+                    "asset_kind",
+                    "asset_type",
+                    "asset_id",
+                    "content_uri"
+                  ],
+                  "additionalProperties": true
+                },
+                {
+                  "type": "object",
+                  "properties": {
+                    "asset_kind": {
+                      "type": "string",
+                      "const": "text",
+                      "description": "Discriminator indicating this is a text asset with content"
+                    },
+                    "asset_type": {
+                      "type": "string",
+                      "description": "Type of asset. Common types: headline, body_text, cta_text, price_text, sponsor_name, author_name, click_url"
+                    },
+                    "asset_id": {
+                      "type": "string",
+                      "description": "Unique identifier for the asset within the creative"
+                    },
+                    "content": {
+                      "oneOf": [
+                        {
+                          "type": "string",
+                          "description": "Single text content value"
+                        },
+                        {
+                          "type": "array",
+                          "description": "Multiple text content values (for A/B testing or variations)",
+                          "items": {
+                            "type": "string"
+                          }
+                        }
+                      ],
+                      "description": "Text content for text-based assets like headlines, body text, CTA text, etc."
+                    }
+                  },
+                  "required": [
+                    "asset_kind",
+                    "asset_type",
+                    "asset_id",
+                    "content"
+                  ],
+                  "additionalProperties": true
+                }
+              ]
+            }
+          }
+        },
+        "required": [
+          "creative_id",
+          "name",
+          "format_id",
+          "status",
+          "created_date",
+          "updated_date"
+        ],
+        "additionalProperties": true
+      }
+    },
+    "format_summary": {
+      "type": "object",
+      "description": "Breakdown of creatives by format type",
+      "patternProperties": {
+        "^[a-zA-Z0-9_-]+$": {
+          "type": "integer",
+          "description": "Number of creatives with this format",
+          "minimum": 0
+        }
+      },
+      "additionalProperties": true
+    },
+    "status_summary": {
+      "type": "object",
+      "description": "Breakdown of creatives by status",
+      "properties": {
+        "approved": {
+          "type": "integer",
+          "description": "Number of approved creatives",
+          "minimum": 0
+        },
+        "pending_review": {
+          "type": "integer",
+          "description": "Number of creatives pending review",
+          "minimum": 0
+        },
+        "rejected": {
+          "type": "integer",
+          "description": "Number of rejected creatives",
+          "minimum": 0
+        },
+        "archived": {
+          "type": "integer",
+          "description": "Number of archived creatives",
+          "minimum": 0
+        }
+      },
+      "additionalProperties": true
+    },
+    "context": {
+      "title": "Context Object",
+      "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+      "type": "object",
+      "additionalProperties": true
+    },
+    "ext": {
+      "title": "Extension Object",
+      "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+      "type": "object",
+      "additionalProperties": true
+    }
+  },
+  "required": [
+    "query_summary",
+    "pagination",
+    "creatives"
+  ],
+  "additionalProperties": true,
+  "examples": [
+    {
+      "description": "Successful library query with results",
+      "data": {
+        "query_summary": {
+          "total_matching": 3,
+          "returned": 3,
+          "filters_applied": [
+            "format=video",
+            "status=approved"
+          ],
+          "sort_applied": {
+            "field": "created_date",
+            "direction": "desc"
+          }
+        },
+        "pagination": {
+          "limit": 50,
+          "offset": 0,
+          "has_more": false,
+          "total_pages": 1,
+          "current_page": 1
+        },
+        "creatives": [
+          {
+            "creative_id": "hero_video_30s",
+            "name": "Brand Hero Video 30s",
+            "format_id": {
+              "agent_url": "https://creative.adcontextprotocol.org",
+              "id": "video_30s_vast"
+            },
+            "status": "approved",
+            "created_date": "2024-01-15T10:30:00Z",
+            "updated_date": "2024-01-15T14:20:00Z",
+            "assets": {
+              "vast": {
+                "url": "https://vast.example.com/video/123",
+                "vast_version": "4.1"
+              }
+            },
+            "tags": [
+              "q1_2024",
+              "video",
+              "brand_awareness"
+            ]
+          }
+        ],
+        "format_summary": {
+          "video_30s_vast": 2,
+          "display_300x250": 1
+        },
+        "status_summary": {
+          "approved": 3,
+          "pending_review": 0,
+          "rejected": 0,
+          "archived": 0
+        }
+      }
+    },
+    {
+      "description": "Query with assignments and performance data",
+      "data": {
+        "query_summary": {
+          "total_matching": 1,
+          "returned": 1
+        },
+        "pagination": {
+          "limit": 50,
+          "offset": 0,
+          "has_more": false
+        },
+        "creatives": [
+          {
+            "creative_id": "hero_video_30s",
+            "name": "Brand Hero Video 30s",
+            "format_id": {
+              "agent_url": "https://creative.adcontextprotocol.org",
+              "id": "video_30s_vast"
+            },
+            "status": "approved",
+            "created_date": "2024-01-15T10:30:00Z",
+            "updated_date": "2024-01-15T14:20:00Z",
+            "assignments": {
+              "assignment_count": 2,
+              "assigned_packages": [
+                {
+                  "package_id": "pkg_ctv_001",
+                  "package_name": "CTV Prime Time",
+                  "assigned_date": "2024-01-16T09:00:00Z",
+                  "status": "active"
+                }
+              ]
+            },
+            "performance": {
+              "impressions": 150000,
+              "clicks": 1200,
+              "ctr": 0.008,
+              "performance_score": 85.2,
+              "last_updated": "2024-01-20T12:00:00Z"
+            }
+          }
+        ]
+      }
+    }
+  ],
+  "_bundled": {
+    "generatedAt": "2026-01-07T19:39:14.382Z",
+    "note": "This is a bundled schema with all $ref resolved inline. For the modular version with references, use the parent directory."
+  }
+}
\ No newline at end of file
diff --git a/dist/schemas/2.5.2/bundled/media-buy/package-request.json b/dist/schemas/2.5.2/bundled/media-buy/package-request.json
new file mode 100644
index 0000000000..bfbd9b6b3e
--- /dev/null
+++ b/dist/schemas/2.5.2/bundled/media-buy/package-request.json
@@ -0,0 +1,1423 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/bundled/media-buy/package-request.json",
+  "title": "Package Request",
+  "description": "Package configuration for media buy creation",
+  "type": "object",
+  "properties": {
+    "buyer_ref": {
+      "type": "string",
+      "description": "Buyer's reference identifier for this package"
+    },
+    "product_id": {
+      "type": "string",
+      "description": "Product ID for this package"
+    },
+    "format_ids": {
+      "type": "array",
+      "description": "Array of format IDs that will be used for this package - must be supported by the product. If omitted, defaults to all formats supported by the product.",
+      "items": {
+        "title": "Format ID",
+        "description": "Structured format identifier with agent URL and format name. Can reference: (1) a concrete format with fixed dimensions (id only), (2) a template format without parameters (id only), or (3) a template format with parameters (id + dimensions/duration). Template formats accept parameters in format_id while concrete formats have fixed dimensions in their definition. Parameterized format IDs create unique, specific format variants.",
+        "type": "object",
+        "properties": {
+          "agent_url": {
+            "type": "string",
+            "format": "uri",
+            "description": "URL of the agent that defines this format (e.g., 'https://creatives.adcontextprotocol.org' for standard formats, or 'https://publisher.com/.well-known/adcp/sales' for custom formats)"
+          },
+          "id": {
+            "type": "string",
+            "pattern": "^[a-zA-Z0-9_-]+$",
+            "description": "Format identifier within the agent's namespace (e.g., 'display_static', 'video_hosted', 'audio_standard'). When used alone, references a template format. When combined with dimension/duration fields, creates a parameterized format ID for a specific variant."
+          },
+          "width": {
+            "type": "integer",
+            "minimum": 1,
+            "description": "Width in pixels for visual formats. When specified, height must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+          },
+          "height": {
+            "type": "integer",
+            "minimum": 1,
+            "description": "Height in pixels for visual formats. When specified, width must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+          },
+          "duration_ms": {
+            "type": "number",
+            "minimum": 1,
+            "description": "Duration in milliseconds for time-based formats (video, audio). When specified, creates a parameterized format ID. Omit to reference a template format without parameters."
+          }
+        },
+        "required": [
+          "agent_url",
+          "id"
+        ],
+        "additionalProperties": true,
+        "dependencies": {
+          "width": [
+            "height"
+          ],
+          "height": [
+            "width"
+          ]
+        }
+      },
+      "minItems": 1
+    },
+    "budget": {
+      "type": "number",
+      "description": "Budget allocation for this package in the media buy's currency",
+      "minimum": 0
+    },
+    "pacing": {
+      "title": "Pacing",
+      "description": "Budget pacing strategy",
+      "type": "string",
+      "enum": [
+        "even",
+        "asap",
+        "front_loaded"
+      ],
+      "enumDescriptions": {
+        "even": "Allocate remaining budget evenly over remaining campaign duration (default)",
+        "asap": "Spend remaining budget as quickly as possible",
+        "front_loaded": "Allocate more remaining budget earlier in the remaining campaign period"
+      }
+    },
+    "pricing_option_id": {
+      "type": "string",
+      "description": "ID of the selected pricing option from the product's pricing_options array"
+    },
+    "bid_price": {
+      "type": "number",
+      "description": "Bid price for auction-based CPM pricing (required if using cpm-auction-option)",
+      "minimum": 0
+    },
+    "targeting_overlay": {
+      "title": "Targeting Overlay",
+      "description": "Optional geographic refinements for media buys. Most targeting should be expressed in the brief and handled by the publisher. These fields are primarily for geographic restrictions (RCT testing, regulatory compliance).",
+      "type": "object",
+      "properties": {
+        "geo_country_any_of": {
+          "type": "array",
+          "description": "Restrict delivery to specific countries (ISO codes). Use for regulatory compliance or RCT testing.",
+          "items": {
+            "type": "string",
+            "pattern": "^[A-Z]{2}$"
+          }
+        },
+        "geo_region_any_of": {
+          "type": "array",
+          "description": "Restrict delivery to specific regions/states. Use for regulatory compliance or RCT testing.",
+          "items": {
+            "type": "string"
+          }
+        },
+        "geo_metro_any_of": {
+          "type": "array",
+          "description": "Restrict delivery to specific metro areas (DMA codes). Use for regulatory compliance or RCT testing.",
+          "items": {
+            "type": "string"
+          }
+        },
+        "geo_postal_code_any_of": {
+          "type": "array",
+          "description": "Restrict delivery to specific postal/ZIP codes. Use for regulatory compliance or RCT testing.",
+          "items": {
+            "type": "string"
+          }
+        },
+        "axe_include_segment": {
+          "type": "string",
+          "description": "AXE segment ID to include for targeting"
+        },
+        "axe_exclude_segment": {
+          "type": "string",
+          "description": "AXE segment ID to exclude from targeting"
+        },
+        "frequency_cap": {
+          "title": "Frequency Cap",
+          "description": "Frequency capping settings for package-level application",
+          "type": "object",
+          "properties": {
+            "suppress_minutes": {
+              "type": "number",
+              "description": "Minutes to suppress after impression",
+              "minimum": 0
+            }
+          },
+          "required": [
+            "suppress_minutes"
+          ],
+          "additionalProperties": true
+        }
+      },
+      "additionalProperties": true
+    },
+    "creative_ids": {
+      "type": "array",
+      "description": "Creative IDs to assign to this package at creation time (references existing library creatives)",
+      "items": {
+        "type": "string"
+      }
+    },
+    "creatives": {
+      "type": "array",
+      "description": "Full creative objects to upload and assign to this package at creation time (alternative to creative_ids - creatives will be added to library). Supports both static and generative creatives.",
+      "items": {
+        "title": "Creative Asset",
+        "description": "Creative asset for upload to library - supports static assets, generative formats, and third-party snippets",
+        "type": "object",
+        "properties": {
+          "creative_id": {
+            "type": "string",
+            "description": "Unique identifier for the creative"
+          },
+          "name": {
+            "type": "string",
+            "description": "Human-readable creative name"
+          },
+          "format_id": {
+            "title": "Format ID",
+            "description": "Format identifier specifying which format this creative conforms to. Can be: (1) concrete format_id referencing a format with fixed dimensions, (2) template format_id referencing a template format, or (3) parameterized format_id with dimensions/duration parameters for template formats.",
+            "type": "object",
+            "properties": {
+              "agent_url": {
+                "type": "string",
+                "format": "uri",
+                "description": "URL of the agent that defines this format (e.g., 'https://creatives.adcontextprotocol.org' for standard formats, or 'https://publisher.com/.well-known/adcp/sales' for custom formats)"
+              },
+              "id": {
+                "type": "string",
+                "pattern": "^[a-zA-Z0-9_-]+$",
+                "description": "Format identifier within the agent's namespace (e.g., 'display_static', 'video_hosted', 'audio_standard'). When used alone, references a template format. When combined with dimension/duration fields, creates a parameterized format ID for a specific variant."
+              },
+              "width": {
+                "type": "integer",
+                "minimum": 1,
+                "description": "Width in pixels for visual formats. When specified, height must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+              },
+              "height": {
+                "type": "integer",
+                "minimum": 1,
+                "description": "Height in pixels for visual formats. When specified, width must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+              },
+              "duration_ms": {
+                "type": "number",
+                "minimum": 1,
+                "description": "Duration in milliseconds for time-based formats (video, audio). When specified, creates a parameterized format ID. Omit to reference a template format without parameters."
+              }
+            },
+            "required": [
+              "agent_url",
+              "id"
+            ],
+            "additionalProperties": true,
+            "dependencies": {
+              "width": [
+                "height"
+              ],
+              "height": [
+                "width"
+              ]
+            }
+          },
+          "assets": {
+            "type": "object",
+            "description": "Assets required by the format, keyed by asset_role",
+            "patternProperties": {
+              "^[a-zA-Z0-9_-]+$": {
+                "oneOf": [
+                  {
+                    "title": "Image Asset",
+                    "description": "Image asset with URL and dimensions",
+                    "type": "object",
+                    "properties": {
+                      "url": {
+                        "type": "string",
+                        "format": "uri",
+                        "description": "URL to the image asset"
+                      },
+                      "width": {
+                        "type": "integer",
+                        "minimum": 1,
+                        "description": "Width in pixels"
+                      },
+                      "height": {
+                        "type": "integer",
+                        "minimum": 1,
+                        "description": "Height in pixels"
+                      },
+                      "format": {
+                        "type": "string",
+                        "description": "Image file format (jpg, png, gif, webp, etc.)"
+                      },
+                      "alt_text": {
+                        "type": "string",
+                        "description": "Alternative text for accessibility"
+                      }
+                    },
+                    "required": [
+                      "url",
+                      "width",
+                      "height"
+                    ],
+                    "additionalProperties": true
+                  },
+                  {
+                    "title": "Video Asset",
+                    "description": "Video asset with URL and specifications",
+                    "type": "object",
+                    "properties": {
+                      "url": {
+                        "type": "string",
+                        "format": "uri",
+                        "description": "URL to the video asset"
+                      },
+                      "width": {
+                        "type": "integer",
+                        "minimum": 1,
+                        "description": "Width in pixels"
+                      },
+                      "height": {
+                        "type": "integer",
+                        "minimum": 1,
+                        "description": "Height in pixels"
+                      },
+                      "duration_ms": {
+                        "type": "integer",
+                        "description": "Video duration in milliseconds",
+                        "minimum": 1
+                      },
+                      "format": {
+                        "type": "string",
+                        "description": "Video file format (mp4, webm, mov, etc.)"
+                      },
+                      "bitrate_kbps": {
+                        "type": "integer",
+                        "description": "Video bitrate in kilobits per second",
+                        "minimum": 1
+                      }
+                    },
+                    "required": [
+                      "url",
+                      "width",
+                      "height"
+                    ],
+                    "additionalProperties": true
+                  },
+                  {
+                    "title": "Audio Asset",
+                    "description": "Audio asset with URL and specifications",
+                    "type": "object",
+                    "properties": {
+                      "url": {
+                        "type": "string",
+                        "format": "uri",
+                        "description": "URL to the audio asset"
+                      },
+                      "duration_ms": {
+                        "type": "integer",
+                        "description": "Audio duration in milliseconds",
+                        "minimum": 0
+                      },
+                      "format": {
+                        "type": "string",
+                        "description": "Audio file format (mp3, wav, aac, etc.)"
+                      },
+                      "bitrate_kbps": {
+                        "type": "integer",
+                        "description": "Audio bitrate in kilobits per second",
+                        "minimum": 1
+                      }
+                    },
+                    "required": [
+                      "url"
+                    ],
+                    "additionalProperties": true
+                  },
+                  {
+                    "title": "Text Asset",
+                    "description": "Text content asset",
+                    "type": "object",
+                    "properties": {
+                      "content": {
+                        "type": "string",
+                        "description": "Text content"
+                      },
+                      "language": {
+                        "type": "string",
+                        "description": "Language code (e.g., 'en', 'es', 'fr')"
+                      }
+                    },
+                    "required": [
+                      "content"
+                    ],
+                    "additionalProperties": true
+                  },
+                  {
+                    "title": "HTML Asset",
+                    "description": "HTML content asset",
+                    "type": "object",
+                    "properties": {
+                      "content": {
+                        "type": "string",
+                        "description": "HTML content"
+                      },
+                      "version": {
+                        "type": "string",
+                        "description": "HTML version (e.g., 'HTML5')"
+                      }
+                    },
+                    "required": [
+                      "content"
+                    ],
+                    "additionalProperties": true
+                  },
+                  {
+                    "title": "CSS Asset",
+                    "description": "CSS stylesheet asset",
+                    "type": "object",
+                    "properties": {
+                      "content": {
+                        "type": "string",
+                        "description": "CSS content"
+                      },
+                      "media": {
+                        "type": "string",
+                        "description": "CSS media query context (e.g., 'screen', 'print')"
+                      }
+                    },
+                    "required": [
+                      "content"
+                    ],
+                    "additionalProperties": true
+                  },
+                  {
+                    "title": "JavaScript Asset",
+                    "description": "JavaScript code asset",
+                    "type": "object",
+                    "properties": {
+                      "content": {
+                        "type": "string",
+                        "description": "JavaScript content"
+                      },
+                      "module_type": {
+                        "title": "JavaScript Module Type",
+                        "description": "JavaScript module type",
+                        "type": "string",
+                        "enum": [
+                          "esm",
+                          "commonjs",
+                          "script"
+                        ]
+                      }
+                    },
+                    "required": [
+                      "content"
+                    ],
+                    "additionalProperties": true
+                  },
+                  {
+                    "title": "VAST Asset",
+                    "description": "VAST (Video Ad Serving Template) tag for third-party video ad serving",
+                    "oneOf": [
+                      {
+                        "type": "object",
+                        "properties": {
+                          "delivery_type": {
+                            "type": "string",
+                            "const": "url",
+                            "description": "Discriminator indicating VAST is delivered via URL endpoint"
+                          },
+                          "url": {
+                            "type": "string",
+                            "format": "uri",
+                            "description": "URL endpoint that returns VAST XML"
+                          },
+                          "vast_version": {
+                            "title": "VAST Version",
+                            "description": "VAST specification version",
+                            "type": "string",
+                            "enum": [
+                              "2.0",
+                              "3.0",
+                              "4.0",
+                              "4.1",
+                              "4.2"
+                            ]
+                          },
+                          "vpaid_enabled": {
+                            "type": "boolean",
+                            "description": "Whether VPAID (Video Player-Ad Interface Definition) is supported"
+                          },
+                          "duration_ms": {
+                            "type": "integer",
+                            "description": "Expected video duration in milliseconds (if known)",
+                            "minimum": 0
+                          },
+                          "tracking_events": {
+                            "type": "array",
+                            "items": {
+                              "title": "VAST Tracking Event",
+                              "description": "Standard VAST tracking events for video ad playback and interaction",
+                              "type": "string",
+                              "enum": [
+                                "start",
+                                "firstQuartile",
+                                "midpoint",
+                                "thirdQuartile",
+                                "complete",
+                                "impression",
+                                "click",
+                                "pause",
+                                "resume",
+                                "skip",
+                                "mute",
+                                "unmute",
+                                "fullscreen",
+                                "exitFullscreen",
+                                "playerExpand",
+                                "playerCollapse"
+                              ]
+                            },
+                            "description": "Tracking events supported by this VAST tag"
+                          }
+                        },
+                        "required": [
+                          "delivery_type",
+                          "url"
+                        ],
+                        "additionalProperties": true
+                      },
+                      {
+                        "type": "object",
+                        "properties": {
+                          "delivery_type": {
+                            "type": "string",
+                            "const": "inline",
+                            "description": "Discriminator indicating VAST is delivered as inline XML content"
+                          },
+                          "content": {
+                            "type": "string",
+                            "description": "Inline VAST XML content"
+                          },
+                          "vast_version": {
+                            "title": "VAST Version",
+                            "description": "VAST specification version",
+                            "type": "string",
+                            "enum": [
+                              "2.0",
+                              "3.0",
+                              "4.0",
+                              "4.1",
+                              "4.2"
+                            ]
+                          },
+                          "vpaid_enabled": {
+                            "type": "boolean",
+                            "description": "Whether VPAID (Video Player-Ad Interface Definition) is supported"
+                          },
+                          "duration_ms": {
+                            "type": "integer",
+                            "description": "Expected video duration in milliseconds (if known)",
+                            "minimum": 0
+                          },
+                          "tracking_events": {
+                            "type": "array",
+                            "items": {
+                              "title": "VAST Tracking Event",
+                              "description": "Standard VAST tracking events for video ad playback and interaction",
+                              "type": "string",
+                              "enum": [
+                                "start",
+                                "firstQuartile",
+                                "midpoint",
+                                "thirdQuartile",
+                                "complete",
+                                "impression",
+                                "click",
+                                "pause",
+                                "resume",
+                                "skip",
+                                "mute",
+                                "unmute",
+                                "fullscreen",
+                                "exitFullscreen",
+                                "playerExpand",
+                                "playerCollapse"
+                              ]
+                            },
+                            "description": "Tracking events supported by this VAST tag"
+                          }
+                        },
+                        "required": [
+                          "delivery_type",
+                          "content"
+                        ],
+                        "additionalProperties": true
+                      }
+                    ]
+                  },
+                  {
+                    "title": "DAAST Asset",
+                    "description": "DAAST (Digital Audio Ad Serving Template) tag for third-party audio ad serving",
+                    "oneOf": [
+                      {
+                        "type": "object",
+                        "properties": {
+                          "delivery_type": {
+                            "type": "string",
+                            "const": "url",
+                            "description": "Discriminator indicating DAAST is delivered via URL endpoint"
+                          },
+                          "url": {
+                            "type": "string",
+                            "format": "uri",
+                            "description": "URL endpoint that returns DAAST XML"
+                          },
+                          "daast_version": {
+                            "title": "DAAST Version",
+                            "description": "DAAST specification version",
+                            "type": "string",
+                            "enum": [
+                              "1.0",
+                              "1.1"
+                            ]
+                          },
+                          "duration_ms": {
+                            "type": "integer",
+                            "description": "Expected audio duration in milliseconds (if known)",
+                            "minimum": 0
+                          },
+                          "tracking_events": {
+                            "type": "array",
+                            "items": {
+                              "title": "DAAST Tracking Event",
+                              "description": "Standard DAAST tracking events for audio ad playback and interaction",
+                              "type": "string",
+                              "enum": [
+                                "start",
+                                "firstQuartile",
+                                "midpoint",
+                                "thirdQuartile",
+                                "complete",
+                                "impression",
+                                "pause",
+                                "resume",
+                                "skip",
+                                "mute",
+                                "unmute"
+                              ]
+                            },
+                            "description": "Tracking events supported by this DAAST tag"
+                          },
+                          "companion_ads": {
+                            "type": "boolean",
+                            "description": "Whether companion display ads are included"
+                          }
+                        },
+                        "required": [
+                          "delivery_type",
+                          "url"
+                        ],
+                        "additionalProperties": true
+                      },
+                      {
+                        "type": "object",
+                        "properties": {
+                          "delivery_type": {
+                            "type": "string",
+                            "const": "inline",
+                            "description": "Discriminator indicating DAAST is delivered as inline XML content"
+                          },
+                          "content": {
+                            "type": "string",
+                            "description": "Inline DAAST XML content"
+                          },
+                          "daast_version": {
+                            "title": "DAAST Version",
+                            "description": "DAAST specification version",
+                            "type": "string",
+                            "enum": [
+                              "1.0",
+                              "1.1"
+                            ]
+                          },
+                          "duration_ms": {
+                            "type": "integer",
+                            "description": "Expected audio duration in milliseconds (if known)",
+                            "minimum": 0
+                          },
+                          "tracking_events": {
+                            "type": "array",
+                            "items": {
+                              "title": "DAAST Tracking Event",
+                              "description": "Standard DAAST tracking events for audio ad playback and interaction",
+                              "type": "string",
+                              "enum": [
+                                "start",
+                                "firstQuartile",
+                                "midpoint",
+                                "thirdQuartile",
+                                "complete",
+                                "impression",
+                                "pause",
+                                "resume",
+                                "skip",
+                                "mute",
+                                "unmute"
+                              ]
+                            },
+                            "description": "Tracking events supported by this DAAST tag"
+                          },
+                          "companion_ads": {
+                            "type": "boolean",
+                            "description": "Whether companion display ads are included"
+                          }
+                        },
+                        "required": [
+                          "delivery_type",
+                          "content"
+                        ],
+                        "additionalProperties": true
+                      }
+                    ]
+                  },
+                  {
+                    "title": "Promoted Offerings",
+                    "description": "Complete offering specification combining brand manifest, product selectors, and asset filters. Provides all context needed for creative generation about what is being promoted.",
+                    "type": "object",
+                    "properties": {
+                      "brand_manifest": {
+                        "title": "Brand Manifest Reference",
+                        "description": "Brand information manifest containing assets, themes, and guidelines. Can be provided inline or as a URL reference to a hosted manifest.",
+                        "oneOf": [
+                          {
+                            "title": "Brand Manifest",
+                            "description": "Inline brand manifest object",
+                            "type": "object",
+                            "properties": {
+                              "url": {
+                                "type": "string",
+                                "format": "uri",
+                                "description": "Primary brand URL for context and asset discovery. Creative agents can infer brand information from this URL."
+                              },
+                              "name": {
+                                "type": "string",
+                                "description": "Brand or business name"
+                              },
+                              "logos": {
+                                "type": "array",
+                                "description": "Brand logo assets with semantic tags for different use cases",
+                                "items": {
+                                  "type": "object",
+                                  "properties": {
+                                    "url": {
+                                      "type": "string",
+                                      "format": "uri",
+                                      "description": "URL to the logo asset"
+                                    },
+                                    "tags": {
+                                      "type": "array",
+                                      "description": "Semantic tags describing the logo variant (e.g., 'dark', 'light', 'square', 'horizontal', 'icon')",
+                                      "items": {
+                                        "type": "string"
+                                      }
+                                    },
+                                    "width": {
+                                      "type": "integer",
+                                      "description": "Logo width in pixels"
+                                    },
+                                    "height": {
+                                      "type": "integer",
+                                      "description": "Logo height in pixels"
+                                    }
+                                  },
+                                  "required": [
+                                    "url"
+                                  ]
+                                }
+                              },
+                              "colors": {
+                                "type": "object",
+                                "description": "Brand color palette",
+                                "properties": {
+                                  "primary": {
+                                    "type": "string",
+                                    "pattern": "^#[0-9A-Fa-f]{6}$",
+                                    "description": "Primary brand color (hex format)"
+                                  },
+                                  "secondary": {
+                                    "type": "string",
+                                    "pattern": "^#[0-9A-Fa-f]{6}$",
+                                    "description": "Secondary brand color (hex format)"
+                                  },
+                                  "accent": {
+                                    "type": "string",
+                                    "pattern": "^#[0-9A-Fa-f]{6}$",
+                                    "description": "Accent color (hex format)"
+                                  },
+                                  "background": {
+                                    "type": "string",
+                                    "pattern": "^#[0-9A-Fa-f]{6}$",
+                                    "description": "Background color (hex format)"
+                                  },
+                                  "text": {
+                                    "type": "string",
+                                    "pattern": "^#[0-9A-Fa-f]{6}$",
+                                    "description": "Text color (hex format)"
+                                  }
+                                }
+                              },
+                              "fonts": {
+                                "type": "object",
+                                "description": "Brand typography guidelines",
+                                "properties": {
+                                  "primary": {
+                                    "type": "string",
+                                    "description": "Primary font family name"
+                                  },
+                                  "secondary": {
+                                    "type": "string",
+                                    "description": "Secondary font family name"
+                                  },
+                                  "font_urls": {
+                                    "type": "array",
+                                    "description": "URLs to web font files if using custom fonts",
+                                    "items": {
+                                      "type": "string",
+                                      "format": "uri"
+                                    }
+                                  }
+                                }
+                              },
+                              "tone": {
+                                "type": "string",
+                                "description": "Brand voice and messaging tone (e.g., 'professional', 'casual', 'humorous', 'trustworthy', 'innovative')"
+                              },
+                              "tagline": {
+                                "type": "string",
+                                "description": "Brand tagline or slogan"
+                              },
+                              "assets": {
+                                "type": "array",
+                                "description": "Brand asset library with explicit assets and tags. Assets are referenced inline with URLs pointing to CDN-hosted files.",
+                                "items": {
+                                  "type": "object",
+                                  "properties": {
+                                    "asset_id": {
+                                      "type": "string",
+                                      "description": "Unique identifier for this asset"
+                                    },
+                                    "asset_type": {
+                                      "title": "Asset Content Type",
+                                      "description": "Type of asset. Note: Brand manifests typically contain basic media assets (image, video, audio, text). Code assets (html, javascript, css) and ad markup (vast, daast) are usually not part of brand asset libraries.",
+                                      "type": "string",
+                                      "enum": [
+                                        "image",
+                                        "video",
+                                        "audio",
+                                        "text",
+                                        "markdown",
+                                        "html",
+                                        "css",
+                                        "javascript",
+                                        "vast",
+                                        "daast",
+                                        "promoted_offerings",
+                                        "url",
+                                        "webhook"
+                                      ]
+                                    },
+                                    "url": {
+                                      "type": "string",
+                                      "format": "uri",
+                                      "description": "URL to CDN-hosted asset file"
+                                    },
+                                    "tags": {
+                                      "type": "array",
+                                      "description": "Tags for asset discovery (e.g., 'holiday', 'lifestyle', 'product_shot')",
+                                      "items": {
+                                        "type": "string"
+                                      }
+                                    },
+                                    "name": {
+                                      "type": "string",
+                                      "description": "Human-readable asset name"
+                                    },
+                                    "description": {
+                                      "type": "string",
+                                      "description": "Asset description or usage notes"
+                                    },
+                                    "width": {
+                                      "type": "integer",
+                                      "description": "Image/video width in pixels"
+                                    },
+                                    "height": {
+                                      "type": "integer",
+                                      "description": "Image/video height in pixels"
+                                    },
+                                    "duration_seconds": {
+                                      "type": "number",
+                                      "description": "Video/audio duration in seconds"
+                                    },
+                                    "file_size_bytes": {
+                                      "type": "integer",
+                                      "description": "File size in bytes"
+                                    },
+                                    "format": {
+                                      "type": "string",
+                                      "description": "File format (e.g., 'jpg', 'mp4', 'mp3')"
+                                    },
+                                    "metadata": {
+                                      "type": "object",
+                                      "description": "Additional asset-specific metadata",
+                                      "additionalProperties": true
+                                    }
+                                  },
+                                  "required": [
+                                    "asset_id",
+                                    "asset_type",
+                                    "url"
+                                  ],
+                                  "additionalProperties": true
+                                }
+                              },
+                              "product_catalog": {
+                                "type": "object",
+                                "description": "Product catalog information for e-commerce advertisers. Enables SKU-level creative generation and product selection.",
+                                "properties": {
+                                  "feed_url": {
+                                    "type": "string",
+                                    "format": "uri",
+                                    "description": "URL to product catalog feed"
+                                  },
+                                  "feed_format": {
+                                    "type": "string",
+                                    "enum": [
+                                      "google_merchant_center",
+                                      "facebook_catalog",
+                                      "custom"
+                                    ],
+                                    "default": "google_merchant_center",
+                                    "description": "Format of the product feed"
+                                  },
+                                  "categories": {
+                                    "type": "array",
+                                    "description": "Product categories available in the catalog (for filtering)",
+                                    "items": {
+                                      "type": "string"
+                                    }
+                                  },
+                                  "last_updated": {
+                                    "type": "string",
+                                    "format": "date-time",
+                                    "description": "When the product catalog was last updated"
+                                  },
+                                  "update_frequency": {
+                                    "type": "string",
+                                    "enum": [
+                                      "realtime",
+                                      "hourly",
+                                      "daily",
+                                      "weekly"
+                                    ],
+                                    "description": "How frequently the product catalog is updated"
+                                  }
+                                },
+                                "required": [
+                                  "feed_url"
+                                ],
+                                "additionalProperties": true
+                              },
+                              "disclaimers": {
+                                "type": "array",
+                                "description": "Legal disclaimers or required text that must appear in creatives",
+                                "items": {
+                                  "type": "object",
+                                  "properties": {
+                                    "text": {
+                                      "type": "string",
+                                      "description": "Disclaimer text"
+                                    },
+                                    "context": {
+                                      "type": "string",
+                                      "description": "When this disclaimer applies (e.g., 'financial_products', 'health_claims', 'all')"
+                                    },
+                                    "required": {
+                                      "type": "boolean",
+                                      "description": "Whether this disclaimer must appear",
+                                      "default": true
+                                    }
+                                  },
+                                  "required": [
+                                    "text"
+                                  ]
+                                }
+                              },
+                              "industry": {
+                                "type": "string",
+                                "description": "Industry or vertical (e.g., 'retail', 'automotive', 'finance', 'healthcare')"
+                              },
+                              "target_audience": {
+                                "type": "string",
+                                "description": "Primary target audience description"
+                              },
+                              "contact": {
+                                "type": "object",
+                                "description": "Brand contact information",
+                                "properties": {
+                                  "email": {
+                                    "type": "string",
+                                    "format": "email",
+                                    "description": "Contact email"
+                                  },
+                                  "phone": {
+                                    "type": "string",
+                                    "description": "Contact phone number"
+                                  }
+                                }
+                              },
+                              "metadata": {
+                                "type": "object",
+                                "description": "Additional brand metadata",
+                                "properties": {
+                                  "created_date": {
+                                    "type": "string",
+                                    "format": "date-time",
+                                    "description": "When this brand manifest was created"
+                                  },
+                                  "updated_date": {
+                                    "type": "string",
+                                    "format": "date-time",
+                                    "description": "When this brand manifest was last updated"
+                                  },
+                                  "version": {
+                                    "type": "string",
+                                    "description": "Brand card version number"
+                                  }
+                                }
+                              }
+                            },
+                            "required": [
+                              "name"
+                            ],
+                            "additionalProperties": true,
+                            "examples": [
+                              {
+                                "description": "Example with both URL and name",
+                                "data": {
+                                  "url": "https://bobsfunburgers.com",
+                                  "name": "Bob's Fun Burgers"
+                                }
+                              },
+                              {
+                                "description": "Example: white-label brand without dedicated URL",
+                                "data": {
+                                  "name": "Great Value",
+                                  "colors": {
+                                    "primary": "#0071CE",
+                                    "secondary": "#FFC220"
+                                  },
+                                  "tone": "affordable and trustworthy"
+                                }
+                              },
+                              {
+                                "description": "Full brand manifest with all fields",
+                                "data": {
+                                  "url": "https://acmecorp.com",
+                                  "name": "ACME Corporation",
+                                  "logos": [
+                                    {
+                                      "url": "https://cdn.acmecorp.com/logo-square-dark.png",
+                                      "tags": [
+                                        "dark",
+                                        "square"
+                                      ],
+                                      "width": 512,
+                                      "height": 512
+                                    },
+                                    {
+                                      "url": "https://cdn.acmecorp.com/logo-horizontal-light.png",
+                                      "tags": [
+                                        "light",
+                                        "horizontal"
+                                      ],
+                                      "width": 1200,
+                                      "height": 400
+                                    }
+                                  ],
+                                  "colors": {
+                                    "primary": "#FF6B35",
+                                    "secondary": "#004E89",
+                                    "accent": "#F7931E",
+                                    "background": "#FFFFFF",
+                                    "text": "#1A1A1A"
+                                  },
+                                  "fonts": {
+                                    "primary": "Helvetica Neue",
+                                    "secondary": "Georgia"
+                                  },
+                                  "tone": "professional and trustworthy",
+                                  "tagline": "Innovation You Can Trust",
+                                  "assets": [
+                                    {
+                                      "asset_id": "hero_winter_2024",
+                                      "asset_type": "image",
+                                      "url": "https://cdn.acmecorp.com/hero-winter-2024.jpg",
+                                      "tags": [
+                                        "hero",
+                                        "winter",
+                                        "holiday",
+                                        "lifestyle"
+                                      ],
+                                      "name": "Winter Campaign Hero",
+                                      "width": 1920,
+                                      "height": 1080,
+                                      "format": "jpg"
+                                    },
+                                    {
+                                      "asset_id": "product_video_30s",
+                                      "asset_type": "video",
+                                      "url": "https://cdn.acmecorp.com/product-demo-30s.mp4",
+                                      "tags": [
+                                        "product",
+                                        "demo",
+                                        "30s"
+                                      ],
+                                      "name": "Product Demo 30 Second",
+                                      "width": 1920,
+                                      "height": 1080,
+                                      "duration_seconds": 30,
+                                      "format": "mp4"
+                                    }
+                                  ],
+                                  "product_catalog": {
+                                    "feed_url": "https://acmecorp.com/products.xml",
+                                    "feed_format": "google_merchant_center",
+                                    "categories": [
+                                      "electronics/computers",
+                                      "electronics/accessories"
+                                    ],
+                                    "last_updated": "2024-03-15T10:00:00Z",
+                                    "update_frequency": "hourly"
+                                  },
+                                  "disclaimers": [
+                                    {
+                                      "text": "Results may vary. Consult a professional before use.",
+                                      "context": "health_claims",
+                                      "required": true
+                                    }
+                                  ],
+                                  "industry": "technology",
+                                  "target_audience": "business decision-makers aged 35-55"
+                                }
+                              }
+                            ]
+                          },
+                          {
+                            "type": "string",
+                            "format": "uri",
+                            "description": "URL to a hosted brand manifest JSON file. The manifest at this URL must conform to the brand-manifest.json schema."
+                          }
+                        ],
+                        "examples": [
+                          {
+                            "description": "Inline brand manifest",
+                            "data": {
+                              "url": "https://acmecorp.com",
+                              "name": "ACME Corporation",
+                              "colors": {
+                                "primary": "#FF6B35"
+                              }
+                            }
+                          },
+                          {
+                            "description": "URL string reference to hosted manifest",
+                            "data": "https://cdn.acmecorp.com/brand-manifest.json"
+                          }
+                        ]
+                      },
+                      "product_selectors": {
+                        "title": "Promoted Products",
+                        "description": "Selectors to choose which products/offerings from the brand manifest product catalog to promote",
+                        "type": "object",
+                        "properties": {
+                          "manifest_skus": {
+                            "type": "array",
+                            "description": "Direct product SKU references from the brand manifest product catalog",
+                            "items": {
+                              "type": "string"
+                            }
+                          },
+                          "manifest_tags": {
+                            "type": "array",
+                            "description": "Select products by tags from the brand manifest product catalog (e.g., 'organic', 'sauces', 'holiday')",
+                            "items": {
+                              "type": "string"
+                            }
+                          },
+                          "manifest_category": {
+                            "type": "string",
+                            "description": "Select products from a specific category in the brand manifest product catalog (e.g., 'beverages/soft-drinks', 'food/sauces')"
+                          },
+                          "manifest_query": {
+                            "type": "string",
+                            "description": "Natural language query to select products from the brand manifest (e.g., 'all Kraft Heinz pasta sauces', 'organic products under $20')"
+                          }
+                        },
+                        "additionalProperties": true,
+                        "examples": [
+                          {
+                            "description": "Direct SKU selection for specific products from brand manifest",
+                            "data": {
+                              "manifest_skus": [
+                                "SKU-12345",
+                                "SKU-67890"
+                              ]
+                            }
+                          },
+                          {
+                            "description": "UNION selection: products tagged 'organic' OR 'sauces' OR in 'food/condiments' category from brand manifest",
+                            "data": {
+                              "manifest_tags": [
+                                "organic",
+                                "sauces"
+                              ],
+                              "manifest_category": "food/condiments"
+                            }
+                          },
+                          {
+                            "description": "Natural language product selection from brand manifest",
+                            "data": {
+                              "manifest_query": "all Kraft Heinz pasta sauces under $5"
+                            }
+                          },
+                          {
+                            "description": "Select products by tags",
+                            "data": {
+                              "manifest_tags": [
+                                "holiday"
+                              ]
+                            }
+                          }
+                        ]
+                      },
+                      "offerings": {
+                        "type": "array",
+                        "description": "Inline offerings for campaigns without a product catalog. Each offering has a name, description, and associated assets.",
+                        "items": {
+                          "type": "object",
+                          "properties": {
+                            "name": {
+                              "type": "string",
+                              "description": "Offering name (e.g., 'Winter Sale', 'New Product Launch')"
+                            },
+                            "description": {
+                              "type": "string",
+                              "description": "Description of what's being offered"
+                            },
+                            "assets": {
+                              "type": "array",
+                              "description": "Assets specific to this offering",
+                              "items": {
+                                "type": "object",
+                                "description": "Asset definition using standard asset structure",
+                                "additionalProperties": true
+                              }
+                            }
+                          },
+                          "required": [
+                            "name"
+                          ],
+                          "additionalProperties": true
+                        }
+                      },
+                      "asset_selectors": {
+                        "type": "object",
+                        "description": "Selectors to choose specific assets from the brand manifest",
+                        "properties": {
+                          "tags": {
+                            "type": "array",
+                            "description": "Select assets with specific tags (e.g., ['holiday', 'premium'])",
+                            "items": {
+                              "type": "string"
+                            }
+                          },
+                          "asset_types": {
+                            "type": "array",
+                            "description": "Filter by asset type (e.g., ['image', 'video'])",
+                            "items": {
+                              "type": "string",
+                              "enum": [
+                                "image",
+                                "video",
+                                "audio",
+                                "vast",
+                                "daast",
+                                "text",
+                                "url",
+                                "html",
+                                "css",
+                                "javascript",
+                                "webhook"
+                              ]
+                            }
+                          },
+                          "exclude_tags": {
+                            "type": "array",
+                            "description": "Exclude assets with these tags",
+                            "items": {
+                              "type": "string"
+                            }
+                          }
+                        },
+                        "additionalProperties": true
+                      }
+                    },
+                    "required": [
+                      "brand_manifest"
+                    ],
+                    "additionalProperties": true,
+                    "examples": [
+                      {
+                        "brand_manifest": {
+                          "name": "Brand Name",
+                          "url": "https://brand.com"
+                        },
+                        "product_selectors": {
+                          "manifest_skus": [
+                            "SKU-123",
+                            "SKU-456"
+                          ]
+                        },
+                        "asset_selectors": {
+                          "tags": [
+                            "holiday"
+                          ],
+                          "asset_types": [
+                            "image",
+                            "video"
+                          ]
+                        }
+                      }
+                    ]
+                  },
+                  {
+                    "title": "URL Asset",
+                    "description": "URL reference asset",
+                    "type": "object",
+                    "properties": {
+                      "url": {
+                        "type": "string",
+                        "format": "uri",
+                        "description": "URL reference"
+                      },
+                      "url_type": {
+                        "title": "URL Asset Type",
+                        "description": "Type of URL asset: 'clickthrough' for user click destination (landing page), 'tracker_pixel' for impression/event tracking via HTTP request (fires GET, expects pixel/204 response), 'tracker_script' for measurement SDKs that must load as <script> tag (OMID verification, native event trackers using method:2)",
+                        "type": "string",
+                        "enum": [
+                          "clickthrough",
+                          "tracker_pixel",
+                          "tracker_script"
+                        ]
+                      },
+                      "description": {
+                        "type": "string",
+                        "description": "Description of what this URL points to"
+                      }
+                    },
+                    "required": [
+                      "url"
+                    ],
+                    "additionalProperties": true
+                  }
+                ]
+              }
+            },
+            "additionalProperties": true
+          },
+          "inputs": {
+            "type": "array",
+            "description": "Preview contexts for generative formats - defines what scenarios to generate previews for",
+            "items": {
+              "type": "object",
+              "properties": {
+                "name": {
+                  "type": "string",
+                  "description": "Human-readable name for this preview variant"
+                },
+                "macros": {
+                  "type": "object",
+                  "description": "Macro values to apply for this preview",
+                  "additionalProperties": {
+                    "type": "string"
+                  }
+                },
+                "context_description": {
+                  "type": "string",
+                  "description": "Natural language description of the context for AI-generated content"
+                }
+              },
+              "required": [
+                "name"
+              ],
+              "additionalProperties": true
+            }
+          },
+          "tags": {
+            "type": "array",
+            "description": "User-defined tags for organization and searchability",
+            "items": {
+              "type": "string"
+            }
+          },
+          "approved": {
+            "type": "boolean",
+            "description": "For generative creatives: set to true to approve and finalize, false to request regeneration with updated assets/message. Omit for non-generative creatives."
+          },
+          "weight": {
+            "type": "number",
+            "description": "Optional delivery weight for creative rotation when uploading via create_media_buy or update_media_buy (0-100). If omitted, platform determines rotation. Only used during upload to media buy - not stored in creative library.",
+            "minimum": 0,
+            "maximum": 100
+          },
+          "placement_ids": {
+            "type": "array",
+            "description": "Optional array of placement IDs where this creative should run when uploading via create_media_buy or update_media_buy. References placement_id values from the product's placements array. If omitted, creative runs on all placements. Only used during upload to media buy - not stored in creative library.",
+            "items": {
+              "type": "string"
+            },
+            "minItems": 1
+          }
+        },
+        "required": [
+          "creative_id",
+          "name",
+          "format_id",
+          "assets"
+        ],
+        "additionalProperties": true
+      },
+      "maxItems": 100
+    },
+    "ext": {
+      "title": "Extension Object",
+      "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+      "type": "object",
+      "additionalProperties": true
+    }
+  },
+  "required": [
+    "buyer_ref",
+    "product_id",
+    "budget",
+    "pricing_option_id"
+  ],
+  "additionalProperties": true,
+  "_bundled": {
+    "generatedAt": "2026-01-07T19:39:14.383Z",
+    "note": "This is a bundled schema with all $ref resolved inline. For the modular version with references, use the parent directory."
+  }
+}
\ No newline at end of file
diff --git a/dist/schemas/2.5.2/bundled/media-buy/provide-performance-feedback-request.json b/dist/schemas/2.5.2/bundled/media-buy/provide-performance-feedback-request.json
new file mode 100644
index 0000000000..381af5c531
--- /dev/null
+++ b/dist/schemas/2.5.2/bundled/media-buy/provide-performance-feedback-request.json
@@ -0,0 +1,116 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/bundled/media-buy/provide-performance-feedback-request.json",
+  "title": "Provide Performance Feedback Request",
+  "description": "Request payload for provide_performance_feedback task",
+  "type": "object",
+  "properties": {
+    "media_buy_id": {
+      "type": "string",
+      "description": "Publisher's media buy identifier",
+      "minLength": 1
+    },
+    "buyer_ref": {
+      "type": "string",
+      "description": "Buyer's reference for the media buy",
+      "minLength": 1
+    },
+    "measurement_period": {
+      "type": "object",
+      "description": "Time period for performance measurement",
+      "properties": {
+        "start": {
+          "type": "string",
+          "format": "date-time",
+          "description": "ISO 8601 start timestamp for measurement period"
+        },
+        "end": {
+          "type": "string",
+          "format": "date-time",
+          "description": "ISO 8601 end timestamp for measurement period"
+        }
+      },
+      "required": [
+        "start",
+        "end"
+      ],
+      "additionalProperties": true
+    },
+    "performance_index": {
+      "type": "number",
+      "description": "Normalized performance score (0.0 = no value, 1.0 = expected, >1.0 = above expected)",
+      "minimum": 0
+    },
+    "package_id": {
+      "type": "string",
+      "description": "Specific package within the media buy (if feedback is package-specific)",
+      "minLength": 1
+    },
+    "creative_id": {
+      "type": "string",
+      "description": "Specific creative asset (if feedback is creative-specific)",
+      "minLength": 1
+    },
+    "metric_type": {
+      "title": "Metric Type",
+      "description": "The business metric being measured",
+      "type": "string",
+      "enum": [
+        "overall_performance",
+        "conversion_rate",
+        "brand_lift",
+        "click_through_rate",
+        "completion_rate",
+        "viewability",
+        "brand_safety",
+        "cost_efficiency"
+      ],
+      "default": "overall_performance"
+    },
+    "feedback_source": {
+      "title": "Feedback Source",
+      "description": "Source of the performance data",
+      "type": "string",
+      "enum": [
+        "buyer_attribution",
+        "third_party_measurement",
+        "platform_analytics",
+        "verification_partner"
+      ],
+      "default": "buyer_attribution"
+    },
+    "context": {
+      "title": "Context Object",
+      "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+      "type": "object",
+      "additionalProperties": true
+    },
+    "ext": {
+      "title": "Extension Object",
+      "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+      "type": "object",
+      "additionalProperties": true
+    }
+  },
+  "oneOf": [
+    {
+      "required": [
+        "media_buy_id",
+        "measurement_period",
+        "performance_index"
+      ]
+    },
+    {
+      "required": [
+        "buyer_ref",
+        "measurement_period",
+        "performance_index"
+      ]
+    }
+  ],
+  "additionalProperties": true,
+  "_bundled": {
+    "generatedAt": "2026-01-07T19:39:14.384Z",
+    "note": "This is a bundled schema with all $ref resolved inline. For the modular version with references, use the parent directory."
+  }
+}
\ No newline at end of file
diff --git a/dist/schemas/2.5.2/bundled/media-buy/provide-performance-feedback-response.json b/dist/schemas/2.5.2/bundled/media-buy/provide-performance-feedback-response.json
new file mode 100644
index 0000000000..861ecd161d
--- /dev/null
+++ b/dist/schemas/2.5.2/bundled/media-buy/provide-performance-feedback-response.json
@@ -0,0 +1,117 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/bundled/media-buy/provide-performance-feedback-response.json",
+  "title": "Provide Performance Feedback Response",
+  "description": "Response payload for provide_performance_feedback task. Returns either success confirmation OR error information, never both.",
+  "type": "object",
+  "oneOf": [
+    {
+      "title": "ProvidePerformanceFeedbackSuccess",
+      "description": "Success response - feedback received and processed",
+      "type": "object",
+      "properties": {
+        "success": {
+          "type": "boolean",
+          "description": "Whether the performance feedback was successfully received",
+          "const": true
+        },
+        "context": {
+          "title": "Context Object",
+          "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+          "type": "object",
+          "additionalProperties": true
+        },
+        "ext": {
+          "title": "Extension Object",
+          "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+          "type": "object",
+          "additionalProperties": true
+        }
+      },
+      "required": [
+        "success"
+      ],
+      "additionalProperties": true,
+      "not": {
+        "required": [
+          "errors"
+        ]
+      }
+    },
+    {
+      "title": "ProvidePerformanceFeedbackError",
+      "description": "Error response - feedback rejected or could not be processed",
+      "type": "object",
+      "properties": {
+        "errors": {
+          "type": "array",
+          "description": "Array of errors explaining why feedback was rejected (e.g., invalid measurement period, missing campaign data)",
+          "items": {
+            "title": "Error",
+            "description": "Standard error structure for task-specific errors and warnings",
+            "type": "object",
+            "properties": {
+              "code": {
+                "type": "string",
+                "description": "Error code for programmatic handling"
+              },
+              "message": {
+                "type": "string",
+                "description": "Human-readable error message"
+              },
+              "field": {
+                "type": "string",
+                "description": "Field path associated with the error (e.g., 'packages[0].targeting')"
+              },
+              "suggestion": {
+                "type": "string",
+                "description": "Suggested fix for the error"
+              },
+              "retry_after": {
+                "type": "number",
+                "description": "Seconds to wait before retrying the operation",
+                "minimum": 0
+              },
+              "details": {
+                "type": "object",
+                "description": "Additional task-specific error details",
+                "additionalProperties": true
+              }
+            },
+            "required": [
+              "code",
+              "message"
+            ],
+            "additionalProperties": true
+          },
+          "minItems": 1
+        },
+        "context": {
+          "title": "Context Object",
+          "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+          "type": "object",
+          "additionalProperties": true
+        },
+        "ext": {
+          "title": "Extension Object",
+          "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+          "type": "object",
+          "additionalProperties": true
+        }
+      },
+      "required": [
+        "errors"
+      ],
+      "additionalProperties": true,
+      "not": {
+        "required": [
+          "success"
+        ]
+      }
+    }
+  ],
+  "_bundled": {
+    "generatedAt": "2026-01-07T19:39:14.384Z",
+    "note": "This is a bundled schema with all $ref resolved inline. For the modular version with references, use the parent directory."
+  }
+}
\ No newline at end of file
diff --git a/dist/schemas/2.5.2/bundled/media-buy/sync-creatives-request.json b/dist/schemas/2.5.2/bundled/media-buy/sync-creatives-request.json
new file mode 100644
index 0000000000..daf4cb559e
--- /dev/null
+++ b/dist/schemas/2.5.2/bundled/media-buy/sync-creatives-request.json
@@ -0,0 +1,1475 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/bundled/media-buy/sync-creatives-request.json",
+  "title": "Sync Creatives Request",
+  "description": "Request parameters for syncing creative assets with upsert semantics - supports bulk operations, scoped updates, and assignment management",
+  "type": "object",
+  "properties": {
+    "creatives": {
+      "type": "array",
+      "description": "Array of creative assets to sync (create or update)",
+      "items": {
+        "title": "Creative Asset",
+        "description": "Creative asset for upload to library - supports static assets, generative formats, and third-party snippets",
+        "type": "object",
+        "properties": {
+          "creative_id": {
+            "type": "string",
+            "description": "Unique identifier for the creative"
+          },
+          "name": {
+            "type": "string",
+            "description": "Human-readable creative name"
+          },
+          "format_id": {
+            "title": "Format ID",
+            "description": "Format identifier specifying which format this creative conforms to. Can be: (1) concrete format_id referencing a format with fixed dimensions, (2) template format_id referencing a template format, or (3) parameterized format_id with dimensions/duration parameters for template formats.",
+            "type": "object",
+            "properties": {
+              "agent_url": {
+                "type": "string",
+                "format": "uri",
+                "description": "URL of the agent that defines this format (e.g., 'https://creatives.adcontextprotocol.org' for standard formats, or 'https://publisher.com/.well-known/adcp/sales' for custom formats)"
+              },
+              "id": {
+                "type": "string",
+                "pattern": "^[a-zA-Z0-9_-]+$",
+                "description": "Format identifier within the agent's namespace (e.g., 'display_static', 'video_hosted', 'audio_standard'). When used alone, references a template format. When combined with dimension/duration fields, creates a parameterized format ID for a specific variant."
+              },
+              "width": {
+                "type": "integer",
+                "minimum": 1,
+                "description": "Width in pixels for visual formats. When specified, height must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+              },
+              "height": {
+                "type": "integer",
+                "minimum": 1,
+                "description": "Height in pixels for visual formats. When specified, width must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+              },
+              "duration_ms": {
+                "type": "number",
+                "minimum": 1,
+                "description": "Duration in milliseconds for time-based formats (video, audio). When specified, creates a parameterized format ID. Omit to reference a template format without parameters."
+              }
+            },
+            "required": [
+              "agent_url",
+              "id"
+            ],
+            "additionalProperties": true,
+            "dependencies": {
+              "width": [
+                "height"
+              ],
+              "height": [
+                "width"
+              ]
+            }
+          },
+          "assets": {
+            "type": "object",
+            "description": "Assets required by the format, keyed by asset_role",
+            "patternProperties": {
+              "^[a-zA-Z0-9_-]+$": {
+                "oneOf": [
+                  {
+                    "title": "Image Asset",
+                    "description": "Image asset with URL and dimensions",
+                    "type": "object",
+                    "properties": {
+                      "url": {
+                        "type": "string",
+                        "format": "uri",
+                        "description": "URL to the image asset"
+                      },
+                      "width": {
+                        "type": "integer",
+                        "minimum": 1,
+                        "description": "Width in pixels"
+                      },
+                      "height": {
+                        "type": "integer",
+                        "minimum": 1,
+                        "description": "Height in pixels"
+                      },
+                      "format": {
+                        "type": "string",
+                        "description": "Image file format (jpg, png, gif, webp, etc.)"
+                      },
+                      "alt_text": {
+                        "type": "string",
+                        "description": "Alternative text for accessibility"
+                      }
+                    },
+                    "required": [
+                      "url",
+                      "width",
+                      "height"
+                    ],
+                    "additionalProperties": true
+                  },
+                  {
+                    "title": "Video Asset",
+                    "description": "Video asset with URL and specifications",
+                    "type": "object",
+                    "properties": {
+                      "url": {
+                        "type": "string",
+                        "format": "uri",
+                        "description": "URL to the video asset"
+                      },
+                      "width": {
+                        "type": "integer",
+                        "minimum": 1,
+                        "description": "Width in pixels"
+                      },
+                      "height": {
+                        "type": "integer",
+                        "minimum": 1,
+                        "description": "Height in pixels"
+                      },
+                      "duration_ms": {
+                        "type": "integer",
+                        "description": "Video duration in milliseconds",
+                        "minimum": 1
+                      },
+                      "format": {
+                        "type": "string",
+                        "description": "Video file format (mp4, webm, mov, etc.)"
+                      },
+                      "bitrate_kbps": {
+                        "type": "integer",
+                        "description": "Video bitrate in kilobits per second",
+                        "minimum": 1
+                      }
+                    },
+                    "required": [
+                      "url",
+                      "width",
+                      "height"
+                    ],
+                    "additionalProperties": true
+                  },
+                  {
+                    "title": "Audio Asset",
+                    "description": "Audio asset with URL and specifications",
+                    "type": "object",
+                    "properties": {
+                      "url": {
+                        "type": "string",
+                        "format": "uri",
+                        "description": "URL to the audio asset"
+                      },
+                      "duration_ms": {
+                        "type": "integer",
+                        "description": "Audio duration in milliseconds",
+                        "minimum": 0
+                      },
+                      "format": {
+                        "type": "string",
+                        "description": "Audio file format (mp3, wav, aac, etc.)"
+                      },
+                      "bitrate_kbps": {
+                        "type": "integer",
+                        "description": "Audio bitrate in kilobits per second",
+                        "minimum": 1
+                      }
+                    },
+                    "required": [
+                      "url"
+                    ],
+                    "additionalProperties": true
+                  },
+                  {
+                    "title": "Text Asset",
+                    "description": "Text content asset",
+                    "type": "object",
+                    "properties": {
+                      "content": {
+                        "type": "string",
+                        "description": "Text content"
+                      },
+                      "language": {
+                        "type": "string",
+                        "description": "Language code (e.g., 'en', 'es', 'fr')"
+                      }
+                    },
+                    "required": [
+                      "content"
+                    ],
+                    "additionalProperties": true
+                  },
+                  {
+                    "title": "HTML Asset",
+                    "description": "HTML content asset",
+                    "type": "object",
+                    "properties": {
+                      "content": {
+                        "type": "string",
+                        "description": "HTML content"
+                      },
+                      "version": {
+                        "type": "string",
+                        "description": "HTML version (e.g., 'HTML5')"
+                      }
+                    },
+                    "required": [
+                      "content"
+                    ],
+                    "additionalProperties": true
+                  },
+                  {
+                    "title": "CSS Asset",
+                    "description": "CSS stylesheet asset",
+                    "type": "object",
+                    "properties": {
+                      "content": {
+                        "type": "string",
+                        "description": "CSS content"
+                      },
+                      "media": {
+                        "type": "string",
+                        "description": "CSS media query context (e.g., 'screen', 'print')"
+                      }
+                    },
+                    "required": [
+                      "content"
+                    ],
+                    "additionalProperties": true
+                  },
+                  {
+                    "title": "JavaScript Asset",
+                    "description": "JavaScript code asset",
+                    "type": "object",
+                    "properties": {
+                      "content": {
+                        "type": "string",
+                        "description": "JavaScript content"
+                      },
+                      "module_type": {
+                        "title": "JavaScript Module Type",
+                        "description": "JavaScript module type",
+                        "type": "string",
+                        "enum": [
+                          "esm",
+                          "commonjs",
+                          "script"
+                        ]
+                      }
+                    },
+                    "required": [
+                      "content"
+                    ],
+                    "additionalProperties": true
+                  },
+                  {
+                    "title": "VAST Asset",
+                    "description": "VAST (Video Ad Serving Template) tag for third-party video ad serving",
+                    "oneOf": [
+                      {
+                        "type": "object",
+                        "properties": {
+                          "delivery_type": {
+                            "type": "string",
+                            "const": "url",
+                            "description": "Discriminator indicating VAST is delivered via URL endpoint"
+                          },
+                          "url": {
+                            "type": "string",
+                            "format": "uri",
+                            "description": "URL endpoint that returns VAST XML"
+                          },
+                          "vast_version": {
+                            "title": "VAST Version",
+                            "description": "VAST specification version",
+                            "type": "string",
+                            "enum": [
+                              "2.0",
+                              "3.0",
+                              "4.0",
+                              "4.1",
+                              "4.2"
+                            ]
+                          },
+                          "vpaid_enabled": {
+                            "type": "boolean",
+                            "description": "Whether VPAID (Video Player-Ad Interface Definition) is supported"
+                          },
+                          "duration_ms": {
+                            "type": "integer",
+                            "description": "Expected video duration in milliseconds (if known)",
+                            "minimum": 0
+                          },
+                          "tracking_events": {
+                            "type": "array",
+                            "items": {
+                              "title": "VAST Tracking Event",
+                              "description": "Standard VAST tracking events for video ad playback and interaction",
+                              "type": "string",
+                              "enum": [
+                                "start",
+                                "firstQuartile",
+                                "midpoint",
+                                "thirdQuartile",
+                                "complete",
+                                "impression",
+                                "click",
+                                "pause",
+                                "resume",
+                                "skip",
+                                "mute",
+                                "unmute",
+                                "fullscreen",
+                                "exitFullscreen",
+                                "playerExpand",
+                                "playerCollapse"
+                              ]
+                            },
+                            "description": "Tracking events supported by this VAST tag"
+                          }
+                        },
+                        "required": [
+                          "delivery_type",
+                          "url"
+                        ],
+                        "additionalProperties": true
+                      },
+                      {
+                        "type": "object",
+                        "properties": {
+                          "delivery_type": {
+                            "type": "string",
+                            "const": "inline",
+                            "description": "Discriminator indicating VAST is delivered as inline XML content"
+                          },
+                          "content": {
+                            "type": "string",
+                            "description": "Inline VAST XML content"
+                          },
+                          "vast_version": {
+                            "title": "VAST Version",
+                            "description": "VAST specification version",
+                            "type": "string",
+                            "enum": [
+                              "2.0",
+                              "3.0",
+                              "4.0",
+                              "4.1",
+                              "4.2"
+                            ]
+                          },
+                          "vpaid_enabled": {
+                            "type": "boolean",
+                            "description": "Whether VPAID (Video Player-Ad Interface Definition) is supported"
+                          },
+                          "duration_ms": {
+                            "type": "integer",
+                            "description": "Expected video duration in milliseconds (if known)",
+                            "minimum": 0
+                          },
+                          "tracking_events": {
+                            "type": "array",
+                            "items": {
+                              "title": "VAST Tracking Event",
+                              "description": "Standard VAST tracking events for video ad playback and interaction",
+                              "type": "string",
+                              "enum": [
+                                "start",
+                                "firstQuartile",
+                                "midpoint",
+                                "thirdQuartile",
+                                "complete",
+                                "impression",
+                                "click",
+                                "pause",
+                                "resume",
+                                "skip",
+                                "mute",
+                                "unmute",
+                                "fullscreen",
+                                "exitFullscreen",
+                                "playerExpand",
+                                "playerCollapse"
+                              ]
+                            },
+                            "description": "Tracking events supported by this VAST tag"
+                          }
+                        },
+                        "required": [
+                          "delivery_type",
+                          "content"
+                        ],
+                        "additionalProperties": true
+                      }
+                    ]
+                  },
+                  {
+                    "title": "DAAST Asset",
+                    "description": "DAAST (Digital Audio Ad Serving Template) tag for third-party audio ad serving",
+                    "oneOf": [
+                      {
+                        "type": "object",
+                        "properties": {
+                          "delivery_type": {
+                            "type": "string",
+                            "const": "url",
+                            "description": "Discriminator indicating DAAST is delivered via URL endpoint"
+                          },
+                          "url": {
+                            "type": "string",
+                            "format": "uri",
+                            "description": "URL endpoint that returns DAAST XML"
+                          },
+                          "daast_version": {
+                            "title": "DAAST Version",
+                            "description": "DAAST specification version",
+                            "type": "string",
+                            "enum": [
+                              "1.0",
+                              "1.1"
+                            ]
+                          },
+                          "duration_ms": {
+                            "type": "integer",
+                            "description": "Expected audio duration in milliseconds (if known)",
+                            "minimum": 0
+                          },
+                          "tracking_events": {
+                            "type": "array",
+                            "items": {
+                              "title": "DAAST Tracking Event",
+                              "description": "Standard DAAST tracking events for audio ad playback and interaction",
+                              "type": "string",
+                              "enum": [
+                                "start",
+                                "firstQuartile",
+                                "midpoint",
+                                "thirdQuartile",
+                                "complete",
+                                "impression",
+                                "pause",
+                                "resume",
+                                "skip",
+                                "mute",
+                                "unmute"
+                              ]
+                            },
+                            "description": "Tracking events supported by this DAAST tag"
+                          },
+                          "companion_ads": {
+                            "type": "boolean",
+                            "description": "Whether companion display ads are included"
+                          }
+                        },
+                        "required": [
+                          "delivery_type",
+                          "url"
+                        ],
+                        "additionalProperties": true
+                      },
+                      {
+                        "type": "object",
+                        "properties": {
+                          "delivery_type": {
+                            "type": "string",
+                            "const": "inline",
+                            "description": "Discriminator indicating DAAST is delivered as inline XML content"
+                          },
+                          "content": {
+                            "type": "string",
+                            "description": "Inline DAAST XML content"
+                          },
+                          "daast_version": {
+                            "title": "DAAST Version",
+                            "description": "DAAST specification version",
+                            "type": "string",
+                            "enum": [
+                              "1.0",
+                              "1.1"
+                            ]
+                          },
+                          "duration_ms": {
+                            "type": "integer",
+                            "description": "Expected audio duration in milliseconds (if known)",
+                            "minimum": 0
+                          },
+                          "tracking_events": {
+                            "type": "array",
+                            "items": {
+                              "title": "DAAST Tracking Event",
+                              "description": "Standard DAAST tracking events for audio ad playback and interaction",
+                              "type": "string",
+                              "enum": [
+                                "start",
+                                "firstQuartile",
+                                "midpoint",
+                                "thirdQuartile",
+                                "complete",
+                                "impression",
+                                "pause",
+                                "resume",
+                                "skip",
+                                "mute",
+                                "unmute"
+                              ]
+                            },
+                            "description": "Tracking events supported by this DAAST tag"
+                          },
+                          "companion_ads": {
+                            "type": "boolean",
+                            "description": "Whether companion display ads are included"
+                          }
+                        },
+                        "required": [
+                          "delivery_type",
+                          "content"
+                        ],
+                        "additionalProperties": true
+                      }
+                    ]
+                  },
+                  {
+                    "title": "Promoted Offerings",
+                    "description": "Complete offering specification combining brand manifest, product selectors, and asset filters. Provides all context needed for creative generation about what is being promoted.",
+                    "type": "object",
+                    "properties": {
+                      "brand_manifest": {
+                        "title": "Brand Manifest Reference",
+                        "description": "Brand information manifest containing assets, themes, and guidelines. Can be provided inline or as a URL reference to a hosted manifest.",
+                        "oneOf": [
+                          {
+                            "title": "Brand Manifest",
+                            "description": "Inline brand manifest object",
+                            "type": "object",
+                            "properties": {
+                              "url": {
+                                "type": "string",
+                                "format": "uri",
+                                "description": "Primary brand URL for context and asset discovery. Creative agents can infer brand information from this URL."
+                              },
+                              "name": {
+                                "type": "string",
+                                "description": "Brand or business name"
+                              },
+                              "logos": {
+                                "type": "array",
+                                "description": "Brand logo assets with semantic tags for different use cases",
+                                "items": {
+                                  "type": "object",
+                                  "properties": {
+                                    "url": {
+                                      "type": "string",
+                                      "format": "uri",
+                                      "description": "URL to the logo asset"
+                                    },
+                                    "tags": {
+                                      "type": "array",
+                                      "description": "Semantic tags describing the logo variant (e.g., 'dark', 'light', 'square', 'horizontal', 'icon')",
+                                      "items": {
+                                        "type": "string"
+                                      }
+                                    },
+                                    "width": {
+                                      "type": "integer",
+                                      "description": "Logo width in pixels"
+                                    },
+                                    "height": {
+                                      "type": "integer",
+                                      "description": "Logo height in pixels"
+                                    }
+                                  },
+                                  "required": [
+                                    "url"
+                                  ]
+                                }
+                              },
+                              "colors": {
+                                "type": "object",
+                                "description": "Brand color palette",
+                                "properties": {
+                                  "primary": {
+                                    "type": "string",
+                                    "pattern": "^#[0-9A-Fa-f]{6}$",
+                                    "description": "Primary brand color (hex format)"
+                                  },
+                                  "secondary": {
+                                    "type": "string",
+                                    "pattern": "^#[0-9A-Fa-f]{6}$",
+                                    "description": "Secondary brand color (hex format)"
+                                  },
+                                  "accent": {
+                                    "type": "string",
+                                    "pattern": "^#[0-9A-Fa-f]{6}$",
+                                    "description": "Accent color (hex format)"
+                                  },
+                                  "background": {
+                                    "type": "string",
+                                    "pattern": "^#[0-9A-Fa-f]{6}$",
+                                    "description": "Background color (hex format)"
+                                  },
+                                  "text": {
+                                    "type": "string",
+                                    "pattern": "^#[0-9A-Fa-f]{6}$",
+                                    "description": "Text color (hex format)"
+                                  }
+                                }
+                              },
+                              "fonts": {
+                                "type": "object",
+                                "description": "Brand typography guidelines",
+                                "properties": {
+                                  "primary": {
+                                    "type": "string",
+                                    "description": "Primary font family name"
+                                  },
+                                  "secondary": {
+                                    "type": "string",
+                                    "description": "Secondary font family name"
+                                  },
+                                  "font_urls": {
+                                    "type": "array",
+                                    "description": "URLs to web font files if using custom fonts",
+                                    "items": {
+                                      "type": "string",
+                                      "format": "uri"
+                                    }
+                                  }
+                                }
+                              },
+                              "tone": {
+                                "type": "string",
+                                "description": "Brand voice and messaging tone (e.g., 'professional', 'casual', 'humorous', 'trustworthy', 'innovative')"
+                              },
+                              "tagline": {
+                                "type": "string",
+                                "description": "Brand tagline or slogan"
+                              },
+                              "assets": {
+                                "type": "array",
+                                "description": "Brand asset library with explicit assets and tags. Assets are referenced inline with URLs pointing to CDN-hosted files.",
+                                "items": {
+                                  "type": "object",
+                                  "properties": {
+                                    "asset_id": {
+                                      "type": "string",
+                                      "description": "Unique identifier for this asset"
+                                    },
+                                    "asset_type": {
+                                      "title": "Asset Content Type",
+                                      "description": "Type of asset. Note: Brand manifests typically contain basic media assets (image, video, audio, text). Code assets (html, javascript, css) and ad markup (vast, daast) are usually not part of brand asset libraries.",
+                                      "type": "string",
+                                      "enum": [
+                                        "image",
+                                        "video",
+                                        "audio",
+                                        "text",
+                                        "markdown",
+                                        "html",
+                                        "css",
+                                        "javascript",
+                                        "vast",
+                                        "daast",
+                                        "promoted_offerings",
+                                        "url",
+                                        "webhook"
+                                      ]
+                                    },
+                                    "url": {
+                                      "type": "string",
+                                      "format": "uri",
+                                      "description": "URL to CDN-hosted asset file"
+                                    },
+                                    "tags": {
+                                      "type": "array",
+                                      "description": "Tags for asset discovery (e.g., 'holiday', 'lifestyle', 'product_shot')",
+                                      "items": {
+                                        "type": "string"
+                                      }
+                                    },
+                                    "name": {
+                                      "type": "string",
+                                      "description": "Human-readable asset name"
+                                    },
+                                    "description": {
+                                      "type": "string",
+                                      "description": "Asset description or usage notes"
+                                    },
+                                    "width": {
+                                      "type": "integer",
+                                      "description": "Image/video width in pixels"
+                                    },
+                                    "height": {
+                                      "type": "integer",
+                                      "description": "Image/video height in pixels"
+                                    },
+                                    "duration_seconds": {
+                                      "type": "number",
+                                      "description": "Video/audio duration in seconds"
+                                    },
+                                    "file_size_bytes": {
+                                      "type": "integer",
+                                      "description": "File size in bytes"
+                                    },
+                                    "format": {
+                                      "type": "string",
+                                      "description": "File format (e.g., 'jpg', 'mp4', 'mp3')"
+                                    },
+                                    "metadata": {
+                                      "type": "object",
+                                      "description": "Additional asset-specific metadata",
+                                      "additionalProperties": true
+                                    }
+                                  },
+                                  "required": [
+                                    "asset_id",
+                                    "asset_type",
+                                    "url"
+                                  ],
+                                  "additionalProperties": true
+                                }
+                              },
+                              "product_catalog": {
+                                "type": "object",
+                                "description": "Product catalog information for e-commerce advertisers. Enables SKU-level creative generation and product selection.",
+                                "properties": {
+                                  "feed_url": {
+                                    "type": "string",
+                                    "format": "uri",
+                                    "description": "URL to product catalog feed"
+                                  },
+                                  "feed_format": {
+                                    "type": "string",
+                                    "enum": [
+                                      "google_merchant_center",
+                                      "facebook_catalog",
+                                      "custom"
+                                    ],
+                                    "default": "google_merchant_center",
+                                    "description": "Format of the product feed"
+                                  },
+                                  "categories": {
+                                    "type": "array",
+                                    "description": "Product categories available in the catalog (for filtering)",
+                                    "items": {
+                                      "type": "string"
+                                    }
+                                  },
+                                  "last_updated": {
+                                    "type": "string",
+                                    "format": "date-time",
+                                    "description": "When the product catalog was last updated"
+                                  },
+                                  "update_frequency": {
+                                    "type": "string",
+                                    "enum": [
+                                      "realtime",
+                                      "hourly",
+                                      "daily",
+                                      "weekly"
+                                    ],
+                                    "description": "How frequently the product catalog is updated"
+                                  }
+                                },
+                                "required": [
+                                  "feed_url"
+                                ],
+                                "additionalProperties": true
+                              },
+                              "disclaimers": {
+                                "type": "array",
+                                "description": "Legal disclaimers or required text that must appear in creatives",
+                                "items": {
+                                  "type": "object",
+                                  "properties": {
+                                    "text": {
+                                      "type": "string",
+                                      "description": "Disclaimer text"
+                                    },
+                                    "context": {
+                                      "type": "string",
+                                      "description": "When this disclaimer applies (e.g., 'financial_products', 'health_claims', 'all')"
+                                    },
+                                    "required": {
+                                      "type": "boolean",
+                                      "description": "Whether this disclaimer must appear",
+                                      "default": true
+                                    }
+                                  },
+                                  "required": [
+                                    "text"
+                                  ]
+                                }
+                              },
+                              "industry": {
+                                "type": "string",
+                                "description": "Industry or vertical (e.g., 'retail', 'automotive', 'finance', 'healthcare')"
+                              },
+                              "target_audience": {
+                                "type": "string",
+                                "description": "Primary target audience description"
+                              },
+                              "contact": {
+                                "type": "object",
+                                "description": "Brand contact information",
+                                "properties": {
+                                  "email": {
+                                    "type": "string",
+                                    "format": "email",
+                                    "description": "Contact email"
+                                  },
+                                  "phone": {
+                                    "type": "string",
+                                    "description": "Contact phone number"
+                                  }
+                                }
+                              },
+                              "metadata": {
+                                "type": "object",
+                                "description": "Additional brand metadata",
+                                "properties": {
+                                  "created_date": {
+                                    "type": "string",
+                                    "format": "date-time",
+                                    "description": "When this brand manifest was created"
+                                  },
+                                  "updated_date": {
+                                    "type": "string",
+                                    "format": "date-time",
+                                    "description": "When this brand manifest was last updated"
+                                  },
+                                  "version": {
+                                    "type": "string",
+                                    "description": "Brand card version number"
+                                  }
+                                }
+                              }
+                            },
+                            "required": [
+                              "name"
+                            ],
+                            "additionalProperties": true,
+                            "examples": [
+                              {
+                                "description": "Example with both URL and name",
+                                "data": {
+                                  "url": "https://bobsfunburgers.com",
+                                  "name": "Bob's Fun Burgers"
+                                }
+                              },
+                              {
+                                "description": "Example: white-label brand without dedicated URL",
+                                "data": {
+                                  "name": "Great Value",
+                                  "colors": {
+                                    "primary": "#0071CE",
+                                    "secondary": "#FFC220"
+                                  },
+                                  "tone": "affordable and trustworthy"
+                                }
+                              },
+                              {
+                                "description": "Full brand manifest with all fields",
+                                "data": {
+                                  "url": "https://acmecorp.com",
+                                  "name": "ACME Corporation",
+                                  "logos": [
+                                    {
+                                      "url": "https://cdn.acmecorp.com/logo-square-dark.png",
+                                      "tags": [
+                                        "dark",
+                                        "square"
+                                      ],
+                                      "width": 512,
+                                      "height": 512
+                                    },
+                                    {
+                                      "url": "https://cdn.acmecorp.com/logo-horizontal-light.png",
+                                      "tags": [
+                                        "light",
+                                        "horizontal"
+                                      ],
+                                      "width": 1200,
+                                      "height": 400
+                                    }
+                                  ],
+                                  "colors": {
+                                    "primary": "#FF6B35",
+                                    "secondary": "#004E89",
+                                    "accent": "#F7931E",
+                                    "background": "#FFFFFF",
+                                    "text": "#1A1A1A"
+                                  },
+                                  "fonts": {
+                                    "primary": "Helvetica Neue",
+                                    "secondary": "Georgia"
+                                  },
+                                  "tone": "professional and trustworthy",
+                                  "tagline": "Innovation You Can Trust",
+                                  "assets": [
+                                    {
+                                      "asset_id": "hero_winter_2024",
+                                      "asset_type": "image",
+                                      "url": "https://cdn.acmecorp.com/hero-winter-2024.jpg",
+                                      "tags": [
+                                        "hero",
+                                        "winter",
+                                        "holiday",
+                                        "lifestyle"
+                                      ],
+                                      "name": "Winter Campaign Hero",
+                                      "width": 1920,
+                                      "height": 1080,
+                                      "format": "jpg"
+                                    },
+                                    {
+                                      "asset_id": "product_video_30s",
+                                      "asset_type": "video",
+                                      "url": "https://cdn.acmecorp.com/product-demo-30s.mp4",
+                                      "tags": [
+                                        "product",
+                                        "demo",
+                                        "30s"
+                                      ],
+                                      "name": "Product Demo 30 Second",
+                                      "width": 1920,
+                                      "height": 1080,
+                                      "duration_seconds": 30,
+                                      "format": "mp4"
+                                    }
+                                  ],
+                                  "product_catalog": {
+                                    "feed_url": "https://acmecorp.com/products.xml",
+                                    "feed_format": "google_merchant_center",
+                                    "categories": [
+                                      "electronics/computers",
+                                      "electronics/accessories"
+                                    ],
+                                    "last_updated": "2024-03-15T10:00:00Z",
+                                    "update_frequency": "hourly"
+                                  },
+                                  "disclaimers": [
+                                    {
+                                      "text": "Results may vary. Consult a professional before use.",
+                                      "context": "health_claims",
+                                      "required": true
+                                    }
+                                  ],
+                                  "industry": "technology",
+                                  "target_audience": "business decision-makers aged 35-55"
+                                }
+                              }
+                            ]
+                          },
+                          {
+                            "type": "string",
+                            "format": "uri",
+                            "description": "URL to a hosted brand manifest JSON file. The manifest at this URL must conform to the brand-manifest.json schema."
+                          }
+                        ],
+                        "examples": [
+                          {
+                            "description": "Inline brand manifest",
+                            "data": {
+                              "url": "https://acmecorp.com",
+                              "name": "ACME Corporation",
+                              "colors": {
+                                "primary": "#FF6B35"
+                              }
+                            }
+                          },
+                          {
+                            "description": "URL string reference to hosted manifest",
+                            "data": "https://cdn.acmecorp.com/brand-manifest.json"
+                          }
+                        ]
+                      },
+                      "product_selectors": {
+                        "title": "Promoted Products",
+                        "description": "Selectors to choose which products/offerings from the brand manifest product catalog to promote",
+                        "type": "object",
+                        "properties": {
+                          "manifest_skus": {
+                            "type": "array",
+                            "description": "Direct product SKU references from the brand manifest product catalog",
+                            "items": {
+                              "type": "string"
+                            }
+                          },
+                          "manifest_tags": {
+                            "type": "array",
+                            "description": "Select products by tags from the brand manifest product catalog (e.g., 'organic', 'sauces', 'holiday')",
+                            "items": {
+                              "type": "string"
+                            }
+                          },
+                          "manifest_category": {
+                            "type": "string",
+                            "description": "Select products from a specific category in the brand manifest product catalog (e.g., 'beverages/soft-drinks', 'food/sauces')"
+                          },
+                          "manifest_query": {
+                            "type": "string",
+                            "description": "Natural language query to select products from the brand manifest (e.g., 'all Kraft Heinz pasta sauces', 'organic products under $20')"
+                          }
+                        },
+                        "additionalProperties": true,
+                        "examples": [
+                          {
+                            "description": "Direct SKU selection for specific products from brand manifest",
+                            "data": {
+                              "manifest_skus": [
+                                "SKU-12345",
+                                "SKU-67890"
+                              ]
+                            }
+                          },
+                          {
+                            "description": "UNION selection: products tagged 'organic' OR 'sauces' OR in 'food/condiments' category from brand manifest",
+                            "data": {
+                              "manifest_tags": [
+                                "organic",
+                                "sauces"
+                              ],
+                              "manifest_category": "food/condiments"
+                            }
+                          },
+                          {
+                            "description": "Natural language product selection from brand manifest",
+                            "data": {
+                              "manifest_query": "all Kraft Heinz pasta sauces under $5"
+                            }
+                          },
+                          {
+                            "description": "Select products by tags",
+                            "data": {
+                              "manifest_tags": [
+                                "holiday"
+                              ]
+                            }
+                          }
+                        ]
+                      },
+                      "offerings": {
+                        "type": "array",
+                        "description": "Inline offerings for campaigns without a product catalog. Each offering has a name, description, and associated assets.",
+                        "items": {
+                          "type": "object",
+                          "properties": {
+                            "name": {
+                              "type": "string",
+                              "description": "Offering name (e.g., 'Winter Sale', 'New Product Launch')"
+                            },
+                            "description": {
+                              "type": "string",
+                              "description": "Description of what's being offered"
+                            },
+                            "assets": {
+                              "type": "array",
+                              "description": "Assets specific to this offering",
+                              "items": {
+                                "type": "object",
+                                "description": "Asset definition using standard asset structure",
+                                "additionalProperties": true
+                              }
+                            }
+                          },
+                          "required": [
+                            "name"
+                          ],
+                          "additionalProperties": true
+                        }
+                      },
+                      "asset_selectors": {
+                        "type": "object",
+                        "description": "Selectors to choose specific assets from the brand manifest",
+                        "properties": {
+                          "tags": {
+                            "type": "array",
+                            "description": "Select assets with specific tags (e.g., ['holiday', 'premium'])",
+                            "items": {
+                              "type": "string"
+                            }
+                          },
+                          "asset_types": {
+                            "type": "array",
+                            "description": "Filter by asset type (e.g., ['image', 'video'])",
+                            "items": {
+                              "type": "string",
+                              "enum": [
+                                "image",
+                                "video",
+                                "audio",
+                                "vast",
+                                "daast",
+                                "text",
+                                "url",
+                                "html",
+                                "css",
+                                "javascript",
+                                "webhook"
+                              ]
+                            }
+                          },
+                          "exclude_tags": {
+                            "type": "array",
+                            "description": "Exclude assets with these tags",
+                            "items": {
+                              "type": "string"
+                            }
+                          }
+                        },
+                        "additionalProperties": true
+                      }
+                    },
+                    "required": [
+                      "brand_manifest"
+                    ],
+                    "additionalProperties": true,
+                    "examples": [
+                      {
+                        "brand_manifest": {
+                          "name": "Brand Name",
+                          "url": "https://brand.com"
+                        },
+                        "product_selectors": {
+                          "manifest_skus": [
+                            "SKU-123",
+                            "SKU-456"
+                          ]
+                        },
+                        "asset_selectors": {
+                          "tags": [
+                            "holiday"
+                          ],
+                          "asset_types": [
+                            "image",
+                            "video"
+                          ]
+                        }
+                      }
+                    ]
+                  },
+                  {
+                    "title": "URL Asset",
+                    "description": "URL reference asset",
+                    "type": "object",
+                    "properties": {
+                      "url": {
+                        "type": "string",
+                        "format": "uri",
+                        "description": "URL reference"
+                      },
+                      "url_type": {
+                        "title": "URL Asset Type",
+                        "description": "Type of URL asset: 'clickthrough' for user click destination (landing page), 'tracker_pixel' for impression/event tracking via HTTP request (fires GET, expects pixel/204 response), 'tracker_script' for measurement SDKs that must load as <script> tag (OMID verification, native event trackers using method:2)",
+                        "type": "string",
+                        "enum": [
+                          "clickthrough",
+                          "tracker_pixel",
+                          "tracker_script"
+                        ]
+                      },
+                      "description": {
+                        "type": "string",
+                        "description": "Description of what this URL points to"
+                      }
+                    },
+                    "required": [
+                      "url"
+                    ],
+                    "additionalProperties": true
+                  }
+                ]
+              }
+            },
+            "additionalProperties": true
+          },
+          "inputs": {
+            "type": "array",
+            "description": "Preview contexts for generative formats - defines what scenarios to generate previews for",
+            "items": {
+              "type": "object",
+              "properties": {
+                "name": {
+                  "type": "string",
+                  "description": "Human-readable name for this preview variant"
+                },
+                "macros": {
+                  "type": "object",
+                  "description": "Macro values to apply for this preview",
+                  "additionalProperties": {
+                    "type": "string"
+                  }
+                },
+                "context_description": {
+                  "type": "string",
+                  "description": "Natural language description of the context for AI-generated content"
+                }
+              },
+              "required": [
+                "name"
+              ],
+              "additionalProperties": true
+            }
+          },
+          "tags": {
+            "type": "array",
+            "description": "User-defined tags for organization and searchability",
+            "items": {
+              "type": "string"
+            }
+          },
+          "approved": {
+            "type": "boolean",
+            "description": "For generative creatives: set to true to approve and finalize, false to request regeneration with updated assets/message. Omit for non-generative creatives."
+          },
+          "weight": {
+            "type": "number",
+            "description": "Optional delivery weight for creative rotation when uploading via create_media_buy or update_media_buy (0-100). If omitted, platform determines rotation. Only used during upload to media buy - not stored in creative library.",
+            "minimum": 0,
+            "maximum": 100
+          },
+          "placement_ids": {
+            "type": "array",
+            "description": "Optional array of placement IDs where this creative should run when uploading via create_media_buy or update_media_buy. References placement_id values from the product's placements array. If omitted, creative runs on all placements. Only used during upload to media buy - not stored in creative library.",
+            "items": {
+              "type": "string"
+            },
+            "minItems": 1
+          }
+        },
+        "required": [
+          "creative_id",
+          "name",
+          "format_id",
+          "assets"
+        ],
+        "additionalProperties": true
+      },
+      "maxItems": 100
+    },
+    "creative_ids": {
+      "type": "array",
+      "description": "Optional filter to limit sync scope to specific creative IDs. When provided, only these creatives will be created/updated. Other creatives in the library are unaffected. Useful for partial updates and error recovery.",
+      "items": {
+        "type": "string"
+      },
+      "maxItems": 100
+    },
+    "assignments": {
+      "type": "object",
+      "description": "Optional bulk assignment of creatives to packages",
+      "patternProperties": {
+        "^[a-zA-Z0-9_-]+$": {
+          "type": "array",
+          "description": "Array of package IDs to assign this creative to",
+          "items": {
+            "type": "string"
+          }
+        }
+      },
+      "additionalProperties": true
+    },
+    "delete_missing": {
+      "type": "boolean",
+      "default": false,
+      "description": "When true, creatives not included in this sync will be archived. Use with caution for full library replacement."
+    },
+    "dry_run": {
+      "type": "boolean",
+      "default": false,
+      "description": "When true, preview changes without applying them. Returns what would be created/updated/deleted."
+    },
+    "validation_mode": {
+      "title": "Validation Mode",
+      "description": "Validation strictness. 'strict' fails entire sync on any validation error. 'lenient' processes valid creatives and reports errors.",
+      "type": "string",
+      "enum": [
+        "strict",
+        "lenient"
+      ],
+      "default": "strict"
+    },
+    "push_notification_config": {
+      "title": "Push Notification Config",
+      "description": "Optional webhook configuration for async sync notifications. Publisher will send webhook when sync completes if operation takes longer than immediate response time (typically for large bulk operations or manual approval/HITL).",
+      "type": "object",
+      "properties": {
+        "url": {
+          "type": "string",
+          "format": "uri",
+          "description": "Webhook endpoint URL for task status notifications"
+        },
+        "token": {
+          "type": "string",
+          "description": "Optional client-provided token for webhook validation. Echoed back in webhook payload to validate request authenticity.",
+          "minLength": 16
+        },
+        "authentication": {
+          "type": "object",
+          "description": "Authentication configuration for webhook delivery (A2A-compatible)",
+          "properties": {
+            "schemes": {
+              "type": "array",
+              "description": "Array of authentication schemes. Supported: ['Bearer'] for simple token auth, ['HMAC-SHA256'] for signature verification (recommended for production)",
+              "items": {
+                "title": "Authentication Scheme",
+                "description": "Authentication schemes for push notification endpoints",
+                "type": "string",
+                "enum": [
+                  "Bearer",
+                  "HMAC-SHA256"
+                ]
+              },
+              "minItems": 1,
+              "maxItems": 1
+            },
+            "credentials": {
+              "type": "string",
+              "description": "Credentials for authentication. For Bearer: token sent in Authorization header. For HMAC-SHA256: shared secret used to generate signature. Minimum 32 characters. Exchanged out-of-band during onboarding.",
+              "minLength": 32
+            }
+          },
+          "required": [
+            "schemes",
+            "credentials"
+          ],
+          "additionalProperties": false
+        }
+      },
+      "required": [
+        "url",
+        "authentication"
+      ]
+    },
+    "context": {
+      "title": "Context Object",
+      "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+      "type": "object",
+      "additionalProperties": true
+    },
+    "ext": {
+      "title": "Extension Object",
+      "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+      "type": "object",
+      "additionalProperties": true
+    }
+  },
+  "required": [
+    "creatives"
+  ],
+  "additionalProperties": true,
+  "examples": [
+    {
+      "description": "Full sync with hosted video creative",
+      "data": {
+        "creatives": [
+          {
+            "creative_id": "hero_video_30s",
+            "name": "Brand Hero Video 30s",
+            "format_id": {
+              "agent_url": "https://creative.adcontextprotocol.org",
+              "id": "video_standard_30s"
+            },
+            "assets": {
+              "video": {
+                "url": "https://cdn.example.com/hero-video.mp4",
+                "width": 1920,
+                "height": 1080,
+                "duration_ms": 30000
+              }
+            },
+            "tags": [
+              "q1_2024",
+              "video"
+            ]
+          }
+        ],
+        "assignments": {
+          "hero_video_30s": [
+            "pkg_ctv_001",
+            "pkg_ctv_002"
+          ]
+        }
+      }
+    },
+    {
+      "description": "Generative creative with approval",
+      "data": {
+        "creatives": [
+          {
+            "creative_id": "holiday_hero",
+            "name": "Holiday Campaign Hero",
+            "format_id": {
+              "agent_url": "https://publisher.com/.well-known/adcp/sales",
+              "id": "premium_bespoke_display"
+            },
+            "assets": {
+              "promoted_offerings": {
+                "brand_manifest": {
+                  "url": "https://retailer.com",
+                  "colors": {
+                    "primary": "#C41E3A",
+                    "secondary": "#165B33"
+                  }
+                }
+              },
+              "generation_prompt": {
+                "content": "Create a warm, festive holiday campaign featuring winter products"
+              }
+            },
+            "tags": [
+              "holiday",
+              "q4_2024"
+            ]
+          }
+        ]
+      }
+    },
+    {
+      "description": "Scoped update using creative_ids filter",
+      "data": {
+        "creative_ids": [
+          "hero_video_30s",
+          "banner_300x250"
+        ],
+        "creatives": [
+          {
+            "creative_id": "hero_video_30s",
+            "name": "Brand Hero Video 30s - Updated",
+            "format_id": {
+              "agent_url": "https://creative.adcontextprotocol.org",
+              "id": "video_standard_30s"
+            },
+            "assets": {
+              "video": {
+                "url": "https://cdn.example.com/updated-hero.mp4",
+                "width": 1920,
+                "height": 1080,
+                "duration_ms": 30000
+              }
+            }
+          },
+          {
+            "creative_id": "banner_300x250",
+            "name": "Display Banner 300x250 - Updated",
+            "format_id": {
+              "agent_url": "https://creative.adcontextprotocol.org",
+              "id": "display_300x250"
+            },
+            "assets": {
+              "image": {
+                "url": "https://cdn.example.com/updated-banner.png",
+                "width": 300,
+                "height": 250
+              }
+            }
+          }
+        ]
+      }
+    }
+  ],
+  "_bundled": {
+    "generatedAt": "2026-01-07T19:39:14.385Z",
+    "note": "This is a bundled schema with all $ref resolved inline. For the modular version with references, use the parent directory."
+  }
+}
\ No newline at end of file
diff --git a/dist/schemas/2.5.2/bundled/media-buy/sync-creatives-response.json b/dist/schemas/2.5.2/bundled/media-buy/sync-creatives-response.json
new file mode 100644
index 0000000000..8968d444af
--- /dev/null
+++ b/dist/schemas/2.5.2/bundled/media-buy/sync-creatives-response.json
@@ -0,0 +1,208 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/bundled/media-buy/sync-creatives-response.json",
+  "title": "Sync Creatives Response",
+  "description": "Response from creative sync operation. Returns either per-creative results (best-effort processing) OR operation-level errors (complete failure). This enforces atomic semantics at the operation level while allowing per-item failures within successful operations.",
+  "type": "object",
+  "oneOf": [
+    {
+      "title": "SyncCreativesSuccess",
+      "description": "Success response - sync operation processed creatives (may include per-item failures)",
+      "type": "object",
+      "properties": {
+        "dry_run": {
+          "type": "boolean",
+          "description": "Whether this was a dry run (no actual changes made)"
+        },
+        "creatives": {
+          "type": "array",
+          "description": "Results for each creative processed. Items with action='failed' indicate per-item validation/processing failures, not operation-level failures.",
+          "items": {
+            "type": "object",
+            "properties": {
+              "creative_id": {
+                "type": "string",
+                "description": "Creative ID from the request"
+              },
+              "action": {
+                "title": "Creative Action",
+                "description": "Action taken for this creative",
+                "type": "string",
+                "enum": [
+                  "created",
+                  "updated",
+                  "unchanged",
+                  "failed",
+                  "deleted"
+                ]
+              },
+              "platform_id": {
+                "type": "string",
+                "description": "Platform-specific ID assigned to the creative"
+              },
+              "changes": {
+                "type": "array",
+                "description": "Field names that were modified (only present when action='updated')",
+                "items": {
+                  "type": "string"
+                }
+              },
+              "errors": {
+                "type": "array",
+                "description": "Validation or processing errors (only present when action='failed')",
+                "items": {
+                  "type": "string"
+                }
+              },
+              "warnings": {
+                "type": "array",
+                "description": "Non-fatal warnings about this creative",
+                "items": {
+                  "type": "string"
+                }
+              },
+              "preview_url": {
+                "type": "string",
+                "format": "uri",
+                "description": "Preview URL for generative creatives (only present for generative formats)"
+              },
+              "expires_at": {
+                "type": "string",
+                "format": "date-time",
+                "description": "ISO 8601 timestamp when preview link expires (only present when preview_url exists)"
+              },
+              "assigned_to": {
+                "type": "array",
+                "description": "Package IDs this creative was successfully assigned to (only present when assignments were requested)",
+                "items": {
+                  "type": "string"
+                }
+              },
+              "assignment_errors": {
+                "type": "object",
+                "description": "Assignment errors by package ID (only present when assignment failures occurred)",
+                "patternProperties": {
+                  "^[a-zA-Z0-9_-]+$": {
+                    "type": "string",
+                    "description": "Error message for this package assignment"
+                  }
+                },
+                "additionalProperties": true
+              }
+            },
+            "required": [
+              "creative_id",
+              "action"
+            ],
+            "additionalProperties": true
+          }
+        },
+        "context": {
+          "title": "Context Object",
+          "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+          "type": "object",
+          "additionalProperties": true
+        },
+        "ext": {
+          "title": "Extension Object",
+          "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+          "type": "object",
+          "additionalProperties": true
+        }
+      },
+      "required": [
+        "creatives"
+      ],
+      "additionalProperties": true,
+      "not": {
+        "required": [
+          "errors"
+        ]
+      }
+    },
+    {
+      "title": "SyncCreativesError",
+      "description": "Error response - operation failed completely, no creatives were processed",
+      "type": "object",
+      "properties": {
+        "errors": {
+          "type": "array",
+          "description": "Operation-level errors that prevented processing any creatives (e.g., authentication failure, service unavailable, invalid request format)",
+          "items": {
+            "title": "Error",
+            "description": "Standard error structure for task-specific errors and warnings",
+            "type": "object",
+            "properties": {
+              "code": {
+                "type": "string",
+                "description": "Error code for programmatic handling"
+              },
+              "message": {
+                "type": "string",
+                "description": "Human-readable error message"
+              },
+              "field": {
+                "type": "string",
+                "description": "Field path associated with the error (e.g., 'packages[0].targeting')"
+              },
+              "suggestion": {
+                "type": "string",
+                "description": "Suggested fix for the error"
+              },
+              "retry_after": {
+                "type": "number",
+                "description": "Seconds to wait before retrying the operation",
+                "minimum": 0
+              },
+              "details": {
+                "type": "object",
+                "description": "Additional task-specific error details",
+                "additionalProperties": true
+              }
+            },
+            "required": [
+              "code",
+              "message"
+            ],
+            "additionalProperties": true
+          },
+          "minItems": 1
+        },
+        "context": {
+          "title": "Context Object",
+          "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+          "type": "object",
+          "additionalProperties": true
+        },
+        "ext": {
+          "title": "Extension Object",
+          "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+          "type": "object",
+          "additionalProperties": true
+        }
+      },
+      "required": [
+        "errors"
+      ],
+      "additionalProperties": true,
+      "not": {
+        "anyOf": [
+          {
+            "required": [
+              "creatives"
+            ]
+          },
+          {
+            "required": [
+              "dry_run"
+            ]
+          }
+        ]
+      }
+    }
+  ],
+  "_bundled": {
+    "generatedAt": "2026-01-07T19:39:14.385Z",
+    "note": "This is a bundled schema with all $ref resolved inline. For the modular version with references, use the parent directory."
+  }
+}
\ No newline at end of file
diff --git a/dist/schemas/2.5.2/bundled/media-buy/update-media-buy-request.json b/dist/schemas/2.5.2/bundled/media-buy/update-media-buy-request.json
new file mode 100644
index 0000000000..dcc59e999c
--- /dev/null
+++ b/dist/schemas/2.5.2/bundled/media-buy/update-media-buy-request.json
@@ -0,0 +1,1525 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/bundled/media-buy/update-media-buy-request.json",
+  "title": "Update Media Buy Request",
+  "description": "Request parameters for updating campaign and package settings",
+  "type": "object",
+  "properties": {
+    "media_buy_id": {
+      "type": "string",
+      "description": "Publisher's ID of the media buy to update"
+    },
+    "buyer_ref": {
+      "type": "string",
+      "description": "Buyer's reference for the media buy to update"
+    },
+    "paused": {
+      "type": "boolean",
+      "description": "Pause/resume the entire media buy (true = paused, false = active)"
+    },
+    "start_time": {
+      "title": "Start Timing",
+      "description": "Campaign start timing: 'asap' or ISO 8601 date-time",
+      "oneOf": [
+        {
+          "type": "string",
+          "const": "asap",
+          "description": "Start campaign as soon as possible"
+        },
+        {
+          "type": "string",
+          "format": "date-time",
+          "description": "Scheduled start date/time in ISO 8601 format"
+        }
+      ]
+    },
+    "end_time": {
+      "type": "string",
+      "format": "date-time",
+      "description": "New end date/time in ISO 8601 format"
+    },
+    "packages": {
+      "type": "array",
+      "description": "Package-specific updates",
+      "items": {
+        "type": "object",
+        "properties": {
+          "package_id": {
+            "type": "string",
+            "description": "Publisher's ID of package to update"
+          },
+          "buyer_ref": {
+            "type": "string",
+            "description": "Buyer's reference for the package to update"
+          },
+          "budget": {
+            "type": "number",
+            "description": "Updated budget allocation for this package in the currency specified by the pricing option",
+            "minimum": 0
+          },
+          "pacing": {
+            "title": "Pacing",
+            "description": "Budget pacing strategy",
+            "type": "string",
+            "enum": [
+              "even",
+              "asap",
+              "front_loaded"
+            ],
+            "enumDescriptions": {
+              "even": "Allocate remaining budget evenly over remaining campaign duration (default)",
+              "asap": "Spend remaining budget as quickly as possible",
+              "front_loaded": "Allocate more remaining budget earlier in the remaining campaign period"
+            }
+          },
+          "bid_price": {
+            "type": "number",
+            "description": "Updated bid price for auction-based pricing options (only applies when pricing_option is auction-based)",
+            "minimum": 0
+          },
+          "paused": {
+            "type": "boolean",
+            "description": "Pause/resume specific package (true = paused, false = active)"
+          },
+          "targeting_overlay": {
+            "title": "Targeting Overlay",
+            "description": "Optional geographic refinements for media buys. Most targeting should be expressed in the brief and handled by the publisher. These fields are primarily for geographic restrictions (RCT testing, regulatory compliance).",
+            "type": "object",
+            "properties": {
+              "geo_country_any_of": {
+                "type": "array",
+                "description": "Restrict delivery to specific countries (ISO codes). Use for regulatory compliance or RCT testing.",
+                "items": {
+                  "type": "string",
+                  "pattern": "^[A-Z]{2}$"
+                }
+              },
+              "geo_region_any_of": {
+                "type": "array",
+                "description": "Restrict delivery to specific regions/states. Use for regulatory compliance or RCT testing.",
+                "items": {
+                  "type": "string"
+                }
+              },
+              "geo_metro_any_of": {
+                "type": "array",
+                "description": "Restrict delivery to specific metro areas (DMA codes). Use for regulatory compliance or RCT testing.",
+                "items": {
+                  "type": "string"
+                }
+              },
+              "geo_postal_code_any_of": {
+                "type": "array",
+                "description": "Restrict delivery to specific postal/ZIP codes. Use for regulatory compliance or RCT testing.",
+                "items": {
+                  "type": "string"
+                }
+              },
+              "axe_include_segment": {
+                "type": "string",
+                "description": "AXE segment ID to include for targeting"
+              },
+              "axe_exclude_segment": {
+                "type": "string",
+                "description": "AXE segment ID to exclude from targeting"
+              },
+              "frequency_cap": {
+                "title": "Frequency Cap",
+                "description": "Frequency capping settings for package-level application",
+                "type": "object",
+                "properties": {
+                  "suppress_minutes": {
+                    "type": "number",
+                    "description": "Minutes to suppress after impression",
+                    "minimum": 0
+                  }
+                },
+                "required": [
+                  "suppress_minutes"
+                ],
+                "additionalProperties": true
+              }
+            },
+            "additionalProperties": true
+          },
+          "creative_ids": {
+            "type": "array",
+            "description": "Update creative assignments (references existing library creatives)",
+            "items": {
+              "type": "string"
+            }
+          },
+          "creatives": {
+            "type": "array",
+            "description": "Full creative objects to upload and assign to this package (alternative to creative_ids - creatives will be added to library). Supports both static and generative creatives.",
+            "items": {
+              "title": "Creative Asset",
+              "description": "Creative asset for upload to library - supports static assets, generative formats, and third-party snippets",
+              "type": "object",
+              "properties": {
+                "creative_id": {
+                  "type": "string",
+                  "description": "Unique identifier for the creative"
+                },
+                "name": {
+                  "type": "string",
+                  "description": "Human-readable creative name"
+                },
+                "format_id": {
+                  "title": "Format ID",
+                  "description": "Format identifier specifying which format this creative conforms to. Can be: (1) concrete format_id referencing a format with fixed dimensions, (2) template format_id referencing a template format, or (3) parameterized format_id with dimensions/duration parameters for template formats.",
+                  "type": "object",
+                  "properties": {
+                    "agent_url": {
+                      "type": "string",
+                      "format": "uri",
+                      "description": "URL of the agent that defines this format (e.g., 'https://creatives.adcontextprotocol.org' for standard formats, or 'https://publisher.com/.well-known/adcp/sales' for custom formats)"
+                    },
+                    "id": {
+                      "type": "string",
+                      "pattern": "^[a-zA-Z0-9_-]+$",
+                      "description": "Format identifier within the agent's namespace (e.g., 'display_static', 'video_hosted', 'audio_standard'). When used alone, references a template format. When combined with dimension/duration fields, creates a parameterized format ID for a specific variant."
+                    },
+                    "width": {
+                      "type": "integer",
+                      "minimum": 1,
+                      "description": "Width in pixels for visual formats. When specified, height must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+                    },
+                    "height": {
+                      "type": "integer",
+                      "minimum": 1,
+                      "description": "Height in pixels for visual formats. When specified, width must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+                    },
+                    "duration_ms": {
+                      "type": "number",
+                      "minimum": 1,
+                      "description": "Duration in milliseconds for time-based formats (video, audio). When specified, creates a parameterized format ID. Omit to reference a template format without parameters."
+                    }
+                  },
+                  "required": [
+                    "agent_url",
+                    "id"
+                  ],
+                  "additionalProperties": true,
+                  "dependencies": {
+                    "width": [
+                      "height"
+                    ],
+                    "height": [
+                      "width"
+                    ]
+                  }
+                },
+                "assets": {
+                  "type": "object",
+                  "description": "Assets required by the format, keyed by asset_role",
+                  "patternProperties": {
+                    "^[a-zA-Z0-9_-]+$": {
+                      "oneOf": [
+                        {
+                          "title": "Image Asset",
+                          "description": "Image asset with URL and dimensions",
+                          "type": "object",
+                          "properties": {
+                            "url": {
+                              "type": "string",
+                              "format": "uri",
+                              "description": "URL to the image asset"
+                            },
+                            "width": {
+                              "type": "integer",
+                              "minimum": 1,
+                              "description": "Width in pixels"
+                            },
+                            "height": {
+                              "type": "integer",
+                              "minimum": 1,
+                              "description": "Height in pixels"
+                            },
+                            "format": {
+                              "type": "string",
+                              "description": "Image file format (jpg, png, gif, webp, etc.)"
+                            },
+                            "alt_text": {
+                              "type": "string",
+                              "description": "Alternative text for accessibility"
+                            }
+                          },
+                          "required": [
+                            "url",
+                            "width",
+                            "height"
+                          ],
+                          "additionalProperties": true
+                        },
+                        {
+                          "title": "Video Asset",
+                          "description": "Video asset with URL and specifications",
+                          "type": "object",
+                          "properties": {
+                            "url": {
+                              "type": "string",
+                              "format": "uri",
+                              "description": "URL to the video asset"
+                            },
+                            "width": {
+                              "type": "integer",
+                              "minimum": 1,
+                              "description": "Width in pixels"
+                            },
+                            "height": {
+                              "type": "integer",
+                              "minimum": 1,
+                              "description": "Height in pixels"
+                            },
+                            "duration_ms": {
+                              "type": "integer",
+                              "description": "Video duration in milliseconds",
+                              "minimum": 1
+                            },
+                            "format": {
+                              "type": "string",
+                              "description": "Video file format (mp4, webm, mov, etc.)"
+                            },
+                            "bitrate_kbps": {
+                              "type": "integer",
+                              "description": "Video bitrate in kilobits per second",
+                              "minimum": 1
+                            }
+                          },
+                          "required": [
+                            "url",
+                            "width",
+                            "height"
+                          ],
+                          "additionalProperties": true
+                        },
+                        {
+                          "title": "Audio Asset",
+                          "description": "Audio asset with URL and specifications",
+                          "type": "object",
+                          "properties": {
+                            "url": {
+                              "type": "string",
+                              "format": "uri",
+                              "description": "URL to the audio asset"
+                            },
+                            "duration_ms": {
+                              "type": "integer",
+                              "description": "Audio duration in milliseconds",
+                              "minimum": 0
+                            },
+                            "format": {
+                              "type": "string",
+                              "description": "Audio file format (mp3, wav, aac, etc.)"
+                            },
+                            "bitrate_kbps": {
+                              "type": "integer",
+                              "description": "Audio bitrate in kilobits per second",
+                              "minimum": 1
+                            }
+                          },
+                          "required": [
+                            "url"
+                          ],
+                          "additionalProperties": true
+                        },
+                        {
+                          "title": "Text Asset",
+                          "description": "Text content asset",
+                          "type": "object",
+                          "properties": {
+                            "content": {
+                              "type": "string",
+                              "description": "Text content"
+                            },
+                            "language": {
+                              "type": "string",
+                              "description": "Language code (e.g., 'en', 'es', 'fr')"
+                            }
+                          },
+                          "required": [
+                            "content"
+                          ],
+                          "additionalProperties": true
+                        },
+                        {
+                          "title": "HTML Asset",
+                          "description": "HTML content asset",
+                          "type": "object",
+                          "properties": {
+                            "content": {
+                              "type": "string",
+                              "description": "HTML content"
+                            },
+                            "version": {
+                              "type": "string",
+                              "description": "HTML version (e.g., 'HTML5')"
+                            }
+                          },
+                          "required": [
+                            "content"
+                          ],
+                          "additionalProperties": true
+                        },
+                        {
+                          "title": "CSS Asset",
+                          "description": "CSS stylesheet asset",
+                          "type": "object",
+                          "properties": {
+                            "content": {
+                              "type": "string",
+                              "description": "CSS content"
+                            },
+                            "media": {
+                              "type": "string",
+                              "description": "CSS media query context (e.g., 'screen', 'print')"
+                            }
+                          },
+                          "required": [
+                            "content"
+                          ],
+                          "additionalProperties": true
+                        },
+                        {
+                          "title": "JavaScript Asset",
+                          "description": "JavaScript code asset",
+                          "type": "object",
+                          "properties": {
+                            "content": {
+                              "type": "string",
+                              "description": "JavaScript content"
+                            },
+                            "module_type": {
+                              "title": "JavaScript Module Type",
+                              "description": "JavaScript module type",
+                              "type": "string",
+                              "enum": [
+                                "esm",
+                                "commonjs",
+                                "script"
+                              ]
+                            }
+                          },
+                          "required": [
+                            "content"
+                          ],
+                          "additionalProperties": true
+                        },
+                        {
+                          "title": "VAST Asset",
+                          "description": "VAST (Video Ad Serving Template) tag for third-party video ad serving",
+                          "oneOf": [
+                            {
+                              "type": "object",
+                              "properties": {
+                                "delivery_type": {
+                                  "type": "string",
+                                  "const": "url",
+                                  "description": "Discriminator indicating VAST is delivered via URL endpoint"
+                                },
+                                "url": {
+                                  "type": "string",
+                                  "format": "uri",
+                                  "description": "URL endpoint that returns VAST XML"
+                                },
+                                "vast_version": {
+                                  "title": "VAST Version",
+                                  "description": "VAST specification version",
+                                  "type": "string",
+                                  "enum": [
+                                    "2.0",
+                                    "3.0",
+                                    "4.0",
+                                    "4.1",
+                                    "4.2"
+                                  ]
+                                },
+                                "vpaid_enabled": {
+                                  "type": "boolean",
+                                  "description": "Whether VPAID (Video Player-Ad Interface Definition) is supported"
+                                },
+                                "duration_ms": {
+                                  "type": "integer",
+                                  "description": "Expected video duration in milliseconds (if known)",
+                                  "minimum": 0
+                                },
+                                "tracking_events": {
+                                  "type": "array",
+                                  "items": {
+                                    "title": "VAST Tracking Event",
+                                    "description": "Standard VAST tracking events for video ad playback and interaction",
+                                    "type": "string",
+                                    "enum": [
+                                      "start",
+                                      "firstQuartile",
+                                      "midpoint",
+                                      "thirdQuartile",
+                                      "complete",
+                                      "impression",
+                                      "click",
+                                      "pause",
+                                      "resume",
+                                      "skip",
+                                      "mute",
+                                      "unmute",
+                                      "fullscreen",
+                                      "exitFullscreen",
+                                      "playerExpand",
+                                      "playerCollapse"
+                                    ]
+                                  },
+                                  "description": "Tracking events supported by this VAST tag"
+                                }
+                              },
+                              "required": [
+                                "delivery_type",
+                                "url"
+                              ],
+                              "additionalProperties": true
+                            },
+                            {
+                              "type": "object",
+                              "properties": {
+                                "delivery_type": {
+                                  "type": "string",
+                                  "const": "inline",
+                                  "description": "Discriminator indicating VAST is delivered as inline XML content"
+                                },
+                                "content": {
+                                  "type": "string",
+                                  "description": "Inline VAST XML content"
+                                },
+                                "vast_version": {
+                                  "title": "VAST Version",
+                                  "description": "VAST specification version",
+                                  "type": "string",
+                                  "enum": [
+                                    "2.0",
+                                    "3.0",
+                                    "4.0",
+                                    "4.1",
+                                    "4.2"
+                                  ]
+                                },
+                                "vpaid_enabled": {
+                                  "type": "boolean",
+                                  "description": "Whether VPAID (Video Player-Ad Interface Definition) is supported"
+                                },
+                                "duration_ms": {
+                                  "type": "integer",
+                                  "description": "Expected video duration in milliseconds (if known)",
+                                  "minimum": 0
+                                },
+                                "tracking_events": {
+                                  "type": "array",
+                                  "items": {
+                                    "title": "VAST Tracking Event",
+                                    "description": "Standard VAST tracking events for video ad playback and interaction",
+                                    "type": "string",
+                                    "enum": [
+                                      "start",
+                                      "firstQuartile",
+                                      "midpoint",
+                                      "thirdQuartile",
+                                      "complete",
+                                      "impression",
+                                      "click",
+                                      "pause",
+                                      "resume",
+                                      "skip",
+                                      "mute",
+                                      "unmute",
+                                      "fullscreen",
+                                      "exitFullscreen",
+                                      "playerExpand",
+                                      "playerCollapse"
+                                    ]
+                                  },
+                                  "description": "Tracking events supported by this VAST tag"
+                                }
+                              },
+                              "required": [
+                                "delivery_type",
+                                "content"
+                              ],
+                              "additionalProperties": true
+                            }
+                          ]
+                        },
+                        {
+                          "title": "DAAST Asset",
+                          "description": "DAAST (Digital Audio Ad Serving Template) tag for third-party audio ad serving",
+                          "oneOf": [
+                            {
+                              "type": "object",
+                              "properties": {
+                                "delivery_type": {
+                                  "type": "string",
+                                  "const": "url",
+                                  "description": "Discriminator indicating DAAST is delivered via URL endpoint"
+                                },
+                                "url": {
+                                  "type": "string",
+                                  "format": "uri",
+                                  "description": "URL endpoint that returns DAAST XML"
+                                },
+                                "daast_version": {
+                                  "title": "DAAST Version",
+                                  "description": "DAAST specification version",
+                                  "type": "string",
+                                  "enum": [
+                                    "1.0",
+                                    "1.1"
+                                  ]
+                                },
+                                "duration_ms": {
+                                  "type": "integer",
+                                  "description": "Expected audio duration in milliseconds (if known)",
+                                  "minimum": 0
+                                },
+                                "tracking_events": {
+                                  "type": "array",
+                                  "items": {
+                                    "title": "DAAST Tracking Event",
+                                    "description": "Standard DAAST tracking events for audio ad playback and interaction",
+                                    "type": "string",
+                                    "enum": [
+                                      "start",
+                                      "firstQuartile",
+                                      "midpoint",
+                                      "thirdQuartile",
+                                      "complete",
+                                      "impression",
+                                      "pause",
+                                      "resume",
+                                      "skip",
+                                      "mute",
+                                      "unmute"
+                                    ]
+                                  },
+                                  "description": "Tracking events supported by this DAAST tag"
+                                },
+                                "companion_ads": {
+                                  "type": "boolean",
+                                  "description": "Whether companion display ads are included"
+                                }
+                              },
+                              "required": [
+                                "delivery_type",
+                                "url"
+                              ],
+                              "additionalProperties": true
+                            },
+                            {
+                              "type": "object",
+                              "properties": {
+                                "delivery_type": {
+                                  "type": "string",
+                                  "const": "inline",
+                                  "description": "Discriminator indicating DAAST is delivered as inline XML content"
+                                },
+                                "content": {
+                                  "type": "string",
+                                  "description": "Inline DAAST XML content"
+                                },
+                                "daast_version": {
+                                  "title": "DAAST Version",
+                                  "description": "DAAST specification version",
+                                  "type": "string",
+                                  "enum": [
+                                    "1.0",
+                                    "1.1"
+                                  ]
+                                },
+                                "duration_ms": {
+                                  "type": "integer",
+                                  "description": "Expected audio duration in milliseconds (if known)",
+                                  "minimum": 0
+                                },
+                                "tracking_events": {
+                                  "type": "array",
+                                  "items": {
+                                    "title": "DAAST Tracking Event",
+                                    "description": "Standard DAAST tracking events for audio ad playback and interaction",
+                                    "type": "string",
+                                    "enum": [
+                                      "start",
+                                      "firstQuartile",
+                                      "midpoint",
+                                      "thirdQuartile",
+                                      "complete",
+                                      "impression",
+                                      "pause",
+                                      "resume",
+                                      "skip",
+                                      "mute",
+                                      "unmute"
+                                    ]
+                                  },
+                                  "description": "Tracking events supported by this DAAST tag"
+                                },
+                                "companion_ads": {
+                                  "type": "boolean",
+                                  "description": "Whether companion display ads are included"
+                                }
+                              },
+                              "required": [
+                                "delivery_type",
+                                "content"
+                              ],
+                              "additionalProperties": true
+                            }
+                          ]
+                        },
+                        {
+                          "title": "Promoted Offerings",
+                          "description": "Complete offering specification combining brand manifest, product selectors, and asset filters. Provides all context needed for creative generation about what is being promoted.",
+                          "type": "object",
+                          "properties": {
+                            "brand_manifest": {
+                              "title": "Brand Manifest Reference",
+                              "description": "Brand information manifest containing assets, themes, and guidelines. Can be provided inline or as a URL reference to a hosted manifest.",
+                              "oneOf": [
+                                {
+                                  "title": "Brand Manifest",
+                                  "description": "Inline brand manifest object",
+                                  "type": "object",
+                                  "properties": {
+                                    "url": {
+                                      "type": "string",
+                                      "format": "uri",
+                                      "description": "Primary brand URL for context and asset discovery. Creative agents can infer brand information from this URL."
+                                    },
+                                    "name": {
+                                      "type": "string",
+                                      "description": "Brand or business name"
+                                    },
+                                    "logos": {
+                                      "type": "array",
+                                      "description": "Brand logo assets with semantic tags for different use cases",
+                                      "items": {
+                                        "type": "object",
+                                        "properties": {
+                                          "url": {
+                                            "type": "string",
+                                            "format": "uri",
+                                            "description": "URL to the logo asset"
+                                          },
+                                          "tags": {
+                                            "type": "array",
+                                            "description": "Semantic tags describing the logo variant (e.g., 'dark', 'light', 'square', 'horizontal', 'icon')",
+                                            "items": {
+                                              "type": "string"
+                                            }
+                                          },
+                                          "width": {
+                                            "type": "integer",
+                                            "description": "Logo width in pixels"
+                                          },
+                                          "height": {
+                                            "type": "integer",
+                                            "description": "Logo height in pixels"
+                                          }
+                                        },
+                                        "required": [
+                                          "url"
+                                        ]
+                                      }
+                                    },
+                                    "colors": {
+                                      "type": "object",
+                                      "description": "Brand color palette",
+                                      "properties": {
+                                        "primary": {
+                                          "type": "string",
+                                          "pattern": "^#[0-9A-Fa-f]{6}$",
+                                          "description": "Primary brand color (hex format)"
+                                        },
+                                        "secondary": {
+                                          "type": "string",
+                                          "pattern": "^#[0-9A-Fa-f]{6}$",
+                                          "description": "Secondary brand color (hex format)"
+                                        },
+                                        "accent": {
+                                          "type": "string",
+                                          "pattern": "^#[0-9A-Fa-f]{6}$",
+                                          "description": "Accent color (hex format)"
+                                        },
+                                        "background": {
+                                          "type": "string",
+                                          "pattern": "^#[0-9A-Fa-f]{6}$",
+                                          "description": "Background color (hex format)"
+                                        },
+                                        "text": {
+                                          "type": "string",
+                                          "pattern": "^#[0-9A-Fa-f]{6}$",
+                                          "description": "Text color (hex format)"
+                                        }
+                                      }
+                                    },
+                                    "fonts": {
+                                      "type": "object",
+                                      "description": "Brand typography guidelines",
+                                      "properties": {
+                                        "primary": {
+                                          "type": "string",
+                                          "description": "Primary font family name"
+                                        },
+                                        "secondary": {
+                                          "type": "string",
+                                          "description": "Secondary font family name"
+                                        },
+                                        "font_urls": {
+                                          "type": "array",
+                                          "description": "URLs to web font files if using custom fonts",
+                                          "items": {
+                                            "type": "string",
+                                            "format": "uri"
+                                          }
+                                        }
+                                      }
+                                    },
+                                    "tone": {
+                                      "type": "string",
+                                      "description": "Brand voice and messaging tone (e.g., 'professional', 'casual', 'humorous', 'trustworthy', 'innovative')"
+                                    },
+                                    "tagline": {
+                                      "type": "string",
+                                      "description": "Brand tagline or slogan"
+                                    },
+                                    "assets": {
+                                      "type": "array",
+                                      "description": "Brand asset library with explicit assets and tags. Assets are referenced inline with URLs pointing to CDN-hosted files.",
+                                      "items": {
+                                        "type": "object",
+                                        "properties": {
+                                          "asset_id": {
+                                            "type": "string",
+                                            "description": "Unique identifier for this asset"
+                                          },
+                                          "asset_type": {
+                                            "title": "Asset Content Type",
+                                            "description": "Type of asset. Note: Brand manifests typically contain basic media assets (image, video, audio, text). Code assets (html, javascript, css) and ad markup (vast, daast) are usually not part of brand asset libraries.",
+                                            "type": "string",
+                                            "enum": [
+                                              "image",
+                                              "video",
+                                              "audio",
+                                              "text",
+                                              "markdown",
+                                              "html",
+                                              "css",
+                                              "javascript",
+                                              "vast",
+                                              "daast",
+                                              "promoted_offerings",
+                                              "url",
+                                              "webhook"
+                                            ]
+                                          },
+                                          "url": {
+                                            "type": "string",
+                                            "format": "uri",
+                                            "description": "URL to CDN-hosted asset file"
+                                          },
+                                          "tags": {
+                                            "type": "array",
+                                            "description": "Tags for asset discovery (e.g., 'holiday', 'lifestyle', 'product_shot')",
+                                            "items": {
+                                              "type": "string"
+                                            }
+                                          },
+                                          "name": {
+                                            "type": "string",
+                                            "description": "Human-readable asset name"
+                                          },
+                                          "description": {
+                                            "type": "string",
+                                            "description": "Asset description or usage notes"
+                                          },
+                                          "width": {
+                                            "type": "integer",
+                                            "description": "Image/video width in pixels"
+                                          },
+                                          "height": {
+                                            "type": "integer",
+                                            "description": "Image/video height in pixels"
+                                          },
+                                          "duration_seconds": {
+                                            "type": "number",
+                                            "description": "Video/audio duration in seconds"
+                                          },
+                                          "file_size_bytes": {
+                                            "type": "integer",
+                                            "description": "File size in bytes"
+                                          },
+                                          "format": {
+                                            "type": "string",
+                                            "description": "File format (e.g., 'jpg', 'mp4', 'mp3')"
+                                          },
+                                          "metadata": {
+                                            "type": "object",
+                                            "description": "Additional asset-specific metadata",
+                                            "additionalProperties": true
+                                          }
+                                        },
+                                        "required": [
+                                          "asset_id",
+                                          "asset_type",
+                                          "url"
+                                        ],
+                                        "additionalProperties": true
+                                      }
+                                    },
+                                    "product_catalog": {
+                                      "type": "object",
+                                      "description": "Product catalog information for e-commerce advertisers. Enables SKU-level creative generation and product selection.",
+                                      "properties": {
+                                        "feed_url": {
+                                          "type": "string",
+                                          "format": "uri",
+                                          "description": "URL to product catalog feed"
+                                        },
+                                        "feed_format": {
+                                          "type": "string",
+                                          "enum": [
+                                            "google_merchant_center",
+                                            "facebook_catalog",
+                                            "custom"
+                                          ],
+                                          "default": "google_merchant_center",
+                                          "description": "Format of the product feed"
+                                        },
+                                        "categories": {
+                                          "type": "array",
+                                          "description": "Product categories available in the catalog (for filtering)",
+                                          "items": {
+                                            "type": "string"
+                                          }
+                                        },
+                                        "last_updated": {
+                                          "type": "string",
+                                          "format": "date-time",
+                                          "description": "When the product catalog was last updated"
+                                        },
+                                        "update_frequency": {
+                                          "type": "string",
+                                          "enum": [
+                                            "realtime",
+                                            "hourly",
+                                            "daily",
+                                            "weekly"
+                                          ],
+                                          "description": "How frequently the product catalog is updated"
+                                        }
+                                      },
+                                      "required": [
+                                        "feed_url"
+                                      ],
+                                      "additionalProperties": true
+                                    },
+                                    "disclaimers": {
+                                      "type": "array",
+                                      "description": "Legal disclaimers or required text that must appear in creatives",
+                                      "items": {
+                                        "type": "object",
+                                        "properties": {
+                                          "text": {
+                                            "type": "string",
+                                            "description": "Disclaimer text"
+                                          },
+                                          "context": {
+                                            "type": "string",
+                                            "description": "When this disclaimer applies (e.g., 'financial_products', 'health_claims', 'all')"
+                                          },
+                                          "required": {
+                                            "type": "boolean",
+                                            "description": "Whether this disclaimer must appear",
+                                            "default": true
+                                          }
+                                        },
+                                        "required": [
+                                          "text"
+                                        ]
+                                      }
+                                    },
+                                    "industry": {
+                                      "type": "string",
+                                      "description": "Industry or vertical (e.g., 'retail', 'automotive', 'finance', 'healthcare')"
+                                    },
+                                    "target_audience": {
+                                      "type": "string",
+                                      "description": "Primary target audience description"
+                                    },
+                                    "contact": {
+                                      "type": "object",
+                                      "description": "Brand contact information",
+                                      "properties": {
+                                        "email": {
+                                          "type": "string",
+                                          "format": "email",
+                                          "description": "Contact email"
+                                        },
+                                        "phone": {
+                                          "type": "string",
+                                          "description": "Contact phone number"
+                                        }
+                                      }
+                                    },
+                                    "metadata": {
+                                      "type": "object",
+                                      "description": "Additional brand metadata",
+                                      "properties": {
+                                        "created_date": {
+                                          "type": "string",
+                                          "format": "date-time",
+                                          "description": "When this brand manifest was created"
+                                        },
+                                        "updated_date": {
+                                          "type": "string",
+                                          "format": "date-time",
+                                          "description": "When this brand manifest was last updated"
+                                        },
+                                        "version": {
+                                          "type": "string",
+                                          "description": "Brand card version number"
+                                        }
+                                      }
+                                    }
+                                  },
+                                  "required": [
+                                    "name"
+                                  ],
+                                  "additionalProperties": true,
+                                  "examples": [
+                                    {
+                                      "description": "Example with both URL and name",
+                                      "data": {
+                                        "url": "https://bobsfunburgers.com",
+                                        "name": "Bob's Fun Burgers"
+                                      }
+                                    },
+                                    {
+                                      "description": "Example: white-label brand without dedicated URL",
+                                      "data": {
+                                        "name": "Great Value",
+                                        "colors": {
+                                          "primary": "#0071CE",
+                                          "secondary": "#FFC220"
+                                        },
+                                        "tone": "affordable and trustworthy"
+                                      }
+                                    },
+                                    {
+                                      "description": "Full brand manifest with all fields",
+                                      "data": {
+                                        "url": "https://acmecorp.com",
+                                        "name": "ACME Corporation",
+                                        "logos": [
+                                          {
+                                            "url": "https://cdn.acmecorp.com/logo-square-dark.png",
+                                            "tags": [
+                                              "dark",
+                                              "square"
+                                            ],
+                                            "width": 512,
+                                            "height": 512
+                                          },
+                                          {
+                                            "url": "https://cdn.acmecorp.com/logo-horizontal-light.png",
+                                            "tags": [
+                                              "light",
+                                              "horizontal"
+                                            ],
+                                            "width": 1200,
+                                            "height": 400
+                                          }
+                                        ],
+                                        "colors": {
+                                          "primary": "#FF6B35",
+                                          "secondary": "#004E89",
+                                          "accent": "#F7931E",
+                                          "background": "#FFFFFF",
+                                          "text": "#1A1A1A"
+                                        },
+                                        "fonts": {
+                                          "primary": "Helvetica Neue",
+                                          "secondary": "Georgia"
+                                        },
+                                        "tone": "professional and trustworthy",
+                                        "tagline": "Innovation You Can Trust",
+                                        "assets": [
+                                          {
+                                            "asset_id": "hero_winter_2024",
+                                            "asset_type": "image",
+                                            "url": "https://cdn.acmecorp.com/hero-winter-2024.jpg",
+                                            "tags": [
+                                              "hero",
+                                              "winter",
+                                              "holiday",
+                                              "lifestyle"
+                                            ],
+                                            "name": "Winter Campaign Hero",
+                                            "width": 1920,
+                                            "height": 1080,
+                                            "format": "jpg"
+                                          },
+                                          {
+                                            "asset_id": "product_video_30s",
+                                            "asset_type": "video",
+                                            "url": "https://cdn.acmecorp.com/product-demo-30s.mp4",
+                                            "tags": [
+                                              "product",
+                                              "demo",
+                                              "30s"
+                                            ],
+                                            "name": "Product Demo 30 Second",
+                                            "width": 1920,
+                                            "height": 1080,
+                                            "duration_seconds": 30,
+                                            "format": "mp4"
+                                          }
+                                        ],
+                                        "product_catalog": {
+                                          "feed_url": "https://acmecorp.com/products.xml",
+                                          "feed_format": "google_merchant_center",
+                                          "categories": [
+                                            "electronics/computers",
+                                            "electronics/accessories"
+                                          ],
+                                          "last_updated": "2024-03-15T10:00:00Z",
+                                          "update_frequency": "hourly"
+                                        },
+                                        "disclaimers": [
+                                          {
+                                            "text": "Results may vary. Consult a professional before use.",
+                                            "context": "health_claims",
+                                            "required": true
+                                          }
+                                        ],
+                                        "industry": "technology",
+                                        "target_audience": "business decision-makers aged 35-55"
+                                      }
+                                    }
+                                  ]
+                                },
+                                {
+                                  "type": "string",
+                                  "format": "uri",
+                                  "description": "URL to a hosted brand manifest JSON file. The manifest at this URL must conform to the brand-manifest.json schema."
+                                }
+                              ],
+                              "examples": [
+                                {
+                                  "description": "Inline brand manifest",
+                                  "data": {
+                                    "url": "https://acmecorp.com",
+                                    "name": "ACME Corporation",
+                                    "colors": {
+                                      "primary": "#FF6B35"
+                                    }
+                                  }
+                                },
+                                {
+                                  "description": "URL string reference to hosted manifest",
+                                  "data": "https://cdn.acmecorp.com/brand-manifest.json"
+                                }
+                              ]
+                            },
+                            "product_selectors": {
+                              "title": "Promoted Products",
+                              "description": "Selectors to choose which products/offerings from the brand manifest product catalog to promote",
+                              "type": "object",
+                              "properties": {
+                                "manifest_skus": {
+                                  "type": "array",
+                                  "description": "Direct product SKU references from the brand manifest product catalog",
+                                  "items": {
+                                    "type": "string"
+                                  }
+                                },
+                                "manifest_tags": {
+                                  "type": "array",
+                                  "description": "Select products by tags from the brand manifest product catalog (e.g., 'organic', 'sauces', 'holiday')",
+                                  "items": {
+                                    "type": "string"
+                                  }
+                                },
+                                "manifest_category": {
+                                  "type": "string",
+                                  "description": "Select products from a specific category in the brand manifest product catalog (e.g., 'beverages/soft-drinks', 'food/sauces')"
+                                },
+                                "manifest_query": {
+                                  "type": "string",
+                                  "description": "Natural language query to select products from the brand manifest (e.g., 'all Kraft Heinz pasta sauces', 'organic products under $20')"
+                                }
+                              },
+                              "additionalProperties": true,
+                              "examples": [
+                                {
+                                  "description": "Direct SKU selection for specific products from brand manifest",
+                                  "data": {
+                                    "manifest_skus": [
+                                      "SKU-12345",
+                                      "SKU-67890"
+                                    ]
+                                  }
+                                },
+                                {
+                                  "description": "UNION selection: products tagged 'organic' OR 'sauces' OR in 'food/condiments' category from brand manifest",
+                                  "data": {
+                                    "manifest_tags": [
+                                      "organic",
+                                      "sauces"
+                                    ],
+                                    "manifest_category": "food/condiments"
+                                  }
+                                },
+                                {
+                                  "description": "Natural language product selection from brand manifest",
+                                  "data": {
+                                    "manifest_query": "all Kraft Heinz pasta sauces under $5"
+                                  }
+                                },
+                                {
+                                  "description": "Select products by tags",
+                                  "data": {
+                                    "manifest_tags": [
+                                      "holiday"
+                                    ]
+                                  }
+                                }
+                              ]
+                            },
+                            "offerings": {
+                              "type": "array",
+                              "description": "Inline offerings for campaigns without a product catalog. Each offering has a name, description, and associated assets.",
+                              "items": {
+                                "type": "object",
+                                "properties": {
+                                  "name": {
+                                    "type": "string",
+                                    "description": "Offering name (e.g., 'Winter Sale', 'New Product Launch')"
+                                  },
+                                  "description": {
+                                    "type": "string",
+                                    "description": "Description of what's being offered"
+                                  },
+                                  "assets": {
+                                    "type": "array",
+                                    "description": "Assets specific to this offering",
+                                    "items": {
+                                      "type": "object",
+                                      "description": "Asset definition using standard asset structure",
+                                      "additionalProperties": true
+                                    }
+                                  }
+                                },
+                                "required": [
+                                  "name"
+                                ],
+                                "additionalProperties": true
+                              }
+                            },
+                            "asset_selectors": {
+                              "type": "object",
+                              "description": "Selectors to choose specific assets from the brand manifest",
+                              "properties": {
+                                "tags": {
+                                  "type": "array",
+                                  "description": "Select assets with specific tags (e.g., ['holiday', 'premium'])",
+                                  "items": {
+                                    "type": "string"
+                                  }
+                                },
+                                "asset_types": {
+                                  "type": "array",
+                                  "description": "Filter by asset type (e.g., ['image', 'video'])",
+                                  "items": {
+                                    "type": "string",
+                                    "enum": [
+                                      "image",
+                                      "video",
+                                      "audio",
+                                      "vast",
+                                      "daast",
+                                      "text",
+                                      "url",
+                                      "html",
+                                      "css",
+                                      "javascript",
+                                      "webhook"
+                                    ]
+                                  }
+                                },
+                                "exclude_tags": {
+                                  "type": "array",
+                                  "description": "Exclude assets with these tags",
+                                  "items": {
+                                    "type": "string"
+                                  }
+                                }
+                              },
+                              "additionalProperties": true
+                            }
+                          },
+                          "required": [
+                            "brand_manifest"
+                          ],
+                          "additionalProperties": true,
+                          "examples": [
+                            {
+                              "brand_manifest": {
+                                "name": "Brand Name",
+                                "url": "https://brand.com"
+                              },
+                              "product_selectors": {
+                                "manifest_skus": [
+                                  "SKU-123",
+                                  "SKU-456"
+                                ]
+                              },
+                              "asset_selectors": {
+                                "tags": [
+                                  "holiday"
+                                ],
+                                "asset_types": [
+                                  "image",
+                                  "video"
+                                ]
+                              }
+                            }
+                          ]
+                        },
+                        {
+                          "title": "URL Asset",
+                          "description": "URL reference asset",
+                          "type": "object",
+                          "properties": {
+                            "url": {
+                              "type": "string",
+                              "format": "uri",
+                              "description": "URL reference"
+                            },
+                            "url_type": {
+                              "title": "URL Asset Type",
+                              "description": "Type of URL asset: 'clickthrough' for user click destination (landing page), 'tracker_pixel' for impression/event tracking via HTTP request (fires GET, expects pixel/204 response), 'tracker_script' for measurement SDKs that must load as <script> tag (OMID verification, native event trackers using method:2)",
+                              "type": "string",
+                              "enum": [
+                                "clickthrough",
+                                "tracker_pixel",
+                                "tracker_script"
+                              ]
+                            },
+                            "description": {
+                              "type": "string",
+                              "description": "Description of what this URL points to"
+                            }
+                          },
+                          "required": [
+                            "url"
+                          ],
+                          "additionalProperties": true
+                        }
+                      ]
+                    }
+                  },
+                  "additionalProperties": true
+                },
+                "inputs": {
+                  "type": "array",
+                  "description": "Preview contexts for generative formats - defines what scenarios to generate previews for",
+                  "items": {
+                    "type": "object",
+                    "properties": {
+                      "name": {
+                        "type": "string",
+                        "description": "Human-readable name for this preview variant"
+                      },
+                      "macros": {
+                        "type": "object",
+                        "description": "Macro values to apply for this preview",
+                        "additionalProperties": {
+                          "type": "string"
+                        }
+                      },
+                      "context_description": {
+                        "type": "string",
+                        "description": "Natural language description of the context for AI-generated content"
+                      }
+                    },
+                    "required": [
+                      "name"
+                    ],
+                    "additionalProperties": true
+                  }
+                },
+                "tags": {
+                  "type": "array",
+                  "description": "User-defined tags for organization and searchability",
+                  "items": {
+                    "type": "string"
+                  }
+                },
+                "approved": {
+                  "type": "boolean",
+                  "description": "For generative creatives: set to true to approve and finalize, false to request regeneration with updated assets/message. Omit for non-generative creatives."
+                },
+                "weight": {
+                  "type": "number",
+                  "description": "Optional delivery weight for creative rotation when uploading via create_media_buy or update_media_buy (0-100). If omitted, platform determines rotation. Only used during upload to media buy - not stored in creative library.",
+                  "minimum": 0,
+                  "maximum": 100
+                },
+                "placement_ids": {
+                  "type": "array",
+                  "description": "Optional array of placement IDs where this creative should run when uploading via create_media_buy or update_media_buy. References placement_id values from the product's placements array. If omitted, creative runs on all placements. Only used during upload to media buy - not stored in creative library.",
+                  "items": {
+                    "type": "string"
+                  },
+                  "minItems": 1
+                }
+              },
+              "required": [
+                "creative_id",
+                "name",
+                "format_id",
+                "assets"
+              ],
+              "additionalProperties": true
+            },
+            "maxItems": 100
+          },
+          "creative_assignments": {
+            "type": "array",
+            "description": "Full creative assignment objects with weights and placement targeting (alternative to creative_ids - provides granular control over weights and placement targeting). Uses replacement semantics like creative_ids.",
+            "items": {
+              "title": "Creative Assignment",
+              "description": "Assignment of a creative asset to a package with optional placement targeting. Used in create_media_buy and update_media_buy requests. Note: sync_creatives does not support placement_ids - use create/update_media_buy for placement-level targeting.",
+              "type": "object",
+              "properties": {
+                "creative_id": {
+                  "type": "string",
+                  "description": "Unique identifier for the creative"
+                },
+                "weight": {
+                  "type": "number",
+                  "description": "Delivery weight for this creative",
+                  "minimum": 0,
+                  "maximum": 100
+                },
+                "placement_ids": {
+                  "type": "array",
+                  "description": "Optional array of placement IDs where this creative should run. When omitted, the creative runs on all placements in the package. References placement_id values from the product's placements array.",
+                  "items": {
+                    "type": "string"
+                  },
+                  "minItems": 1
+                }
+              },
+              "required": [
+                "creative_id"
+              ],
+              "additionalProperties": true
+            }
+          }
+        },
+        "oneOf": [
+          {
+            "required": [
+              "package_id"
+            ]
+          },
+          {
+            "required": [
+              "buyer_ref"
+            ]
+          }
+        ],
+        "additionalProperties": true
+      }
+    },
+    "push_notification_config": {
+      "title": "Push Notification Config",
+      "description": "Optional webhook configuration for async update notifications. Publisher will send webhook when update completes if operation takes longer than immediate response time.",
+      "type": "object",
+      "properties": {
+        "url": {
+          "type": "string",
+          "format": "uri",
+          "description": "Webhook endpoint URL for task status notifications"
+        },
+        "token": {
+          "type": "string",
+          "description": "Optional client-provided token for webhook validation. Echoed back in webhook payload to validate request authenticity.",
+          "minLength": 16
+        },
+        "authentication": {
+          "type": "object",
+          "description": "Authentication configuration for webhook delivery (A2A-compatible)",
+          "properties": {
+            "schemes": {
+              "type": "array",
+              "description": "Array of authentication schemes. Supported: ['Bearer'] for simple token auth, ['HMAC-SHA256'] for signature verification (recommended for production)",
+              "items": {
+                "title": "Authentication Scheme",
+                "description": "Authentication schemes for push notification endpoints",
+                "type": "string",
+                "enum": [
+                  "Bearer",
+                  "HMAC-SHA256"
+                ]
+              },
+              "minItems": 1,
+              "maxItems": 1
+            },
+            "credentials": {
+              "type": "string",
+              "description": "Credentials for authentication. For Bearer: token sent in Authorization header. For HMAC-SHA256: shared secret used to generate signature. Minimum 32 characters. Exchanged out-of-band during onboarding.",
+              "minLength": 32
+            }
+          },
+          "required": [
+            "schemes",
+            "credentials"
+          ],
+          "additionalProperties": false
+        }
+      },
+      "required": [
+        "url",
+        "authentication"
+      ]
+    },
+    "context": {
+      "title": "Context Object",
+      "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+      "type": "object",
+      "additionalProperties": true
+    },
+    "ext": {
+      "title": "Extension Object",
+      "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+      "type": "object",
+      "additionalProperties": true
+    }
+  },
+  "oneOf": [
+    {
+      "required": [
+        "media_buy_id"
+      ]
+    },
+    {
+      "required": [
+        "buyer_ref"
+      ]
+    }
+  ],
+  "additionalProperties": true,
+  "_bundled": {
+    "generatedAt": "2026-01-07T19:39:14.386Z",
+    "note": "This is a bundled schema with all $ref resolved inline. For the modular version with references, use the parent directory."
+  }
+}
\ No newline at end of file
diff --git a/dist/schemas/2.5.2/bundled/media-buy/update-media-buy-response.json b/dist/schemas/2.5.2/bundled/media-buy/update-media-buy-response.json
new file mode 100644
index 0000000000..e965633535
--- /dev/null
+++ b/dist/schemas/2.5.2/bundled/media-buy/update-media-buy-response.json
@@ -0,0 +1,358 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/bundled/media-buy/update-media-buy-response.json",
+  "title": "Update Media Buy Response",
+  "description": "Response payload for update_media_buy task. Returns either complete success data OR error information, never both. This enforces atomic operation semantics - updates are either fully applied or not applied at all.",
+  "type": "object",
+  "oneOf": [
+    {
+      "title": "UpdateMediaBuySuccess",
+      "description": "Success response - media buy updated successfully",
+      "type": "object",
+      "properties": {
+        "media_buy_id": {
+          "type": "string",
+          "description": "Publisher's identifier for the media buy"
+        },
+        "buyer_ref": {
+          "type": "string",
+          "description": "Buyer's reference identifier for the media buy"
+        },
+        "implementation_date": {
+          "type": [
+            "string",
+            "null"
+          ],
+          "format": "date-time",
+          "description": "ISO 8601 timestamp when changes take effect (null if pending approval)"
+        },
+        "affected_packages": {
+          "type": "array",
+          "description": "Array of packages that were modified with complete state information",
+          "items": {
+            "title": "Package",
+            "description": "A specific product within a media buy (line item)",
+            "type": "object",
+            "properties": {
+              "package_id": {
+                "type": "string",
+                "description": "Publisher's unique identifier for the package"
+              },
+              "buyer_ref": {
+                "type": "string",
+                "description": "Buyer's reference identifier for this package"
+              },
+              "product_id": {
+                "type": "string",
+                "description": "ID of the product this package is based on"
+              },
+              "budget": {
+                "type": "number",
+                "description": "Budget allocation for this package in the currency specified by the pricing option",
+                "minimum": 0
+              },
+              "pacing": {
+                "title": "Pacing",
+                "description": "Budget pacing strategy",
+                "type": "string",
+                "enum": [
+                  "even",
+                  "asap",
+                  "front_loaded"
+                ],
+                "enumDescriptions": {
+                  "even": "Allocate remaining budget evenly over remaining campaign duration (default)",
+                  "asap": "Spend remaining budget as quickly as possible",
+                  "front_loaded": "Allocate more remaining budget earlier in the remaining campaign period"
+                }
+              },
+              "pricing_option_id": {
+                "type": "string",
+                "description": "ID of the selected pricing option from the product's pricing_options array"
+              },
+              "bid_price": {
+                "type": "number",
+                "description": "Bid price for auction-based CPM pricing (present if using cpm-auction-option)",
+                "minimum": 0
+              },
+              "impressions": {
+                "type": "number",
+                "description": "Impression goal for this package",
+                "minimum": 0
+              },
+              "targeting_overlay": {
+                "title": "Targeting Overlay",
+                "description": "Optional geographic refinements for media buys. Most targeting should be expressed in the brief and handled by the publisher. These fields are primarily for geographic restrictions (RCT testing, regulatory compliance).",
+                "type": "object",
+                "properties": {
+                  "geo_country_any_of": {
+                    "type": "array",
+                    "description": "Restrict delivery to specific countries (ISO codes). Use for regulatory compliance or RCT testing.",
+                    "items": {
+                      "type": "string",
+                      "pattern": "^[A-Z]{2}$"
+                    }
+                  },
+                  "geo_region_any_of": {
+                    "type": "array",
+                    "description": "Restrict delivery to specific regions/states. Use for regulatory compliance or RCT testing.",
+                    "items": {
+                      "type": "string"
+                    }
+                  },
+                  "geo_metro_any_of": {
+                    "type": "array",
+                    "description": "Restrict delivery to specific metro areas (DMA codes). Use for regulatory compliance or RCT testing.",
+                    "items": {
+                      "type": "string"
+                    }
+                  },
+                  "geo_postal_code_any_of": {
+                    "type": "array",
+                    "description": "Restrict delivery to specific postal/ZIP codes. Use for regulatory compliance or RCT testing.",
+                    "items": {
+                      "type": "string"
+                    }
+                  },
+                  "axe_include_segment": {
+                    "type": "string",
+                    "description": "AXE segment ID to include for targeting"
+                  },
+                  "axe_exclude_segment": {
+                    "type": "string",
+                    "description": "AXE segment ID to exclude from targeting"
+                  },
+                  "frequency_cap": {
+                    "title": "Frequency Cap",
+                    "description": "Frequency capping settings for package-level application",
+                    "type": "object",
+                    "properties": {
+                      "suppress_minutes": {
+                        "type": "number",
+                        "description": "Minutes to suppress after impression",
+                        "minimum": 0
+                      }
+                    },
+                    "required": [
+                      "suppress_minutes"
+                    ],
+                    "additionalProperties": true
+                  }
+                },
+                "additionalProperties": true
+              },
+              "creative_assignments": {
+                "type": "array",
+                "description": "Creative assets assigned to this package",
+                "items": {
+                  "title": "Creative Assignment",
+                  "description": "Assignment of a creative asset to a package with optional placement targeting. Used in create_media_buy and update_media_buy requests. Note: sync_creatives does not support placement_ids - use create/update_media_buy for placement-level targeting.",
+                  "type": "object",
+                  "properties": {
+                    "creative_id": {
+                      "type": "string",
+                      "description": "Unique identifier for the creative"
+                    },
+                    "weight": {
+                      "type": "number",
+                      "description": "Delivery weight for this creative",
+                      "minimum": 0,
+                      "maximum": 100
+                    },
+                    "placement_ids": {
+                      "type": "array",
+                      "description": "Optional array of placement IDs where this creative should run. When omitted, the creative runs on all placements in the package. References placement_id values from the product's placements array.",
+                      "items": {
+                        "type": "string"
+                      },
+                      "minItems": 1
+                    }
+                  },
+                  "required": [
+                    "creative_id"
+                  ],
+                  "additionalProperties": true
+                }
+              },
+              "format_ids_to_provide": {
+                "type": "array",
+                "description": "Format IDs that creative assets will be provided for this package",
+                "items": {
+                  "title": "Format ID",
+                  "description": "Structured format identifier with agent URL and format name. Can reference: (1) a concrete format with fixed dimensions (id only), (2) a template format without parameters (id only), or (3) a template format with parameters (id + dimensions/duration). Template formats accept parameters in format_id while concrete formats have fixed dimensions in their definition. Parameterized format IDs create unique, specific format variants.",
+                  "type": "object",
+                  "properties": {
+                    "agent_url": {
+                      "type": "string",
+                      "format": "uri",
+                      "description": "URL of the agent that defines this format (e.g., 'https://creatives.adcontextprotocol.org' for standard formats, or 'https://publisher.com/.well-known/adcp/sales' for custom formats)"
+                    },
+                    "id": {
+                      "type": "string",
+                      "pattern": "^[a-zA-Z0-9_-]+$",
+                      "description": "Format identifier within the agent's namespace (e.g., 'display_static', 'video_hosted', 'audio_standard'). When used alone, references a template format. When combined with dimension/duration fields, creates a parameterized format ID for a specific variant."
+                    },
+                    "width": {
+                      "type": "integer",
+                      "minimum": 1,
+                      "description": "Width in pixels for visual formats. When specified, height must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+                    },
+                    "height": {
+                      "type": "integer",
+                      "minimum": 1,
+                      "description": "Height in pixels for visual formats. When specified, width must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+                    },
+                    "duration_ms": {
+                      "type": "number",
+                      "minimum": 1,
+                      "description": "Duration in milliseconds for time-based formats (video, audio). When specified, creates a parameterized format ID. Omit to reference a template format without parameters."
+                    }
+                  },
+                  "required": [
+                    "agent_url",
+                    "id"
+                  ],
+                  "additionalProperties": true,
+                  "dependencies": {
+                    "width": [
+                      "height"
+                    ],
+                    "height": [
+                      "width"
+                    ]
+                  }
+                }
+              },
+              "paused": {
+                "type": "boolean",
+                "description": "Whether this package is paused by the buyer. Paused packages do not deliver impressions. Defaults to false.",
+                "default": false
+              },
+              "ext": {
+                "title": "Extension Object",
+                "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+                "type": "object",
+                "additionalProperties": true
+              }
+            },
+            "required": [
+              "package_id"
+            ],
+            "additionalProperties": true
+          }
+        },
+        "context": {
+          "title": "Context Object",
+          "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+          "type": "object",
+          "additionalProperties": true
+        },
+        "ext": {
+          "title": "Extension Object",
+          "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+          "type": "object",
+          "additionalProperties": true
+        }
+      },
+      "required": [
+        "media_buy_id",
+        "buyer_ref"
+      ],
+      "additionalProperties": true,
+      "not": {
+        "required": [
+          "errors"
+        ]
+      }
+    },
+    {
+      "title": "UpdateMediaBuyError",
+      "description": "Error response - operation failed, no changes applied",
+      "type": "object",
+      "properties": {
+        "errors": {
+          "type": "array",
+          "description": "Array of errors explaining why the operation failed",
+          "items": {
+            "title": "Error",
+            "description": "Standard error structure for task-specific errors and warnings",
+            "type": "object",
+            "properties": {
+              "code": {
+                "type": "string",
+                "description": "Error code for programmatic handling"
+              },
+              "message": {
+                "type": "string",
+                "description": "Human-readable error message"
+              },
+              "field": {
+                "type": "string",
+                "description": "Field path associated with the error (e.g., 'packages[0].targeting')"
+              },
+              "suggestion": {
+                "type": "string",
+                "description": "Suggested fix for the error"
+              },
+              "retry_after": {
+                "type": "number",
+                "description": "Seconds to wait before retrying the operation",
+                "minimum": 0
+              },
+              "details": {
+                "type": "object",
+                "description": "Additional task-specific error details",
+                "additionalProperties": true
+              }
+            },
+            "required": [
+              "code",
+              "message"
+            ],
+            "additionalProperties": true
+          },
+          "minItems": 1
+        },
+        "context": {
+          "title": "Context Object",
+          "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+          "type": "object",
+          "additionalProperties": true
+        },
+        "ext": {
+          "title": "Extension Object",
+          "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+          "type": "object",
+          "additionalProperties": true
+        }
+      },
+      "required": [
+        "errors"
+      ],
+      "additionalProperties": true,
+      "not": {
+        "anyOf": [
+          {
+            "required": [
+              "media_buy_id"
+            ]
+          },
+          {
+            "required": [
+              "buyer_ref"
+            ]
+          },
+          {
+            "required": [
+              "affected_packages"
+            ]
+          }
+        ]
+      }
+    }
+  ],
+  "_bundled": {
+    "generatedAt": "2026-01-07T19:39:14.387Z",
+    "note": "This is a bundled schema with all $ref resolved inline. For the modular version with references, use the parent directory."
+  }
+}
\ No newline at end of file
diff --git a/dist/schemas/2.5.2/bundled/signals/activate-signal-request.json b/dist/schemas/2.5.2/bundled/signals/activate-signal-request.json
new file mode 100644
index 0000000000..99e7c82c22
--- /dev/null
+++ b/dist/schemas/2.5.2/bundled/signals/activate-signal-request.json
@@ -0,0 +1,90 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/bundled/signals/activate-signal-request.json",
+  "title": "Activate Signal Request",
+  "description": "Request parameters for activating a signal on a specific deployment target",
+  "type": "object",
+  "properties": {
+    "signal_agent_segment_id": {
+      "type": "string",
+      "description": "The universal identifier for the signal to activate"
+    },
+    "deployments": {
+      "type": "array",
+      "description": "Target deployment(s) for activation. If the authenticated caller matches one of these deployment targets, activation keys will be included in the response.",
+      "items": {
+        "title": "Destination",
+        "description": "A deployment target where signals can be activated (DSP, sales agent, etc.)",
+        "oneOf": [
+          {
+            "type": "object",
+            "properties": {
+              "type": {
+                "const": "platform",
+                "description": "Discriminator indicating this is a platform-based deployment"
+              },
+              "platform": {
+                "type": "string",
+                "description": "Platform identifier for DSPs (e.g., 'the-trade-desk', 'amazon-dsp')"
+              },
+              "account": {
+                "type": "string",
+                "description": "Optional account identifier on the platform"
+              }
+            },
+            "required": [
+              "type",
+              "platform"
+            ],
+            "additionalProperties": true
+          },
+          {
+            "type": "object",
+            "properties": {
+              "type": {
+                "const": "agent",
+                "description": "Discriminator indicating this is an agent URL-based deployment"
+              },
+              "agent_url": {
+                "type": "string",
+                "format": "uri",
+                "description": "URL identifying the deployment agent (for sales agents, etc.)"
+              },
+              "account": {
+                "type": "string",
+                "description": "Optional account identifier on the agent"
+              }
+            },
+            "required": [
+              "type",
+              "agent_url"
+            ],
+            "additionalProperties": true
+          }
+        ]
+      },
+      "minItems": 1
+    },
+    "context": {
+      "title": "Context Object",
+      "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+      "type": "object",
+      "additionalProperties": true
+    },
+    "ext": {
+      "title": "Extension Object",
+      "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+      "type": "object",
+      "additionalProperties": true
+    }
+  },
+  "required": [
+    "signal_agent_segment_id",
+    "deployments"
+  ],
+  "additionalProperties": true,
+  "_bundled": {
+    "generatedAt": "2026-01-07T19:39:14.387Z",
+    "note": "This is a bundled schema with all $ref resolved inline. For the modular version with references, use the parent directory."
+  }
+}
\ No newline at end of file
diff --git a/dist/schemas/2.5.2/bundled/signals/activate-signal-response.json b/dist/schemas/2.5.2/bundled/signals/activate-signal-response.json
new file mode 100644
index 0000000000..a2297db525
--- /dev/null
+++ b/dist/schemas/2.5.2/bundled/signals/activate-signal-response.json
@@ -0,0 +1,295 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/bundled/signals/activate-signal-response.json",
+  "title": "Activate Signal Response",
+  "description": "Response payload for activate_signal task. Returns either complete success data OR error information, never both. This enforces atomic operation semantics - the signal is either fully activated or not activated at all.",
+  "type": "object",
+  "oneOf": [
+    {
+      "title": "ActivateSignalSuccess",
+      "description": "Success response - signal activated successfully to one or more deployment targets",
+      "type": "object",
+      "properties": {
+        "deployments": {
+          "type": "array",
+          "description": "Array of deployment results for each deployment target",
+          "items": {
+            "title": "Deployment",
+            "description": "A signal deployment to a specific deployment target with activation status and key",
+            "oneOf": [
+              {
+                "type": "object",
+                "properties": {
+                  "type": {
+                    "type": "string",
+                    "const": "platform",
+                    "description": "Discriminator indicating this is a platform-based deployment"
+                  },
+                  "platform": {
+                    "type": "string",
+                    "description": "Platform identifier for DSPs"
+                  },
+                  "account": {
+                    "type": "string",
+                    "description": "Account identifier if applicable"
+                  },
+                  "is_live": {
+                    "type": "boolean",
+                    "description": "Whether signal is currently active on this deployment"
+                  },
+                  "activation_key": {
+                    "title": "Activation Key",
+                    "description": "The key to use for targeting. Only present if is_live=true AND requester has access to this deployment.",
+                    "type": "object",
+                    "oneOf": [
+                      {
+                        "properties": {
+                          "type": {
+                            "type": "string",
+                            "const": "segment_id",
+                            "description": "Segment ID based targeting"
+                          },
+                          "segment_id": {
+                            "type": "string",
+                            "description": "The platform-specific segment identifier to use in campaign targeting"
+                          }
+                        },
+                        "required": [
+                          "type",
+                          "segment_id"
+                        ],
+                        "additionalProperties": true
+                      },
+                      {
+                        "properties": {
+                          "type": {
+                            "type": "string",
+                            "const": "key_value",
+                            "description": "Key-value pair based targeting"
+                          },
+                          "key": {
+                            "type": "string",
+                            "description": "The targeting parameter key"
+                          },
+                          "value": {
+                            "type": "string",
+                            "description": "The targeting parameter value"
+                          }
+                        },
+                        "required": [
+                          "type",
+                          "key",
+                          "value"
+                        ],
+                        "additionalProperties": true
+                      }
+                    ]
+                  },
+                  "estimated_activation_duration_minutes": {
+                    "type": "number",
+                    "description": "Estimated time to activate if not live, or to complete activation if in progress",
+                    "minimum": 0
+                  },
+                  "deployed_at": {
+                    "type": "string",
+                    "format": "date-time",
+                    "description": "Timestamp when activation completed (if is_live=true)"
+                  }
+                },
+                "required": [
+                  "type",
+                  "platform",
+                  "is_live"
+                ],
+                "additionalProperties": true
+              },
+              {
+                "type": "object",
+                "properties": {
+                  "type": {
+                    "type": "string",
+                    "const": "agent",
+                    "description": "Discriminator indicating this is an agent URL-based deployment"
+                  },
+                  "agent_url": {
+                    "type": "string",
+                    "format": "uri",
+                    "description": "URL identifying the deployment agent"
+                  },
+                  "account": {
+                    "type": "string",
+                    "description": "Account identifier if applicable"
+                  },
+                  "is_live": {
+                    "type": "boolean",
+                    "description": "Whether signal is currently active on this deployment"
+                  },
+                  "activation_key": {
+                    "title": "Activation Key",
+                    "description": "The key to use for targeting. Only present if is_live=true AND requester has access to this deployment.",
+                    "type": "object",
+                    "oneOf": [
+                      {
+                        "properties": {
+                          "type": {
+                            "type": "string",
+                            "const": "segment_id",
+                            "description": "Segment ID based targeting"
+                          },
+                          "segment_id": {
+                            "type": "string",
+                            "description": "The platform-specific segment identifier to use in campaign targeting"
+                          }
+                        },
+                        "required": [
+                          "type",
+                          "segment_id"
+                        ],
+                        "additionalProperties": true
+                      },
+                      {
+                        "properties": {
+                          "type": {
+                            "type": "string",
+                            "const": "key_value",
+                            "description": "Key-value pair based targeting"
+                          },
+                          "key": {
+                            "type": "string",
+                            "description": "The targeting parameter key"
+                          },
+                          "value": {
+                            "type": "string",
+                            "description": "The targeting parameter value"
+                          }
+                        },
+                        "required": [
+                          "type",
+                          "key",
+                          "value"
+                        ],
+                        "additionalProperties": true
+                      }
+                    ]
+                  },
+                  "estimated_activation_duration_minutes": {
+                    "type": "number",
+                    "description": "Estimated time to activate if not live, or to complete activation if in progress",
+                    "minimum": 0
+                  },
+                  "deployed_at": {
+                    "type": "string",
+                    "format": "date-time",
+                    "description": "Timestamp when activation completed (if is_live=true)"
+                  }
+                },
+                "required": [
+                  "type",
+                  "agent_url",
+                  "is_live"
+                ],
+                "additionalProperties": true
+              }
+            ]
+          }
+        },
+        "context": {
+          "title": "Context Object",
+          "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+          "type": "object",
+          "additionalProperties": true
+        },
+        "ext": {
+          "title": "Extension Object",
+          "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+          "type": "object",
+          "additionalProperties": true
+        }
+      },
+      "required": [
+        "deployments"
+      ],
+      "additionalProperties": true,
+      "not": {
+        "required": [
+          "errors"
+        ]
+      }
+    },
+    {
+      "title": "ActivateSignalError",
+      "description": "Error response - operation failed, signal not activated",
+      "type": "object",
+      "properties": {
+        "errors": {
+          "type": "array",
+          "description": "Array of errors explaining why activation failed (e.g., platform connectivity issues, signal definition problems, authentication failures)",
+          "items": {
+            "title": "Error",
+            "description": "Standard error structure for task-specific errors and warnings",
+            "type": "object",
+            "properties": {
+              "code": {
+                "type": "string",
+                "description": "Error code for programmatic handling"
+              },
+              "message": {
+                "type": "string",
+                "description": "Human-readable error message"
+              },
+              "field": {
+                "type": "string",
+                "description": "Field path associated with the error (e.g., 'packages[0].targeting')"
+              },
+              "suggestion": {
+                "type": "string",
+                "description": "Suggested fix for the error"
+              },
+              "retry_after": {
+                "type": "number",
+                "description": "Seconds to wait before retrying the operation",
+                "minimum": 0
+              },
+              "details": {
+                "type": "object",
+                "description": "Additional task-specific error details",
+                "additionalProperties": true
+              }
+            },
+            "required": [
+              "code",
+              "message"
+            ],
+            "additionalProperties": true
+          },
+          "minItems": 1
+        },
+        "context": {
+          "title": "Context Object",
+          "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+          "type": "object",
+          "additionalProperties": true
+        },
+        "ext": {
+          "title": "Extension Object",
+          "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+          "type": "object",
+          "additionalProperties": true
+        }
+      },
+      "required": [
+        "errors"
+      ],
+      "additionalProperties": true,
+      "not": {
+        "required": [
+          "deployments"
+        ]
+      }
+    }
+  ],
+  "_bundled": {
+    "generatedAt": "2026-01-07T19:39:14.388Z",
+    "note": "This is a bundled schema with all $ref resolved inline. For the modular version with references, use the parent directory."
+  }
+}
\ No newline at end of file
diff --git a/dist/schemas/2.5.2/bundled/signals/get-signals-request.json b/dist/schemas/2.5.2/bundled/signals/get-signals-request.json
new file mode 100644
index 0000000000..e9e0843e4e
--- /dev/null
+++ b/dist/schemas/2.5.2/bundled/signals/get-signals-request.json
@@ -0,0 +1,154 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/bundled/signals/get-signals-request.json",
+  "title": "Get Signals Request",
+  "description": "Request parameters for discovering signals based on description",
+  "type": "object",
+  "properties": {
+    "signal_spec": {
+      "type": "string",
+      "description": "Natural language description of the desired signals"
+    },
+    "deliver_to": {
+      "type": "object",
+      "description": "Deployment targets where signals need to be activated",
+      "properties": {
+        "deployments": {
+          "type": "array",
+          "description": "List of deployment targets (DSPs, sales agents, etc.). If the authenticated caller matches one of these deployment targets, activation keys will be included in the response.",
+          "items": {
+            "title": "Destination",
+            "description": "A deployment target where signals can be activated (DSP, sales agent, etc.)",
+            "oneOf": [
+              {
+                "type": "object",
+                "properties": {
+                  "type": {
+                    "const": "platform",
+                    "description": "Discriminator indicating this is a platform-based deployment"
+                  },
+                  "platform": {
+                    "type": "string",
+                    "description": "Platform identifier for DSPs (e.g., 'the-trade-desk', 'amazon-dsp')"
+                  },
+                  "account": {
+                    "type": "string",
+                    "description": "Optional account identifier on the platform"
+                  }
+                },
+                "required": [
+                  "type",
+                  "platform"
+                ],
+                "additionalProperties": true
+              },
+              {
+                "type": "object",
+                "properties": {
+                  "type": {
+                    "const": "agent",
+                    "description": "Discriminator indicating this is an agent URL-based deployment"
+                  },
+                  "agent_url": {
+                    "type": "string",
+                    "format": "uri",
+                    "description": "URL identifying the deployment agent (for sales agents, etc.)"
+                  },
+                  "account": {
+                    "type": "string",
+                    "description": "Optional account identifier on the agent"
+                  }
+                },
+                "required": [
+                  "type",
+                  "agent_url"
+                ],
+                "additionalProperties": true
+              }
+            ]
+          },
+          "minItems": 1
+        },
+        "countries": {
+          "type": "array",
+          "description": "Countries where signals will be used (ISO codes)",
+          "items": {
+            "type": "string",
+            "pattern": "^[A-Z]{2}$"
+          }
+        }
+      },
+      "required": [
+        "deployments",
+        "countries"
+      ],
+      "additionalProperties": true
+    },
+    "filters": {
+      "title": "Signal Filters",
+      "description": "Filters to refine signal discovery results",
+      "type": "object",
+      "properties": {
+        "catalog_types": {
+          "type": "array",
+          "description": "Filter by catalog type",
+          "items": {
+            "title": "Signal Catalog Type",
+            "description": "Types of signal catalogs available for audience targeting",
+            "type": "string",
+            "enum": [
+              "marketplace",
+              "custom",
+              "owned"
+            ]
+          }
+        },
+        "data_providers": {
+          "type": "array",
+          "description": "Filter by specific data providers",
+          "items": {
+            "type": "string"
+          }
+        },
+        "max_cpm": {
+          "type": "number",
+          "description": "Maximum CPM price filter",
+          "minimum": 0
+        },
+        "min_coverage_percentage": {
+          "type": "number",
+          "description": "Minimum coverage requirement",
+          "minimum": 0,
+          "maximum": 100
+        }
+      },
+      "additionalProperties": true
+    },
+    "max_results": {
+      "type": "integer",
+      "description": "Maximum number of results to return",
+      "minimum": 1
+    },
+    "context": {
+      "title": "Context Object",
+      "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+      "type": "object",
+      "additionalProperties": true
+    },
+    "ext": {
+      "title": "Extension Object",
+      "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+      "type": "object",
+      "additionalProperties": true
+    }
+  },
+  "required": [
+    "signal_spec",
+    "deliver_to"
+  ],
+  "additionalProperties": true,
+  "_bundled": {
+    "generatedAt": "2026-01-07T19:39:14.388Z",
+    "note": "This is a bundled schema with all $ref resolved inline. For the modular version with references, use the parent directory."
+  }
+}
\ No newline at end of file
diff --git a/dist/schemas/2.5.2/bundled/signals/get-signals-response.json b/dist/schemas/2.5.2/bundled/signals/get-signals-response.json
new file mode 100644
index 0000000000..df6b796f28
--- /dev/null
+++ b/dist/schemas/2.5.2/bundled/signals/get-signals-response.json
@@ -0,0 +1,327 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/bundled/signals/get-signals-response.json",
+  "title": "Get Signals Response",
+  "description": "Response payload for get_signals task",
+  "type": "object",
+  "properties": {
+    "signals": {
+      "type": "array",
+      "description": "Array of matching signals",
+      "items": {
+        "type": "object",
+        "properties": {
+          "signal_agent_segment_id": {
+            "type": "string",
+            "description": "Unique identifier for the signal"
+          },
+          "name": {
+            "type": "string",
+            "description": "Human-readable signal name"
+          },
+          "description": {
+            "type": "string",
+            "description": "Detailed signal description"
+          },
+          "signal_type": {
+            "title": "Signal Catalog Type",
+            "description": "Type of signal",
+            "type": "string",
+            "enum": [
+              "marketplace",
+              "custom",
+              "owned"
+            ]
+          },
+          "data_provider": {
+            "type": "string",
+            "description": "Name of the data provider"
+          },
+          "coverage_percentage": {
+            "type": "number",
+            "description": "Percentage of audience coverage",
+            "minimum": 0,
+            "maximum": 100
+          },
+          "deployments": {
+            "type": "array",
+            "description": "Array of deployment targets",
+            "items": {
+              "title": "Deployment",
+              "description": "A signal deployment to a specific deployment target with activation status and key",
+              "oneOf": [
+                {
+                  "type": "object",
+                  "properties": {
+                    "type": {
+                      "type": "string",
+                      "const": "platform",
+                      "description": "Discriminator indicating this is a platform-based deployment"
+                    },
+                    "platform": {
+                      "type": "string",
+                      "description": "Platform identifier for DSPs"
+                    },
+                    "account": {
+                      "type": "string",
+                      "description": "Account identifier if applicable"
+                    },
+                    "is_live": {
+                      "type": "boolean",
+                      "description": "Whether signal is currently active on this deployment"
+                    },
+                    "activation_key": {
+                      "title": "Activation Key",
+                      "description": "The key to use for targeting. Only present if is_live=true AND requester has access to this deployment.",
+                      "type": "object",
+                      "oneOf": [
+                        {
+                          "properties": {
+                            "type": {
+                              "type": "string",
+                              "const": "segment_id",
+                              "description": "Segment ID based targeting"
+                            },
+                            "segment_id": {
+                              "type": "string",
+                              "description": "The platform-specific segment identifier to use in campaign targeting"
+                            }
+                          },
+                          "required": [
+                            "type",
+                            "segment_id"
+                          ],
+                          "additionalProperties": true
+                        },
+                        {
+                          "properties": {
+                            "type": {
+                              "type": "string",
+                              "const": "key_value",
+                              "description": "Key-value pair based targeting"
+                            },
+                            "key": {
+                              "type": "string",
+                              "description": "The targeting parameter key"
+                            },
+                            "value": {
+                              "type": "string",
+                              "description": "The targeting parameter value"
+                            }
+                          },
+                          "required": [
+                            "type",
+                            "key",
+                            "value"
+                          ],
+                          "additionalProperties": true
+                        }
+                      ]
+                    },
+                    "estimated_activation_duration_minutes": {
+                      "type": "number",
+                      "description": "Estimated time to activate if not live, or to complete activation if in progress",
+                      "minimum": 0
+                    },
+                    "deployed_at": {
+                      "type": "string",
+                      "format": "date-time",
+                      "description": "Timestamp when activation completed (if is_live=true)"
+                    }
+                  },
+                  "required": [
+                    "type",
+                    "platform",
+                    "is_live"
+                  ],
+                  "additionalProperties": true
+                },
+                {
+                  "type": "object",
+                  "properties": {
+                    "type": {
+                      "type": "string",
+                      "const": "agent",
+                      "description": "Discriminator indicating this is an agent URL-based deployment"
+                    },
+                    "agent_url": {
+                      "type": "string",
+                      "format": "uri",
+                      "description": "URL identifying the deployment agent"
+                    },
+                    "account": {
+                      "type": "string",
+                      "description": "Account identifier if applicable"
+                    },
+                    "is_live": {
+                      "type": "boolean",
+                      "description": "Whether signal is currently active on this deployment"
+                    },
+                    "activation_key": {
+                      "title": "Activation Key",
+                      "description": "The key to use for targeting. Only present if is_live=true AND requester has access to this deployment.",
+                      "type": "object",
+                      "oneOf": [
+                        {
+                          "properties": {
+                            "type": {
+                              "type": "string",
+                              "const": "segment_id",
+                              "description": "Segment ID based targeting"
+                            },
+                            "segment_id": {
+                              "type": "string",
+                              "description": "The platform-specific segment identifier to use in campaign targeting"
+                            }
+                          },
+                          "required": [
+                            "type",
+                            "segment_id"
+                          ],
+                          "additionalProperties": true
+                        },
+                        {
+                          "properties": {
+                            "type": {
+                              "type": "string",
+                              "const": "key_value",
+                              "description": "Key-value pair based targeting"
+                            },
+                            "key": {
+                              "type": "string",
+                              "description": "The targeting parameter key"
+                            },
+                            "value": {
+                              "type": "string",
+                              "description": "The targeting parameter value"
+                            }
+                          },
+                          "required": [
+                            "type",
+                            "key",
+                            "value"
+                          ],
+                          "additionalProperties": true
+                        }
+                      ]
+                    },
+                    "estimated_activation_duration_minutes": {
+                      "type": "number",
+                      "description": "Estimated time to activate if not live, or to complete activation if in progress",
+                      "minimum": 0
+                    },
+                    "deployed_at": {
+                      "type": "string",
+                      "format": "date-time",
+                      "description": "Timestamp when activation completed (if is_live=true)"
+                    }
+                  },
+                  "required": [
+                    "type",
+                    "agent_url",
+                    "is_live"
+                  ],
+                  "additionalProperties": true
+                }
+              ]
+            }
+          },
+          "pricing": {
+            "type": "object",
+            "description": "Pricing information",
+            "properties": {
+              "cpm": {
+                "type": "number",
+                "description": "Cost per thousand impressions",
+                "minimum": 0
+              },
+              "currency": {
+                "type": "string",
+                "description": "Currency code",
+                "pattern": "^[A-Z]{3}$"
+              }
+            },
+            "required": [
+              "cpm",
+              "currency"
+            ],
+            "additionalProperties": true
+          }
+        },
+        "required": [
+          "signal_agent_segment_id",
+          "name",
+          "description",
+          "signal_type",
+          "data_provider",
+          "coverage_percentage",
+          "deployments",
+          "pricing"
+        ],
+        "additionalProperties": true
+      }
+    },
+    "errors": {
+      "type": "array",
+      "description": "Task-specific errors and warnings (e.g., signal discovery or pricing issues)",
+      "items": {
+        "title": "Error",
+        "description": "Standard error structure for task-specific errors and warnings",
+        "type": "object",
+        "properties": {
+          "code": {
+            "type": "string",
+            "description": "Error code for programmatic handling"
+          },
+          "message": {
+            "type": "string",
+            "description": "Human-readable error message"
+          },
+          "field": {
+            "type": "string",
+            "description": "Field path associated with the error (e.g., 'packages[0].targeting')"
+          },
+          "suggestion": {
+            "type": "string",
+            "description": "Suggested fix for the error"
+          },
+          "retry_after": {
+            "type": "number",
+            "description": "Seconds to wait before retrying the operation",
+            "minimum": 0
+          },
+          "details": {
+            "type": "object",
+            "description": "Additional task-specific error details",
+            "additionalProperties": true
+          }
+        },
+        "required": [
+          "code",
+          "message"
+        ],
+        "additionalProperties": true
+      }
+    },
+    "context": {
+      "title": "Context Object",
+      "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+      "type": "object",
+      "additionalProperties": true
+    },
+    "ext": {
+      "title": "Extension Object",
+      "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+      "type": "object",
+      "additionalProperties": true
+    }
+  },
+  "required": [
+    "signals"
+  ],
+  "additionalProperties": true,
+  "_bundled": {
+    "generatedAt": "2026-01-07T19:39:14.388Z",
+    "note": "This is a bundled schema with all $ref resolved inline. For the modular version with references, use the parent directory."
+  }
+}
\ No newline at end of file
diff --git a/dist/schemas/2.5.2/core/activation-key.json b/dist/schemas/2.5.2/core/activation-key.json
new file mode 100644
index 0000000000..4d51a11eb2
--- /dev/null
+++ b/dist/schemas/2.5.2/core/activation-key.json
@@ -0,0 +1,50 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/activation-key.json",
+  "title": "Activation Key",
+  "description": "Universal identifier for using a signal on a destination platform. Can be either a segment ID or a key-value pair depending on the platform's targeting mechanism.",
+  "type": "object",
+  "oneOf": [
+    {
+      "properties": {
+        "type": {
+          "type": "string",
+          "const": "segment_id",
+          "description": "Segment ID based targeting"
+        },
+        "segment_id": {
+          "type": "string",
+          "description": "The platform-specific segment identifier to use in campaign targeting"
+        }
+      },
+      "required": [
+        "type",
+        "segment_id"
+      ],
+      "additionalProperties": true
+    },
+    {
+      "properties": {
+        "type": {
+          "type": "string",
+          "const": "key_value",
+          "description": "Key-value pair based targeting"
+        },
+        "key": {
+          "type": "string",
+          "description": "The targeting parameter key"
+        },
+        "value": {
+          "type": "string",
+          "description": "The targeting parameter value"
+        }
+      },
+      "required": [
+        "type",
+        "key",
+        "value"
+      ],
+      "additionalProperties": true
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/core/assets/audio-asset.json b/dist/schemas/2.5.2/core/assets/audio-asset.json
new file mode 100644
index 0000000000..35aa54bd99
--- /dev/null
+++ b/dist/schemas/2.5.2/core/assets/audio-asset.json
@@ -0,0 +1,32 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/assets/audio-asset.json",
+  "title": "Audio Asset",
+  "description": "Audio asset with URL and specifications",
+  "type": "object",
+  "properties": {
+    "url": {
+      "type": "string",
+      "format": "uri",
+      "description": "URL to the audio asset"
+    },
+    "duration_ms": {
+      "type": "integer",
+      "description": "Audio duration in milliseconds",
+      "minimum": 0
+    },
+    "format": {
+      "type": "string",
+      "description": "Audio file format (mp3, wav, aac, etc.)"
+    },
+    "bitrate_kbps": {
+      "type": "integer",
+      "description": "Audio bitrate in kilobits per second",
+      "minimum": 1
+    }
+  },
+  "required": [
+    "url"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/assets/css-asset.json b/dist/schemas/2.5.2/core/assets/css-asset.json
new file mode 100644
index 0000000000..cab94d7528
--- /dev/null
+++ b/dist/schemas/2.5.2/core/assets/css-asset.json
@@ -0,0 +1,21 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/assets/css-asset.json",
+  "title": "CSS Asset",
+  "description": "CSS stylesheet asset",
+  "type": "object",
+  "properties": {
+    "content": {
+      "type": "string",
+      "description": "CSS content"
+    },
+    "media": {
+      "type": "string",
+      "description": "CSS media query context (e.g., 'screen', 'print')"
+    }
+  },
+  "required": [
+    "content"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/assets/daast-asset.json b/dist/schemas/2.5.2/core/assets/daast-asset.json
new file mode 100644
index 0000000000..efc5bf40db
--- /dev/null
+++ b/dist/schemas/2.5.2/core/assets/daast-asset.json
@@ -0,0 +1,87 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/assets/daast-asset.json",
+  "title": "DAAST Asset",
+  "description": "DAAST (Digital Audio Ad Serving Template) tag for third-party audio ad serving",
+  "oneOf": [
+    {
+      "type": "object",
+      "properties": {
+        "delivery_type": {
+          "type": "string",
+          "const": "url",
+          "description": "Discriminator indicating DAAST is delivered via URL endpoint"
+        },
+        "url": {
+          "type": "string",
+          "format": "uri",
+          "description": "URL endpoint that returns DAAST XML"
+        },
+        "daast_version": {
+          "$ref": "/schemas/2.5.2/enums/daast-version.json",
+          "description": "DAAST specification version"
+        },
+        "duration_ms": {
+          "type": "integer",
+          "description": "Expected audio duration in milliseconds (if known)",
+          "minimum": 0
+        },
+        "tracking_events": {
+          "type": "array",
+          "items": {
+            "$ref": "/schemas/2.5.2/enums/daast-tracking-event.json"
+          },
+          "description": "Tracking events supported by this DAAST tag"
+        },
+        "companion_ads": {
+          "type": "boolean",
+          "description": "Whether companion display ads are included"
+        }
+      },
+      "required": [
+        "delivery_type",
+        "url"
+      ],
+      "additionalProperties": true
+    },
+    {
+      "type": "object",
+      "properties": {
+        "delivery_type": {
+          "type": "string",
+          "const": "inline",
+          "description": "Discriminator indicating DAAST is delivered as inline XML content"
+        },
+        "content": {
+          "type": "string",
+          "description": "Inline DAAST XML content"
+        },
+        "daast_version": {
+          "$ref": "/schemas/2.5.2/enums/daast-version.json",
+          "description": "DAAST specification version"
+        },
+        "duration_ms": {
+          "type": "integer",
+          "description": "Expected audio duration in milliseconds (if known)",
+          "minimum": 0
+        },
+        "tracking_events": {
+          "type": "array",
+          "items": {
+            "$ref": "/schemas/2.5.2/enums/daast-tracking-event.json"
+          },
+          "description": "Tracking events supported by this DAAST tag"
+        },
+        "companion_ads": {
+          "type": "boolean",
+          "description": "Whether companion display ads are included"
+        }
+      },
+      "required": [
+        "delivery_type",
+        "content"
+      ],
+      "additionalProperties": true
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/core/assets/html-asset.json b/dist/schemas/2.5.2/core/assets/html-asset.json
new file mode 100644
index 0000000000..7de6afb34d
--- /dev/null
+++ b/dist/schemas/2.5.2/core/assets/html-asset.json
@@ -0,0 +1,21 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/assets/html-asset.json",
+  "title": "HTML Asset",
+  "description": "HTML content asset",
+  "type": "object",
+  "properties": {
+    "content": {
+      "type": "string",
+      "description": "HTML content"
+    },
+    "version": {
+      "type": "string",
+      "description": "HTML version (e.g., 'HTML5')"
+    }
+  },
+  "required": [
+    "content"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/assets/image-asset.json b/dist/schemas/2.5.2/core/assets/image-asset.json
new file mode 100644
index 0000000000..ab6dced6e3
--- /dev/null
+++ b/dist/schemas/2.5.2/core/assets/image-asset.json
@@ -0,0 +1,38 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/assets/image-asset.json",
+  "title": "Image Asset",
+  "description": "Image asset with URL and dimensions",
+  "type": "object",
+  "properties": {
+    "url": {
+      "type": "string",
+      "format": "uri",
+      "description": "URL to the image asset"
+    },
+    "width": {
+      "type": "integer",
+      "minimum": 1,
+      "description": "Width in pixels"
+    },
+    "height": {
+      "type": "integer",
+      "minimum": 1,
+      "description": "Height in pixels"
+    },
+    "format": {
+      "type": "string",
+      "description": "Image file format (jpg, png, gif, webp, etc.)"
+    },
+    "alt_text": {
+      "type": "string",
+      "description": "Alternative text for accessibility"
+    }
+  },
+  "required": [
+    "url",
+    "width",
+    "height"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/assets/javascript-asset.json b/dist/schemas/2.5.2/core/assets/javascript-asset.json
new file mode 100644
index 0000000000..ebc70b78b2
--- /dev/null
+++ b/dist/schemas/2.5.2/core/assets/javascript-asset.json
@@ -0,0 +1,21 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/assets/javascript-asset.json",
+  "title": "JavaScript Asset",
+  "description": "JavaScript code asset",
+  "type": "object",
+  "properties": {
+    "content": {
+      "type": "string",
+      "description": "JavaScript content"
+    },
+    "module_type": {
+      "$ref": "/schemas/2.5.2/enums/javascript-module-type.json",
+      "description": "JavaScript module type"
+    }
+  },
+  "required": [
+    "content"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/assets/markdown-asset.json b/dist/schemas/2.5.2/core/assets/markdown-asset.json
new file mode 100644
index 0000000000..5c235d7688
--- /dev/null
+++ b/dist/schemas/2.5.2/core/assets/markdown-asset.json
@@ -0,0 +1,31 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/assets/markdown-asset.json",
+  "title": "Markdown Asset",
+  "description": "Markdown-formatted text content following CommonMark specification",
+  "type": "object",
+  "properties": {
+    "content": {
+      "type": "string",
+      "description": "Markdown content following CommonMark spec with optional GitHub Flavored Markdown extensions"
+    },
+    "language": {
+      "type": "string",
+      "description": "Language code (e.g., 'en', 'es', 'fr')"
+    },
+    "markdown_flavor": {
+      "$ref": "/schemas/2.5.2/enums/markdown-flavor.json",
+      "default": "commonmark",
+      "description": "Markdown flavor used. CommonMark for strict compatibility, GFM for tables/task lists/strikethrough."
+    },
+    "allow_raw_html": {
+      "type": "boolean",
+      "default": false,
+      "description": "Whether raw HTML blocks are allowed in the markdown. False recommended for security."
+    }
+  },
+  "required": [
+    "content"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/assets/text-asset.json b/dist/schemas/2.5.2/core/assets/text-asset.json
new file mode 100644
index 0000000000..24ee254c49
--- /dev/null
+++ b/dist/schemas/2.5.2/core/assets/text-asset.json
@@ -0,0 +1,21 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/assets/text-asset.json",
+  "title": "Text Asset",
+  "description": "Text content asset",
+  "type": "object",
+  "properties": {
+    "content": {
+      "type": "string",
+      "description": "Text content"
+    },
+    "language": {
+      "type": "string",
+      "description": "Language code (e.g., 'en', 'es', 'fr')"
+    }
+  },
+  "required": [
+    "content"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/assets/url-asset.json b/dist/schemas/2.5.2/core/assets/url-asset.json
new file mode 100644
index 0000000000..a1e45a5ca6
--- /dev/null
+++ b/dist/schemas/2.5.2/core/assets/url-asset.json
@@ -0,0 +1,26 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/assets/url-asset.json",
+  "title": "URL Asset",
+  "description": "URL reference asset",
+  "type": "object",
+  "properties": {
+    "url": {
+      "type": "string",
+      "format": "uri",
+      "description": "URL reference"
+    },
+    "url_type": {
+      "$ref": "/schemas/2.5.2/enums/url-asset-type.json",
+      "description": "Type of URL asset: 'clickthrough' for user click destination (landing page), 'tracker_pixel' for impression/event tracking via HTTP request (fires GET, expects pixel/204 response), 'tracker_script' for measurement SDKs that must load as <script> tag (OMID verification, native event trackers using method:2)"
+    },
+    "description": {
+      "type": "string",
+      "description": "Description of what this URL points to"
+    }
+  },
+  "required": [
+    "url"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/assets/vast-asset.json b/dist/schemas/2.5.2/core/assets/vast-asset.json
new file mode 100644
index 0000000000..ae0bf25986
--- /dev/null
+++ b/dist/schemas/2.5.2/core/assets/vast-asset.json
@@ -0,0 +1,87 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/assets/vast-asset.json",
+  "title": "VAST Asset",
+  "description": "VAST (Video Ad Serving Template) tag for third-party video ad serving",
+  "oneOf": [
+    {
+      "type": "object",
+      "properties": {
+        "delivery_type": {
+          "type": "string",
+          "const": "url",
+          "description": "Discriminator indicating VAST is delivered via URL endpoint"
+        },
+        "url": {
+          "type": "string",
+          "format": "uri",
+          "description": "URL endpoint that returns VAST XML"
+        },
+        "vast_version": {
+          "$ref": "/schemas/2.5.2/enums/vast-version.json",
+          "description": "VAST specification version"
+        },
+        "vpaid_enabled": {
+          "type": "boolean",
+          "description": "Whether VPAID (Video Player-Ad Interface Definition) is supported"
+        },
+        "duration_ms": {
+          "type": "integer",
+          "description": "Expected video duration in milliseconds (if known)",
+          "minimum": 0
+        },
+        "tracking_events": {
+          "type": "array",
+          "items": {
+            "$ref": "/schemas/2.5.2/enums/vast-tracking-event.json"
+          },
+          "description": "Tracking events supported by this VAST tag"
+        }
+      },
+      "required": [
+        "delivery_type",
+        "url"
+      ],
+      "additionalProperties": true
+    },
+    {
+      "type": "object",
+      "properties": {
+        "delivery_type": {
+          "type": "string",
+          "const": "inline",
+          "description": "Discriminator indicating VAST is delivered as inline XML content"
+        },
+        "content": {
+          "type": "string",
+          "description": "Inline VAST XML content"
+        },
+        "vast_version": {
+          "$ref": "/schemas/2.5.2/enums/vast-version.json",
+          "description": "VAST specification version"
+        },
+        "vpaid_enabled": {
+          "type": "boolean",
+          "description": "Whether VPAID (Video Player-Ad Interface Definition) is supported"
+        },
+        "duration_ms": {
+          "type": "integer",
+          "description": "Expected video duration in milliseconds (if known)",
+          "minimum": 0
+        },
+        "tracking_events": {
+          "type": "array",
+          "items": {
+            "$ref": "/schemas/2.5.2/enums/vast-tracking-event.json"
+          },
+          "description": "Tracking events supported by this VAST tag"
+        }
+      },
+      "required": [
+        "delivery_type",
+        "content"
+      ],
+      "additionalProperties": true
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/core/assets/video-asset.json b/dist/schemas/2.5.2/core/assets/video-asset.json
new file mode 100644
index 0000000000..3cb3714f48
--- /dev/null
+++ b/dist/schemas/2.5.2/core/assets/video-asset.json
@@ -0,0 +1,44 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/assets/video-asset.json",
+  "title": "Video Asset",
+  "description": "Video asset with URL and specifications",
+  "type": "object",
+  "properties": {
+    "url": {
+      "type": "string",
+      "format": "uri",
+      "description": "URL to the video asset"
+    },
+    "width": {
+      "type": "integer",
+      "minimum": 1,
+      "description": "Width in pixels"
+    },
+    "height": {
+      "type": "integer",
+      "minimum": 1,
+      "description": "Height in pixels"
+    },
+    "duration_ms": {
+      "type": "integer",
+      "description": "Video duration in milliseconds",
+      "minimum": 1
+    },
+    "format": {
+      "type": "string",
+      "description": "Video file format (mp4, webm, mov, etc.)"
+    },
+    "bitrate_kbps": {
+      "type": "integer",
+      "description": "Video bitrate in kilobits per second",
+      "minimum": 1
+    }
+  },
+  "required": [
+    "url",
+    "width",
+    "height"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/assets/webhook-asset.json b/dist/schemas/2.5.2/core/assets/webhook-asset.json
new file mode 100644
index 0000000000..8bdb222493
--- /dev/null
+++ b/dist/schemas/2.5.2/core/assets/webhook-asset.json
@@ -0,0 +1,71 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/assets/webhook-asset.json",
+  "title": "Webhook Asset",
+  "description": "Webhook for server-side dynamic content rendering (DCO)",
+  "type": "object",
+  "properties": {
+    "url": {
+      "type": "string",
+      "format": "uri",
+      "description": "Webhook URL to call for dynamic content"
+    },
+    "method": {
+      "$ref": "/schemas/2.5.2/enums/http-method.json",
+      "default": "POST",
+      "description": "HTTP method"
+    },
+    "timeout_ms": {
+      "type": "integer",
+      "minimum": 10,
+      "maximum": 5000,
+      "default": 500,
+      "description": "Maximum time to wait for response in milliseconds"
+    },
+    "supported_macros": {
+      "type": "array",
+      "items": {
+        "type": "string"
+      },
+      "description": "Universal macros that can be passed to webhook (e.g., {DEVICE_TYPE}, {COUNTRY})"
+    },
+    "required_macros": {
+      "type": "array",
+      "items": {
+        "type": "string"
+      },
+      "description": "Universal macros that must be provided for webhook to function"
+    },
+    "response_type": {
+      "$ref": "/schemas/2.5.2/enums/webhook-response-type.json",
+      "description": "Expected content type of webhook response"
+    },
+    "security": {
+      "type": "object",
+      "description": "Security configuration for webhook calls",
+      "properties": {
+        "method": {
+          "$ref": "/schemas/2.5.2/enums/webhook-security-method.json",
+          "description": "Authentication method"
+        },
+        "hmac_header": {
+          "type": "string",
+          "description": "Header name for HMAC signature (e.g., 'X-Signature')"
+        },
+        "api_key_header": {
+          "type": "string",
+          "description": "Header name for API key (e.g., 'X-API-Key')"
+        }
+      },
+      "required": [
+        "method"
+      ]
+    }
+  },
+  "required": [
+    "url",
+    "response_type",
+    "security"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/async-response-data.json b/dist/schemas/2.5.2/core/async-response-data.json
new file mode 100644
index 0000000000..139bb81c74
--- /dev/null
+++ b/dist/schemas/2.5.2/core/async-response-data.json
@@ -0,0 +1,88 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/async-response-data.json",
+  "title": "AdCP Async Response Data",
+  "description": "Union of all possible data payloads for async task webhook responses. For completed/failed statuses, use the main task response schema. For working/input-required/submitted, use the status-specific schemas.",
+  "anyOf": [
+    {
+      "title": "GetProductsResponse",
+      "description": "Response for completed or failed get_products",
+      "$ref": "/schemas/2.5.2/media-buy/get-products-response.json"
+    },
+    {
+      "title": "GetProductsAsyncWorking",
+      "description": "Progress data for working get_products",
+      "$ref": "/schemas/2.5.2/media-buy/get-products-async-response-working.json"
+    },
+    {
+      "title": "GetProductsAsyncInputRequired",
+      "description": "Input requirements for get_products needing clarification",
+      "$ref": "/schemas/2.5.2/media-buy/get-products-async-response-input-required.json"
+    },
+    {
+      "title": "GetProductsAsyncSubmitted",
+      "description": "Acknowledgment for submitted get_products (custom curation)",
+      "$ref": "/schemas/2.5.2/media-buy/get-products-async-response-submitted.json"
+    },
+    {
+      "title": "CreateMediaBuyResponse",
+      "description": "Response for completed or failed create_media_buy",
+      "$ref": "/schemas/2.5.2/media-buy/create-media-buy-response.json"
+    },
+    {
+      "title": "CreateMediaBuyAsyncWorking",
+      "description": "Progress data for working create_media_buy",
+      "$ref": "/schemas/2.5.2/media-buy/create-media-buy-async-response-working.json"
+    },
+    {
+      "title": "CreateMediaBuyAsyncInputRequired",
+      "description": "Input requirements for create_media_buy needing user input",
+      "$ref": "/schemas/2.5.2/media-buy/create-media-buy-async-response-input-required.json"
+    },
+    {
+      "title": "CreateMediaBuyAsyncSubmitted",
+      "description": "Acknowledgment for submitted create_media_buy",
+      "$ref": "/schemas/2.5.2/media-buy/create-media-buy-async-response-submitted.json"
+    },
+    {
+      "title": "UpdateMediaBuyResponse",
+      "description": "Response for completed or failed update_media_buy",
+      "$ref": "/schemas/2.5.2/media-buy/update-media-buy-response.json"
+    },
+    {
+      "title": "UpdateMediaBuyAsyncWorking",
+      "description": "Progress data for working update_media_buy",
+      "$ref": "/schemas/2.5.2/media-buy/update-media-buy-async-response-working.json"
+    },
+    {
+      "title": "UpdateMediaBuyAsyncInputRequired",
+      "description": "Input requirements for update_media_buy needing user input",
+      "$ref": "/schemas/2.5.2/media-buy/update-media-buy-async-response-input-required.json"
+    },
+    {
+      "title": "UpdateMediaBuyAsyncSubmitted",
+      "description": "Acknowledgment for submitted update_media_buy",
+      "$ref": "/schemas/2.5.2/media-buy/update-media-buy-async-response-submitted.json"
+    },
+    {
+      "title": "SyncCreativesResponse",
+      "description": "Response for completed or failed sync_creatives",
+      "$ref": "/schemas/2.5.2/media-buy/sync-creatives-response.json"
+    },
+    {
+      "title": "SyncCreativesAsyncWorking",
+      "description": "Progress data for working sync_creatives",
+      "$ref": "/schemas/2.5.2/media-buy/sync-creatives-async-response-working.json"
+    },
+    {
+      "title": "SyncCreativesAsyncInputRequired",
+      "description": "Input requirements for sync_creatives needing user input",
+      "$ref": "/schemas/2.5.2/media-buy/sync-creatives-async-response-input-required.json"
+    },
+    {
+      "title": "SyncCreativesAsyncSubmitted",
+      "description": "Acknowledgment for submitted sync_creatives",
+      "$ref": "/schemas/2.5.2/media-buy/sync-creatives-async-response-submitted.json"
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/core/brand-manifest-ref.json b/dist/schemas/2.5.2/core/brand-manifest-ref.json
new file mode 100644
index 0000000000..f2a40aa0c8
--- /dev/null
+++ b/dist/schemas/2.5.2/core/brand-manifest-ref.json
@@ -0,0 +1,33 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/brand-manifest-ref.json",
+  "title": "Brand Manifest Reference",
+  "description": "Brand manifest provided either as an inline object or a URL string pointing to a hosted manifest",
+  "oneOf": [
+    {
+      "$ref": "/schemas/2.5.2/core/brand-manifest.json",
+      "description": "Inline brand manifest object"
+    },
+    {
+      "type": "string",
+      "format": "uri",
+      "description": "URL to a hosted brand manifest JSON file. The manifest at this URL must conform to the brand-manifest.json schema."
+    }
+  ],
+  "examples": [
+    {
+      "description": "Inline brand manifest",
+      "data": {
+        "url": "https://acmecorp.com",
+        "name": "ACME Corporation",
+        "colors": {
+          "primary": "#FF6B35"
+        }
+      }
+    },
+    {
+      "description": "URL string reference to hosted manifest",
+      "data": "https://cdn.acmecorp.com/brand-manifest.json"
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/core/brand-manifest.json b/dist/schemas/2.5.2/core/brand-manifest.json
new file mode 100644
index 0000000000..3db29bf383
--- /dev/null
+++ b/dist/schemas/2.5.2/core/brand-manifest.json
@@ -0,0 +1,409 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/brand-manifest.json",
+  "title": "Brand Manifest",
+  "description": "Standardized brand information manifest for creative generation and media buying. Enables low-friction creative workflows by providing brand context that can be easily cached and shared across requests.",
+  "type": "object",
+  "properties": {
+    "url": {
+      "type": "string",
+      "format": "uri",
+      "description": "Primary brand URL for context and asset discovery. Creative agents can infer brand information from this URL."
+    },
+    "name": {
+      "type": "string",
+      "description": "Brand or business name"
+    },
+    "logos": {
+      "type": "array",
+      "description": "Brand logo assets with semantic tags for different use cases",
+      "items": {
+        "type": "object",
+        "properties": {
+          "url": {
+            "type": "string",
+            "format": "uri",
+            "description": "URL to the logo asset"
+          },
+          "tags": {
+            "type": "array",
+            "description": "Semantic tags describing the logo variant (e.g., 'dark', 'light', 'square', 'horizontal', 'icon')",
+            "items": {
+              "type": "string"
+            }
+          },
+          "width": {
+            "type": "integer",
+            "description": "Logo width in pixels"
+          },
+          "height": {
+            "type": "integer",
+            "description": "Logo height in pixels"
+          }
+        },
+        "required": [
+          "url"
+        ]
+      }
+    },
+    "colors": {
+      "type": "object",
+      "description": "Brand color palette",
+      "properties": {
+        "primary": {
+          "type": "string",
+          "pattern": "^#[0-9A-Fa-f]{6}$",
+          "description": "Primary brand color (hex format)"
+        },
+        "secondary": {
+          "type": "string",
+          "pattern": "^#[0-9A-Fa-f]{6}$",
+          "description": "Secondary brand color (hex format)"
+        },
+        "accent": {
+          "type": "string",
+          "pattern": "^#[0-9A-Fa-f]{6}$",
+          "description": "Accent color (hex format)"
+        },
+        "background": {
+          "type": "string",
+          "pattern": "^#[0-9A-Fa-f]{6}$",
+          "description": "Background color (hex format)"
+        },
+        "text": {
+          "type": "string",
+          "pattern": "^#[0-9A-Fa-f]{6}$",
+          "description": "Text color (hex format)"
+        }
+      }
+    },
+    "fonts": {
+      "type": "object",
+      "description": "Brand typography guidelines",
+      "properties": {
+        "primary": {
+          "type": "string",
+          "description": "Primary font family name"
+        },
+        "secondary": {
+          "type": "string",
+          "description": "Secondary font family name"
+        },
+        "font_urls": {
+          "type": "array",
+          "description": "URLs to web font files if using custom fonts",
+          "items": {
+            "type": "string",
+            "format": "uri"
+          }
+        }
+      }
+    },
+    "tone": {
+      "type": "string",
+      "description": "Brand voice and messaging tone (e.g., 'professional', 'casual', 'humorous', 'trustworthy', 'innovative')"
+    },
+    "tagline": {
+      "type": "string",
+      "description": "Brand tagline or slogan"
+    },
+    "assets": {
+      "type": "array",
+      "description": "Brand asset library with explicit assets and tags. Assets are referenced inline with URLs pointing to CDN-hosted files.",
+      "items": {
+        "type": "object",
+        "properties": {
+          "asset_id": {
+            "type": "string",
+            "description": "Unique identifier for this asset"
+          },
+          "asset_type": {
+            "$ref": "/schemas/2.5.2/enums/asset-content-type.json",
+            "description": "Type of asset. Note: Brand manifests typically contain basic media assets (image, video, audio, text). Code assets (html, javascript, css) and ad markup (vast, daast) are usually not part of brand asset libraries."
+          },
+          "url": {
+            "type": "string",
+            "format": "uri",
+            "description": "URL to CDN-hosted asset file"
+          },
+          "tags": {
+            "type": "array",
+            "description": "Tags for asset discovery (e.g., 'holiday', 'lifestyle', 'product_shot')",
+            "items": {
+              "type": "string"
+            }
+          },
+          "name": {
+            "type": "string",
+            "description": "Human-readable asset name"
+          },
+          "description": {
+            "type": "string",
+            "description": "Asset description or usage notes"
+          },
+          "width": {
+            "type": "integer",
+            "description": "Image/video width in pixels"
+          },
+          "height": {
+            "type": "integer",
+            "description": "Image/video height in pixels"
+          },
+          "duration_seconds": {
+            "type": "number",
+            "description": "Video/audio duration in seconds"
+          },
+          "file_size_bytes": {
+            "type": "integer",
+            "description": "File size in bytes"
+          },
+          "format": {
+            "type": "string",
+            "description": "File format (e.g., 'jpg', 'mp4', 'mp3')"
+          },
+          "metadata": {
+            "type": "object",
+            "description": "Additional asset-specific metadata",
+            "additionalProperties": true
+          }
+        },
+        "required": [
+          "asset_id",
+          "asset_type",
+          "url"
+        ],
+        "additionalProperties": true
+      }
+    },
+    "product_catalog": {
+      "type": "object",
+      "description": "Product catalog information for e-commerce advertisers. Enables SKU-level creative generation and product selection.",
+      "properties": {
+        "feed_url": {
+          "type": "string",
+          "format": "uri",
+          "description": "URL to product catalog feed"
+        },
+        "feed_format": {
+          "type": "string",
+          "enum": [
+            "google_merchant_center",
+            "facebook_catalog",
+            "custom"
+          ],
+          "default": "google_merchant_center",
+          "description": "Format of the product feed"
+        },
+        "categories": {
+          "type": "array",
+          "description": "Product categories available in the catalog (for filtering)",
+          "items": {
+            "type": "string"
+          }
+        },
+        "last_updated": {
+          "type": "string",
+          "format": "date-time",
+          "description": "When the product catalog was last updated"
+        },
+        "update_frequency": {
+          "type": "string",
+          "enum": [
+            "realtime",
+            "hourly",
+            "daily",
+            "weekly"
+          ],
+          "description": "How frequently the product catalog is updated"
+        }
+      },
+      "required": [
+        "feed_url"
+      ],
+      "additionalProperties": true
+    },
+    "disclaimers": {
+      "type": "array",
+      "description": "Legal disclaimers or required text that must appear in creatives",
+      "items": {
+        "type": "object",
+        "properties": {
+          "text": {
+            "type": "string",
+            "description": "Disclaimer text"
+          },
+          "context": {
+            "type": "string",
+            "description": "When this disclaimer applies (e.g., 'financial_products', 'health_claims', 'all')"
+          },
+          "required": {
+            "type": "boolean",
+            "description": "Whether this disclaimer must appear",
+            "default": true
+          }
+        },
+        "required": [
+          "text"
+        ]
+      }
+    },
+    "industry": {
+      "type": "string",
+      "description": "Industry or vertical (e.g., 'retail', 'automotive', 'finance', 'healthcare')"
+    },
+    "target_audience": {
+      "type": "string",
+      "description": "Primary target audience description"
+    },
+    "contact": {
+      "type": "object",
+      "description": "Brand contact information",
+      "properties": {
+        "email": {
+          "type": "string",
+          "format": "email",
+          "description": "Contact email"
+        },
+        "phone": {
+          "type": "string",
+          "description": "Contact phone number"
+        }
+      }
+    },
+    "metadata": {
+      "type": "object",
+      "description": "Additional brand metadata",
+      "properties": {
+        "created_date": {
+          "type": "string",
+          "format": "date-time",
+          "description": "When this brand manifest was created"
+        },
+        "updated_date": {
+          "type": "string",
+          "format": "date-time",
+          "description": "When this brand manifest was last updated"
+        },
+        "version": {
+          "type": "string",
+          "description": "Brand card version number"
+        }
+      }
+    }
+  },
+  "required": [
+    "name"
+  ],
+  "additionalProperties": true,
+  "examples": [
+    {
+      "description": "Example with both URL and name",
+      "data": {
+        "url": "https://bobsfunburgers.com",
+        "name": "Bob's Fun Burgers"
+      }
+    },
+    {
+      "description": "Example: white-label brand without dedicated URL",
+      "data": {
+        "name": "Great Value",
+        "colors": {
+          "primary": "#0071CE",
+          "secondary": "#FFC220"
+        },
+        "tone": "affordable and trustworthy"
+      }
+    },
+    {
+      "description": "Full brand manifest with all fields",
+      "data": {
+        "url": "https://acmecorp.com",
+        "name": "ACME Corporation",
+        "logos": [
+          {
+            "url": "https://cdn.acmecorp.com/logo-square-dark.png",
+            "tags": [
+              "dark",
+              "square"
+            ],
+            "width": 512,
+            "height": 512
+          },
+          {
+            "url": "https://cdn.acmecorp.com/logo-horizontal-light.png",
+            "tags": [
+              "light",
+              "horizontal"
+            ],
+            "width": 1200,
+            "height": 400
+          }
+        ],
+        "colors": {
+          "primary": "#FF6B35",
+          "secondary": "#004E89",
+          "accent": "#F7931E",
+          "background": "#FFFFFF",
+          "text": "#1A1A1A"
+        },
+        "fonts": {
+          "primary": "Helvetica Neue",
+          "secondary": "Georgia"
+        },
+        "tone": "professional and trustworthy",
+        "tagline": "Innovation You Can Trust",
+        "assets": [
+          {
+            "asset_id": "hero_winter_2024",
+            "asset_type": "image",
+            "url": "https://cdn.acmecorp.com/hero-winter-2024.jpg",
+            "tags": [
+              "hero",
+              "winter",
+              "holiday",
+              "lifestyle"
+            ],
+            "name": "Winter Campaign Hero",
+            "width": 1920,
+            "height": 1080,
+            "format": "jpg"
+          },
+          {
+            "asset_id": "product_video_30s",
+            "asset_type": "video",
+            "url": "https://cdn.acmecorp.com/product-demo-30s.mp4",
+            "tags": [
+              "product",
+              "demo",
+              "30s"
+            ],
+            "name": "Product Demo 30 Second",
+            "width": 1920,
+            "height": 1080,
+            "duration_seconds": 30,
+            "format": "mp4"
+          }
+        ],
+        "product_catalog": {
+          "feed_url": "https://acmecorp.com/products.xml",
+          "feed_format": "google_merchant_center",
+          "categories": [
+            "electronics/computers",
+            "electronics/accessories"
+          ],
+          "last_updated": "2024-03-15T10:00:00Z",
+          "update_frequency": "hourly"
+        },
+        "disclaimers": [
+          {
+            "text": "Results may vary. Consult a professional before use.",
+            "context": "health_claims",
+            "required": true
+          }
+        ],
+        "industry": "technology",
+        "target_audience": "business decision-makers aged 35-55"
+      }
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/core/context.json b/dist/schemas/2.5.2/core/context.json
new file mode 100644
index 0000000000..94d26ab7d9
--- /dev/null
+++ b/dist/schemas/2.5.2/core/context.json
@@ -0,0 +1,8 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/context.json",
+  "title": "Context Object",
+  "description": "Opaque correlation data that is echoed unchanged in responses. Used for internal tracking, UI session IDs, trace IDs, and other caller-specific identifiers that don't affect protocol behavior. Context data is never parsed by AdCP agents - it's simply preserved and returned.",
+  "type": "object",
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/creative-asset.json b/dist/schemas/2.5.2/core/creative-asset.json
new file mode 100644
index 0000000000..ab439a48ed
--- /dev/null
+++ b/dist/schemas/2.5.2/core/creative-asset.json
@@ -0,0 +1,125 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/creative-asset.json",
+  "title": "Creative Asset",
+  "description": "Creative asset for upload to library - supports static assets, generative formats, and third-party snippets",
+  "type": "object",
+  "properties": {
+    "creative_id": {
+      "type": "string",
+      "description": "Unique identifier for the creative"
+    },
+    "name": {
+      "type": "string",
+      "description": "Human-readable creative name"
+    },
+    "format_id": {
+      "$ref": "/schemas/2.5.2/core/format-id.json",
+      "description": "Format identifier specifying which format this creative conforms to. Can be: (1) concrete format_id referencing a format with fixed dimensions, (2) template format_id referencing a template format, or (3) parameterized format_id with dimensions/duration parameters for template formats."
+    },
+    "assets": {
+      "type": "object",
+      "description": "Assets required by the format, keyed by asset_role",
+      "patternProperties": {
+        "^[a-zA-Z0-9_-]+$": {
+          "oneOf": [
+            {
+              "$ref": "/schemas/2.5.2/core/assets/image-asset.json"
+            },
+            {
+              "$ref": "/schemas/2.5.2/core/assets/video-asset.json"
+            },
+            {
+              "$ref": "/schemas/2.5.2/core/assets/audio-asset.json"
+            },
+            {
+              "$ref": "/schemas/2.5.2/core/assets/text-asset.json"
+            },
+            {
+              "$ref": "/schemas/2.5.2/core/assets/html-asset.json"
+            },
+            {
+              "$ref": "/schemas/2.5.2/core/assets/css-asset.json"
+            },
+            {
+              "$ref": "/schemas/2.5.2/core/assets/javascript-asset.json"
+            },
+            {
+              "$ref": "/schemas/2.5.2/core/assets/vast-asset.json"
+            },
+            {
+              "$ref": "/schemas/2.5.2/core/assets/daast-asset.json"
+            },
+            {
+              "$ref": "/schemas/2.5.2/core/promoted-offerings.json"
+            },
+            {
+              "$ref": "/schemas/2.5.2/core/assets/url-asset.json"
+            }
+          ]
+        }
+      },
+      "additionalProperties": true
+    },
+    "inputs": {
+      "type": "array",
+      "description": "Preview contexts for generative formats - defines what scenarios to generate previews for",
+      "items": {
+        "type": "object",
+        "properties": {
+          "name": {
+            "type": "string",
+            "description": "Human-readable name for this preview variant"
+          },
+          "macros": {
+            "type": "object",
+            "description": "Macro values to apply for this preview",
+            "additionalProperties": {
+              "type": "string"
+            }
+          },
+          "context_description": {
+            "type": "string",
+            "description": "Natural language description of the context for AI-generated content"
+          }
+        },
+        "required": [
+          "name"
+        ],
+        "additionalProperties": true
+      }
+    },
+    "tags": {
+      "type": "array",
+      "description": "User-defined tags for organization and searchability",
+      "items": {
+        "type": "string"
+      }
+    },
+    "approved": {
+      "type": "boolean",
+      "description": "For generative creatives: set to true to approve and finalize, false to request regeneration with updated assets/message. Omit for non-generative creatives."
+    },
+    "weight": {
+      "type": "number",
+      "description": "Optional delivery weight for creative rotation when uploading via create_media_buy or update_media_buy (0-100). If omitted, platform determines rotation. Only used during upload to media buy - not stored in creative library.",
+      "minimum": 0,
+      "maximum": 100
+    },
+    "placement_ids": {
+      "type": "array",
+      "description": "Optional array of placement IDs where this creative should run when uploading via create_media_buy or update_media_buy. References placement_id values from the product's placements array. If omitted, creative runs on all placements. Only used during upload to media buy - not stored in creative library.",
+      "items": {
+        "type": "string"
+      },
+      "minItems": 1
+    }
+  },
+  "required": [
+    "creative_id",
+    "name",
+    "format_id",
+    "assets"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/creative-assignment.json b/dist/schemas/2.5.2/core/creative-assignment.json
new file mode 100644
index 0000000000..4f21359c60
--- /dev/null
+++ b/dist/schemas/2.5.2/core/creative-assignment.json
@@ -0,0 +1,31 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/creative-assignment.json",
+  "title": "Creative Assignment",
+  "description": "Assignment of a creative asset to a package with optional placement targeting. Used in create_media_buy and update_media_buy requests. Note: sync_creatives does not support placement_ids - use create/update_media_buy for placement-level targeting.",
+  "type": "object",
+  "properties": {
+    "creative_id": {
+      "type": "string",
+      "description": "Unique identifier for the creative"
+    },
+    "weight": {
+      "type": "number",
+      "description": "Delivery weight for this creative",
+      "minimum": 0,
+      "maximum": 100
+    },
+    "placement_ids": {
+      "type": "array",
+      "description": "Optional array of placement IDs where this creative should run. When omitted, the creative runs on all placements in the package. References placement_id values from the product's placements array.",
+      "items": {
+        "type": "string"
+      },
+      "minItems": 1
+    }
+  },
+  "required": [
+    "creative_id"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/creative-filters.json b/dist/schemas/2.5.2/core/creative-filters.json
new file mode 100644
index 0000000000..9ccfaa0302
--- /dev/null
+++ b/dist/schemas/2.5.2/core/creative-filters.json
@@ -0,0 +1,111 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/creative-filters.json",
+  "title": "Creative Filters",
+  "description": "Filter criteria for querying creative assets from the centralized library",
+  "type": "object",
+  "properties": {
+    "format": {
+      "type": "string",
+      "description": "Filter by creative format type (e.g., video, audio, display)"
+    },
+    "formats": {
+      "type": "array",
+      "description": "Filter by multiple creative format types",
+      "items": {
+        "type": "string"
+      }
+    },
+    "status": {
+      "$ref": "/schemas/2.5.2/enums/creative-status.json",
+      "description": "Filter by creative approval status"
+    },
+    "statuses": {
+      "type": "array",
+      "description": "Filter by multiple creative statuses",
+      "items": {
+        "$ref": "/schemas/2.5.2/enums/creative-status.json"
+      }
+    },
+    "tags": {
+      "type": "array",
+      "description": "Filter by creative tags (all tags must match)",
+      "items": {
+        "type": "string"
+      }
+    },
+    "tags_any": {
+      "type": "array",
+      "description": "Filter by creative tags (any tag must match)",
+      "items": {
+        "type": "string"
+      }
+    },
+    "name_contains": {
+      "type": "string",
+      "description": "Filter by creative names containing this text (case-insensitive)"
+    },
+    "creative_ids": {
+      "type": "array",
+      "description": "Filter by specific creative IDs",
+      "items": {
+        "type": "string"
+      },
+      "maxItems": 100
+    },
+    "created_after": {
+      "type": "string",
+      "format": "date-time",
+      "description": "Filter creatives created after this date (ISO 8601)"
+    },
+    "created_before": {
+      "type": "string",
+      "format": "date-time",
+      "description": "Filter creatives created before this date (ISO 8601)"
+    },
+    "updated_after": {
+      "type": "string",
+      "format": "date-time",
+      "description": "Filter creatives last updated after this date (ISO 8601)"
+    },
+    "updated_before": {
+      "type": "string",
+      "format": "date-time",
+      "description": "Filter creatives last updated before this date (ISO 8601)"
+    },
+    "assigned_to_package": {
+      "type": "string",
+      "description": "Filter creatives assigned to this specific package"
+    },
+    "assigned_to_packages": {
+      "type": "array",
+      "description": "Filter creatives assigned to any of these packages",
+      "items": {
+        "type": "string"
+      }
+    },
+    "media_buy_ids": {
+      "type": "array",
+      "description": "Filter creatives assigned to any of these media buys",
+      "items": {
+        "type": "string"
+      }
+    },
+    "buyer_refs": {
+      "type": "array",
+      "description": "Filter creatives assigned to media buys with any of these buyer references",
+      "items": {
+        "type": "string"
+      }
+    },
+    "unassigned": {
+      "type": "boolean",
+      "description": "Filter for unassigned creatives when true, assigned creatives when false"
+    },
+    "has_performance_data": {
+      "type": "boolean",
+      "description": "Filter creatives that have performance data when true"
+    }
+  },
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/creative-manifest.json b/dist/schemas/2.5.2/core/creative-manifest.json
new file mode 100644
index 0000000000..b5650a95de
--- /dev/null
+++ b/dist/schemas/2.5.2/core/creative-manifest.json
@@ -0,0 +1,72 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/creative-manifest.json",
+  "title": "Creative Manifest",
+  "description": "Complete specification of a creative with all assets needed for rendering in a specific format. Each asset is typed according to its asset_role from the format specification and contains the actual content/URL that fulfills the format requirements.",
+  "type": "object",
+  "properties": {
+    "format_id": {
+      "$ref": "/schemas/2.5.2/core/format-id.json",
+      "description": "Format identifier this manifest is for. Can be a template format (id only) or a deterministic format (id + dimensions/duration). For dimension-specific creatives, include width/height/unit in the format_id to create a unique identifier (e.g., {id: 'display_static', width: 300, height: 250, unit: 'px'})."
+    },
+    "promoted_offering": {
+      "type": "string",
+      "description": "Product name or offering being advertised. Maps to promoted_offerings in create_media_buy request to associate creative with the product being promoted."
+    },
+    "assets": {
+      "type": "object",
+      "description": "Map of asset IDs to actual asset content. Each key MUST match an asset_id from the format's assets_required array (e.g., 'banner_image', 'clickthrough_url', 'video_file', 'vast_tag'). The asset_id is the technical identifier used to match assets to format requirements.\n\nIMPORTANT: Creative manifest validation MUST be performed in the context of the format specification. The format defines what type each asset_id should be, which eliminates any validation ambiguity.",
+      "patternProperties": {
+        "^[a-z0-9_]+$": {
+          "oneOf": [
+            {
+              "$ref": "/schemas/2.5.2/core/assets/image-asset.json"
+            },
+            {
+              "$ref": "/schemas/2.5.2/core/assets/video-asset.json"
+            },
+            {
+              "$ref": "/schemas/2.5.2/core/assets/audio-asset.json"
+            },
+            {
+              "$ref": "/schemas/2.5.2/core/assets/vast-asset.json"
+            },
+            {
+              "$ref": "/schemas/2.5.2/core/assets/text-asset.json"
+            },
+            {
+              "$ref": "/schemas/2.5.2/core/assets/url-asset.json"
+            },
+            {
+              "$ref": "/schemas/2.5.2/core/assets/html-asset.json"
+            },
+            {
+              "$ref": "/schemas/2.5.2/core/assets/javascript-asset.json"
+            },
+            {
+              "$ref": "/schemas/2.5.2/core/assets/webhook-asset.json"
+            },
+            {
+              "$ref": "/schemas/2.5.2/core/assets/css-asset.json"
+            },
+            {
+              "$ref": "/schemas/2.5.2/core/assets/daast-asset.json"
+            },
+            {
+              "$ref": "/schemas/2.5.2/core/promoted-offerings.json"
+            }
+          ]
+        }
+      },
+      "additionalProperties": true
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "required": [
+    "format_id",
+    "assets"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/creative-policy.json b/dist/schemas/2.5.2/core/creative-policy.json
new file mode 100644
index 0000000000..576ec9340d
--- /dev/null
+++ b/dist/schemas/2.5.2/core/creative-policy.json
@@ -0,0 +1,27 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/creative-policy.json",
+  "title": "Creative Policy",
+  "description": "Creative requirements and restrictions for a product",
+  "type": "object",
+  "properties": {
+    "co_branding": {
+      "$ref": "/schemas/2.5.2/enums/co-branding-requirement.json",
+      "description": "Co-branding requirement"
+    },
+    "landing_page": {
+      "$ref": "/schemas/2.5.2/enums/landing-page-requirement.json",
+      "description": "Landing page requirements"
+    },
+    "templates_available": {
+      "type": "boolean",
+      "description": "Whether creative templates are provided"
+    }
+  },
+  "required": [
+    "co_branding",
+    "landing_page",
+    "templates_available"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/delivery-metrics.json b/dist/schemas/2.5.2/core/delivery-metrics.json
new file mode 100644
index 0000000000..4971e5a713
--- /dev/null
+++ b/dist/schemas/2.5.2/core/delivery-metrics.json
@@ -0,0 +1,171 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/delivery-metrics.json",
+  "title": "Delivery Metrics",
+  "description": "Standard delivery metrics that can be reported at media buy, package, or creative level",
+  "type": "object",
+  "properties": {
+    "impressions": {
+      "type": "number",
+      "description": "Impressions delivered",
+      "minimum": 0
+    },
+    "spend": {
+      "type": "number",
+      "description": "Amount spent",
+      "minimum": 0
+    },
+    "clicks": {
+      "type": "number",
+      "description": "Total clicks",
+      "minimum": 0
+    },
+    "ctr": {
+      "type": "number",
+      "description": "Click-through rate (clicks/impressions)",
+      "minimum": 0,
+      "maximum": 1
+    },
+    "views": {
+      "type": "number",
+      "description": "Views at threshold (for CPV)",
+      "minimum": 0
+    },
+    "completed_views": {
+      "type": "number",
+      "description": "100% completions (for CPCV)",
+      "minimum": 0
+    },
+    "completion_rate": {
+      "type": "number",
+      "description": "Completion rate (completed_views/impressions)",
+      "minimum": 0,
+      "maximum": 1
+    },
+    "conversions": {
+      "type": "number",
+      "description": "Conversions (reserved for future CPA pricing support)",
+      "minimum": 0
+    },
+    "leads": {
+      "type": "number",
+      "description": "Leads generated (reserved for future CPL pricing support)",
+      "minimum": 0
+    },
+    "grps": {
+      "type": "number",
+      "description": "Gross Rating Points delivered (for CPP)",
+      "minimum": 0
+    },
+    "reach": {
+      "type": "number",
+      "description": "Unique reach - units depend on measurement provider (e.g., individuals, households, devices, cookies). See delivery_measurement.provider for methodology.",
+      "minimum": 0
+    },
+    "frequency": {
+      "type": "number",
+      "description": "Average frequency per individual (typically measured over campaign duration, but can vary by measurement provider)",
+      "minimum": 0
+    },
+    "quartile_data": {
+      "type": "object",
+      "description": "Video quartile completion data",
+      "properties": {
+        "q1_views": {
+          "type": "number",
+          "description": "25% completion views",
+          "minimum": 0
+        },
+        "q2_views": {
+          "type": "number",
+          "description": "50% completion views",
+          "minimum": 0
+        },
+        "q3_views": {
+          "type": "number",
+          "description": "75% completion views",
+          "minimum": 0
+        },
+        "q4_views": {
+          "type": "number",
+          "description": "100% completion views",
+          "minimum": 0
+        }
+      }
+    },
+    "dooh_metrics": {
+      "type": "object",
+      "description": "DOOH-specific metrics (only included for DOOH campaigns)",
+      "properties": {
+        "loop_plays": {
+          "type": "integer",
+          "description": "Number of times ad played in rotation",
+          "minimum": 0
+        },
+        "screens_used": {
+          "type": "integer",
+          "description": "Number of unique screens displaying the ad",
+          "minimum": 0
+        },
+        "screen_time_seconds": {
+          "type": "integer",
+          "description": "Total display time in seconds",
+          "minimum": 0
+        },
+        "sov_achieved": {
+          "type": "number",
+          "description": "Actual share of voice delivered (0.0 to 1.0)",
+          "minimum": 0,
+          "maximum": 1
+        },
+        "calculation_notes": {
+          "type": "string",
+          "description": "Explanation of how DOOH impressions were calculated"
+        },
+        "venue_breakdown": {
+          "type": "array",
+          "description": "Per-venue performance breakdown",
+          "items": {
+            "type": "object",
+            "properties": {
+              "venue_id": {
+                "type": "string",
+                "description": "Venue identifier"
+              },
+              "venue_name": {
+                "type": "string",
+                "description": "Human-readable venue name"
+              },
+              "venue_type": {
+                "type": "string",
+                "description": "Venue type (e.g., 'airport', 'transit', 'retail', 'billboard')"
+              },
+              "impressions": {
+                "type": "integer",
+                "description": "Impressions delivered at this venue",
+                "minimum": 0
+              },
+              "loop_plays": {
+                "type": "integer",
+                "description": "Loop plays at this venue",
+                "minimum": 0
+              },
+              "screens_used": {
+                "type": "integer",
+                "description": "Number of screens used at this venue",
+                "minimum": 0
+              }
+            },
+            "required": [
+              "venue_id",
+              "impressions"
+            ],
+            "additionalProperties": true
+          }
+        }
+      },
+      "additionalProperties": true
+    }
+  },
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/deployment.json b/dist/schemas/2.5.2/core/deployment.json
new file mode 100644
index 0000000000..88753b0bba
--- /dev/null
+++ b/dist/schemas/2.5.2/core/deployment.json
@@ -0,0 +1,93 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/deployment.json",
+  "title": "Deployment",
+  "description": "A signal deployment to a specific deployment target with activation status and key",
+  "oneOf": [
+    {
+      "type": "object",
+      "properties": {
+        "type": {
+          "type": "string",
+          "const": "platform",
+          "description": "Discriminator indicating this is a platform-based deployment"
+        },
+        "platform": {
+          "type": "string",
+          "description": "Platform identifier for DSPs"
+        },
+        "account": {
+          "type": "string",
+          "description": "Account identifier if applicable"
+        },
+        "is_live": {
+          "type": "boolean",
+          "description": "Whether signal is currently active on this deployment"
+        },
+        "activation_key": {
+          "$ref": "/schemas/2.5.2/core/activation-key.json",
+          "description": "The key to use for targeting. Only present if is_live=true AND requester has access to this deployment."
+        },
+        "estimated_activation_duration_minutes": {
+          "type": "number",
+          "description": "Estimated time to activate if not live, or to complete activation if in progress",
+          "minimum": 0
+        },
+        "deployed_at": {
+          "type": "string",
+          "format": "date-time",
+          "description": "Timestamp when activation completed (if is_live=true)"
+        }
+      },
+      "required": [
+        "type",
+        "platform",
+        "is_live"
+      ],
+      "additionalProperties": true
+    },
+    {
+      "type": "object",
+      "properties": {
+        "type": {
+          "type": "string",
+          "const": "agent",
+          "description": "Discriminator indicating this is an agent URL-based deployment"
+        },
+        "agent_url": {
+          "type": "string",
+          "format": "uri",
+          "description": "URL identifying the deployment agent"
+        },
+        "account": {
+          "type": "string",
+          "description": "Account identifier if applicable"
+        },
+        "is_live": {
+          "type": "boolean",
+          "description": "Whether signal is currently active on this deployment"
+        },
+        "activation_key": {
+          "$ref": "/schemas/2.5.2/core/activation-key.json",
+          "description": "The key to use for targeting. Only present if is_live=true AND requester has access to this deployment."
+        },
+        "estimated_activation_duration_minutes": {
+          "type": "number",
+          "description": "Estimated time to activate if not live, or to complete activation if in progress",
+          "minimum": 0
+        },
+        "deployed_at": {
+          "type": "string",
+          "format": "date-time",
+          "description": "Timestamp when activation completed (if is_live=true)"
+        }
+      },
+      "required": [
+        "type",
+        "agent_url",
+        "is_live"
+      ],
+      "additionalProperties": true
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/core/destination.json b/dist/schemas/2.5.2/core/destination.json
new file mode 100644
index 0000000000..c593762049
--- /dev/null
+++ b/dist/schemas/2.5.2/core/destination.json
@@ -0,0 +1,53 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/destination.json",
+  "title": "Destination",
+  "description": "A deployment target where signals can be activated (DSP, sales agent, etc.)",
+  "oneOf": [
+    {
+      "type": "object",
+      "properties": {
+        "type": {
+          "const": "platform",
+          "description": "Discriminator indicating this is a platform-based deployment"
+        },
+        "platform": {
+          "type": "string",
+          "description": "Platform identifier for DSPs (e.g., 'the-trade-desk', 'amazon-dsp')"
+        },
+        "account": {
+          "type": "string",
+          "description": "Optional account identifier on the platform"
+        }
+      },
+      "required": [
+        "type",
+        "platform"
+      ],
+      "additionalProperties": true
+    },
+    {
+      "type": "object",
+      "properties": {
+        "type": {
+          "const": "agent",
+          "description": "Discriminator indicating this is an agent URL-based deployment"
+        },
+        "agent_url": {
+          "type": "string",
+          "format": "uri",
+          "description": "URL identifying the deployment agent (for sales agents, etc.)"
+        },
+        "account": {
+          "type": "string",
+          "description": "Optional account identifier on the agent"
+        }
+      },
+      "required": [
+        "type",
+        "agent_url"
+      ],
+      "additionalProperties": true
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/core/error.json b/dist/schemas/2.5.2/core/error.json
new file mode 100644
index 0000000000..4f1330ff6b
--- /dev/null
+++ b/dist/schemas/2.5.2/core/error.json
@@ -0,0 +1,40 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/error.json",
+  "title": "Error",
+  "description": "Standard error structure for task-specific errors and warnings",
+  "type": "object",
+  "properties": {
+    "code": {
+      "type": "string",
+      "description": "Error code for programmatic handling"
+    },
+    "message": {
+      "type": "string",
+      "description": "Human-readable error message"
+    },
+    "field": {
+      "type": "string",
+      "description": "Field path associated with the error (e.g., 'packages[0].targeting')"
+    },
+    "suggestion": {
+      "type": "string",
+      "description": "Suggested fix for the error"
+    },
+    "retry_after": {
+      "type": "number",
+      "description": "Seconds to wait before retrying the operation",
+      "minimum": 0
+    },
+    "details": {
+      "type": "object",
+      "description": "Additional task-specific error details",
+      "additionalProperties": true
+    }
+  },
+  "required": [
+    "code",
+    "message"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/ext.json b/dist/schemas/2.5.2/core/ext.json
new file mode 100644
index 0000000000..fb28b27f08
--- /dev/null
+++ b/dist/schemas/2.5.2/core/ext.json
@@ -0,0 +1,8 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/ext.json",
+  "title": "Extension Object",
+  "description": "Extension object for platform-specific, vendor-namespaced parameters. Extensions are always optional and must be namespaced under a vendor/platform key (e.g., ext.gam, ext.roku). Used for custom capabilities, partner-specific configuration, and features being proposed for standardization.",
+  "type": "object",
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/format-id.json b/dist/schemas/2.5.2/core/format-id.json
new file mode 100644
index 0000000000..a10a3fccbb
--- /dev/null
+++ b/dist/schemas/2.5.2/core/format-id.json
@@ -0,0 +1,47 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/format-id.json",
+  "title": "Format ID",
+  "description": "Structured format identifier with agent URL and format name. Can reference: (1) a concrete format with fixed dimensions (id only), (2) a template format without parameters (id only), or (3) a template format with parameters (id + dimensions/duration). Template formats accept parameters in format_id while concrete formats have fixed dimensions in their definition. Parameterized format IDs create unique, specific format variants.",
+  "type": "object",
+  "properties": {
+    "agent_url": {
+      "type": "string",
+      "format": "uri",
+      "description": "URL of the agent that defines this format (e.g., 'https://creatives.adcontextprotocol.org' for standard formats, or 'https://publisher.com/.well-known/adcp/sales' for custom formats)"
+    },
+    "id": {
+      "type": "string",
+      "pattern": "^[a-zA-Z0-9_-]+$",
+      "description": "Format identifier within the agent's namespace (e.g., 'display_static', 'video_hosted', 'audio_standard'). When used alone, references a template format. When combined with dimension/duration fields, creates a parameterized format ID for a specific variant."
+    },
+    "width": {
+      "type": "integer",
+      "minimum": 1,
+      "description": "Width in pixels for visual formats. When specified, height must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+    },
+    "height": {
+      "type": "integer",
+      "minimum": 1,
+      "description": "Height in pixels for visual formats. When specified, width must also be specified. Both fields together create a parameterized format ID for dimension-specific variants."
+    },
+    "duration_ms": {
+      "type": "number",
+      "minimum": 1,
+      "description": "Duration in milliseconds for time-based formats (video, audio). When specified, creates a parameterized format ID. Omit to reference a template format without parameters."
+    }
+  },
+  "required": [
+    "agent_url",
+    "id"
+  ],
+  "additionalProperties": true,
+  "dependencies": {
+    "width": [
+      "height"
+    ],
+    "height": [
+      "width"
+    ]
+  }
+}
diff --git a/dist/schemas/2.5.2/core/format.json b/dist/schemas/2.5.2/core/format.json
new file mode 100644
index 0000000000..c667943ccc
--- /dev/null
+++ b/dist/schemas/2.5.2/core/format.json
@@ -0,0 +1,324 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/format.json",
+  "title": "Format",
+  "description": "Represents a creative format with its requirements",
+  "type": "object",
+  "properties": {
+    "format_id": {
+      "$ref": "/schemas/2.5.2/core/format-id.json",
+      "description": "Structured format identifier with agent URL and format name"
+    },
+    "name": {
+      "type": "string",
+      "description": "Human-readable format name"
+    },
+    "description": {
+      "type": "string",
+      "description": "Plain text explanation of what this format does and what assets it requires"
+    },
+    "preview_image": {
+      "type": "string",
+      "format": "uri",
+      "description": "DEPRECATED: Use format_card instead. Optional preview image URL for format browsing/discovery UI. Should be 400x300px (4:3 aspect ratio) PNG or JPG. Used as thumbnail/card image in format browsers. This field is maintained for backward compatibility but format_card provides a more flexible, structured approach."
+    },
+    "example_url": {
+      "type": "string",
+      "format": "uri",
+      "description": "Optional URL to showcase page with examples and interactive demos of this format"
+    },
+    "type": {
+      "$ref": "/schemas/2.5.2/enums/format-category.json",
+      "description": "Media type of this format - determines rendering method and asset requirements"
+    },
+    "accepts_parameters": {
+      "type": "array",
+      "description": "List of parameters this format accepts in format_id. Template formats define which parameters (dimensions, duration, etc.) can be specified when instantiating the format. Empty or omitted means this is a concrete format with fixed parameters.",
+      "items": {
+        "$ref": "/schemas/2.5.2/enums/format-id-parameter.json"
+      },
+      "uniqueItems": true
+    },
+    "renders": {
+      "type": "array",
+      "description": "Specification of rendered pieces for this format. Most formats produce a single render. Companion ad formats (video + banner), adaptive formats, and multi-placement formats produce multiple renders. Each render specifies its role and dimensions.",
+      "items": {
+        "type": "object",
+        "properties": {
+          "role": {
+            "type": "string",
+            "description": "Semantic role of this rendered piece (e.g., 'primary', 'companion', 'mobile_variant')"
+          },
+          "parameters_from_format_id": {
+            "type": "boolean",
+            "description": "When true, parameters for this render (dimensions and/or duration) are specified in the format_id. Used for template formats that accept parameters. Mutually exclusive with specifying dimensions object explicitly."
+          },
+          "dimensions": {
+            "type": "object",
+            "description": "Dimensions for this rendered piece (in pixels)",
+            "properties": {
+              "width": {
+                "type": "integer",
+                "minimum": 1,
+                "description": "Fixed width in pixels"
+              },
+              "height": {
+                "type": "integer",
+                "minimum": 1,
+                "description": "Fixed height in pixels"
+              },
+              "min_width": {
+                "type": "integer",
+                "minimum": 1,
+                "description": "Minimum width in pixels for responsive renders"
+              },
+              "min_height": {
+                "type": "integer",
+                "minimum": 1,
+                "description": "Minimum height in pixels for responsive renders"
+              },
+              "max_width": {
+                "type": "integer",
+                "minimum": 1,
+                "description": "Maximum width in pixels for responsive renders"
+              },
+              "max_height": {
+                "type": "integer",
+                "minimum": 1,
+                "description": "Maximum height in pixels for responsive renders"
+              },
+              "responsive": {
+                "type": "object",
+                "description": "Indicates which dimensions are responsive/fluid",
+                "properties": {
+                  "width": {
+                    "type": "boolean"
+                  },
+                  "height": {
+                    "type": "boolean"
+                  }
+                },
+                "required": [
+                  "width",
+                  "height"
+                ]
+              },
+              "aspect_ratio": {
+                "type": "string",
+                "description": "Fixed aspect ratio constraint (e.g., '16:9', '4:3', '1:1')",
+                "pattern": "^\\d+:\\d+$"
+              }
+            }
+          }
+        },
+        "required": [
+          "role"
+        ],
+        "oneOf": [
+          {
+            "required": [
+              "dimensions"
+            ],
+            "not": {
+              "required": [
+                "parameters_from_format_id"
+              ]
+            }
+          },
+          {
+            "required": [
+              "parameters_from_format_id"
+            ],
+            "properties": {
+              "parameters_from_format_id": {
+                "const": true
+              }
+            },
+            "not": {
+              "required": [
+                "dimensions"
+              ]
+            }
+          }
+        ]
+      },
+      "minItems": 1
+    },
+    "assets_required": {
+      "type": "array",
+      "description": "Array of required assets or asset groups for this format. Each asset is identified by its asset_id, which must be used as the key in creative manifests. Can contain individual assets or repeatable asset sequences (e.g., carousel products, slideshow frames).",
+      "items": {
+        "oneOf": [
+          {
+            "description": "Individual asset requirement",
+            "type": "object",
+            "properties": {
+              "item_type": {
+                "type": "string",
+                "const": "individual",
+                "description": "Discriminator indicating this is an individual asset requirement"
+              },
+              "asset_id": {
+                "type": "string",
+                "description": "Unique identifier for this asset. Creative manifests MUST use this exact value as the key in the assets object."
+              },
+              "asset_type": {
+                "$ref": "/schemas/2.5.2/enums/asset-content-type.json",
+                "description": "Type of asset"
+              },
+              "asset_role": {
+                "type": "string",
+                "description": "Optional descriptive label for this asset's purpose (e.g., 'hero_image', 'logo'). Not used for referencing assets in manifests\u2014use asset_id instead. This field is for human-readable documentation and UI display only."
+              },
+              "required": {
+                "type": "boolean",
+                "description": "Whether this asset is required"
+              },
+              "requirements": {
+                "type": "object",
+                "description": "Technical requirements for this asset (dimensions, file size, duration, etc.). For template formats, use parameters_from_format_id: true to indicate asset parameters must match the format_id parameters (width/height/unit and/or duration_ms).",
+                "additionalProperties": true
+              }
+            },
+            "required": [
+              "item_type",
+              "asset_id",
+              "asset_type"
+            ]
+          },
+          {
+            "description": "Repeatable asset group (for carousels, slideshows, playlists, etc.)",
+            "type": "object",
+            "properties": {
+              "item_type": {
+                "type": "string",
+                "const": "repeatable_group",
+                "description": "Discriminator indicating this is a repeatable asset group"
+              },
+              "asset_group_id": {
+                "type": "string",
+                "description": "Identifier for this asset group (e.g., 'product', 'slide', 'card')"
+              },
+              "min_count": {
+                "type": "integer",
+                "description": "Minimum number of repetitions required",
+                "minimum": 1
+              },
+              "max_count": {
+                "type": "integer",
+                "description": "Maximum number of repetitions allowed",
+                "minimum": 1
+              },
+              "assets": {
+                "type": "array",
+                "description": "Assets within each repetition of this group",
+                "items": {
+                  "type": "object",
+                  "properties": {
+                    "asset_id": {
+                      "type": "string",
+                      "description": "Identifier for this asset within the group"
+                    },
+                    "asset_type": {
+                      "$ref": "/schemas/2.5.2/enums/asset-content-type.json",
+                      "description": "Type of asset"
+                    },
+                    "asset_role": {
+                      "type": "string",
+                      "description": "Optional descriptive label for this asset's purpose (e.g., 'hero_image', 'logo'). Not used for referencing assets in manifests\u2014use asset_id instead. This field is for human-readable documentation and UI display only."
+                    },
+                    "required": {
+                      "type": "boolean",
+                      "description": "Whether this asset is required in each repetition"
+                    },
+                    "requirements": {
+                      "type": "object",
+                      "description": "Technical requirements for this asset. For template formats, use parameters_from_format_id: true to indicate asset parameters must match the format_id parameters (width/height/unit and/or duration_ms).",
+                      "additionalProperties": true
+                    }
+                  },
+                  "required": [
+                    "asset_id",
+                    "asset_type"
+                  ]
+                }
+              }
+            },
+            "required": [
+              "item_type",
+              "asset_group_id",
+              "min_count",
+              "max_count",
+              "assets"
+            ]
+          }
+        ]
+      }
+    },
+    "delivery": {
+      "type": "object",
+      "description": "Delivery method specifications (e.g., hosted, VAST, third-party tags)",
+      "additionalProperties": true
+    },
+    "supported_macros": {
+      "type": "array",
+      "description": "List of universal macros supported by this format (e.g., MEDIA_BUY_ID, CACHEBUSTER, DEVICE_ID). Used for validation and developer tooling.",
+      "items": {
+        "type": "string"
+      }
+    },
+    "output_format_ids": {
+      "type": "array",
+      "description": "For generative formats: array of format IDs that this format can generate. When a format accepts inputs like brand_manifest and message, this specifies what concrete output formats can be produced (e.g., a generative banner format might output standard image banner formats).",
+      "items": {
+        "$ref": "/schemas/2.5.2/core/format-id.json"
+      }
+    },
+    "format_card": {
+      "type": "object",
+      "description": "Optional standard visual card (300x400px) for displaying this format in user interfaces. Can be rendered via preview_creative or pre-generated.",
+      "properties": {
+        "format_id": {
+          "$ref": "/schemas/2.5.2/core/format-id.json",
+          "description": "Creative format defining the card layout (typically format_card_standard)"
+        },
+        "manifest": {
+          "type": "object",
+          "description": "Asset manifest for rendering the card, structure defined by the format",
+          "additionalProperties": true
+        }
+      },
+      "required": [
+        "format_id",
+        "manifest"
+      ],
+      "additionalProperties": true
+    },
+    "format_card_detailed": {
+      "type": "object",
+      "description": "Optional detailed card with carousel and full specifications. Provides rich format documentation similar to ad spec pages.",
+      "properties": {
+        "format_id": {
+          "$ref": "/schemas/2.5.2/core/format-id.json",
+          "description": "Creative format defining the detailed card layout (typically format_card_detailed)"
+        },
+        "manifest": {
+          "type": "object",
+          "description": "Asset manifest for rendering the detailed card, structure defined by the format",
+          "additionalProperties": true
+        }
+      },
+      "required": [
+        "format_id",
+        "manifest"
+      ],
+      "additionalProperties": true
+    }
+  },
+  "required": [
+    "format_id",
+    "name",
+    "type"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/frequency-cap.json b/dist/schemas/2.5.2/core/frequency-cap.json
new file mode 100644
index 0000000000..733cbd3ad2
--- /dev/null
+++ b/dist/schemas/2.5.2/core/frequency-cap.json
@@ -0,0 +1,18 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/frequency-cap.json",
+  "title": "Frequency Cap",
+  "description": "Frequency capping settings for package-level application",
+  "type": "object",
+  "properties": {
+    "suppress_minutes": {
+      "type": "number",
+      "description": "Minutes to suppress after impression",
+      "minimum": 0
+    }
+  },
+  "required": [
+    "suppress_minutes"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/mcp-webhook-payload.json b/dist/schemas/2.5.2/core/mcp-webhook-payload.json
new file mode 100644
index 0000000000..7c19ed22af
--- /dev/null
+++ b/dist/schemas/2.5.2/core/mcp-webhook-payload.json
@@ -0,0 +1,152 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/mcp-webhook-payload.json",
+  "title": "MCP Webhook Payload",
+  "description": "Standard envelope for HTTP-based push notifications (MCP). This defines the wire format sent to the URL configured in `pushNotificationConfig`. NOTE: This envelope is NOT used in A2A integration, which uses native Task/TaskStatusUpdateEvent messages with the AdCP payload nested in `status.message.parts[].data`.",
+  "type": "object",
+  "properties": {
+    "operation_id": {
+      "type": "string",
+      "description": "Publisher-defined operation identifier correlating a sequence of task updates across webhooks."
+    },
+    "task_id": {
+      "type": "string",
+      "description": "Unique identifier for this task. Use this to correlate webhook notifications with the original task submission."
+    },
+    "task_type": {
+      "$ref": "/schemas/2.5.2/enums/task-type.json",
+      "description": "Type of AdCP operation that triggered this webhook. Enables webhook handlers to route to appropriate processing logic."
+    },
+    "domain": {
+      "$ref": "/schemas/2.5.2/enums/adcp-domain.json",
+      "description": "AdCP domain this task belongs to. Helps classify the operation type at a high level."
+    },
+    "status": {
+      "$ref": "/schemas/2.5.2/enums/task-status.json",
+      "description": "Current task status. Webhooks are triggered for status changes after initial submission."
+    },
+    "timestamp": {
+      "type": "string",
+      "format": "date-time",
+      "description": "ISO 8601 timestamp when this webhook was generated."
+    },
+    "message": {
+      "type": "string",
+      "description": "Human-readable summary of the current task state. Provides context about what happened and what action may be needed."
+    },
+    "context_id": {
+      "type": "string",
+      "description": "Session/conversation identifier. Use this to continue the conversation if input-required status needs clarification or additional parameters."
+    },
+    "result": {
+      "$ref": "/schemas/2.5.2/core/async-response-data.json",
+      "description": "Task-specific payload matching the status. For completed/failed, contains the full task response. For working/input-required/submitted, contains status-specific data. This is the data layer that AdCP specs - same structure used in A2A status.message.parts[].data."
+    }
+  },
+  "required": [
+    "task_id",
+    "task_type",
+    "status",
+    "timestamp"
+  ],
+  "additionalProperties": true,
+  "examples": [
+    {
+      "description": "Webhook for input-required status (human approval needed)",
+      "data": {
+        "operation_id": "op_456",
+        "task_id": "task_456",
+        "task_type": "create_media_buy",
+        "domain": "media-buy",
+        "status": "input-required",
+        "timestamp": "2025-01-22T10:15:00Z",
+        "context_id": "ctx_abc123",
+        "message": "Campaign budget $150K requires VP approval to proceed",
+        "result": {
+          "reason": "BUDGET_EXCEEDS_LIMIT",
+          "errors": [
+            {
+              "code": "APPROVAL_REQUIRED",
+              "message": "Budget exceeds auto-approval threshold",
+              "field": "total_budget"
+            }
+          ]
+        }
+      }
+    },
+    {
+      "description": "Webhook for completed create_media_buy",
+      "data": {
+        "operation_id": "op_456",
+        "task_id": "task_456",
+        "task_type": "create_media_buy",
+        "domain": "media-buy",
+        "status": "completed",
+        "timestamp": "2025-01-22T10:30:00Z",
+        "message": "Media buy created successfully with 2 packages ready for creative assignment",
+        "result": {
+          "media_buy_id": "mb_12345",
+          "buyer_ref": "nike_q1_campaign_2024",
+          "creative_deadline": "2024-01-30T23:59:59Z",
+          "packages": [
+            {
+              "package_id": "pkg_12345_001",
+              "buyer_ref": "nike_ctv_package",
+              "product_id": "ctv_sports_premium",
+              "budget": 60000,
+              "pacing": "even",
+              "pricing_option_id": "cpm-fixed-sports",
+              "paused": false,
+              "creative_assignments": [],
+              "format_ids_to_provide": [
+                {
+                  "agent_url": "https://creative.adcontextprotocol.org",
+                  "id": "video_standard_30s"
+                }
+              ]
+            }
+          ]
+        }
+      }
+    },
+    {
+      "description": "Webhook for working status with progress",
+      "data": {
+        "operation_id": "op_456",
+        "task_id": "task_456",
+        "task_type": "create_media_buy",
+        "domain": "media-buy",
+        "status": "working",
+        "timestamp": "2025-01-22T10:20:00Z",
+        "message": "Validating inventory availability...",
+        "result": {
+          "percentage": 50,
+          "current_step": "inventory_validation",
+          "step_number": 2,
+          "total_steps": 4
+        }
+      }
+    },
+    {
+      "description": "Webhook for failed sync_creatives",
+      "data": {
+        "operation_id": "op_789",
+        "task_id": "task_789",
+        "task_type": "sync_creatives",
+        "domain": "media-buy",
+        "status": "failed",
+        "timestamp": "2025-01-22T10:46:00Z",
+        "message": "Creative sync failed due to invalid asset URLs",
+        "result": {
+          "errors": [
+            {
+              "code": "INVALID_ASSET_URL",
+              "message": "One or more creative assets could not be accessed",
+              "field": "creatives[0].asset_url"
+            }
+          ]
+        }
+      }
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/core/measurement.json b/dist/schemas/2.5.2/core/measurement.json
new file mode 100644
index 0000000000..48b25baf6e
--- /dev/null
+++ b/dist/schemas/2.5.2/core/measurement.json
@@ -0,0 +1,48 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/measurement.json",
+  "title": "Measurement",
+  "description": "Measurement capabilities included with a product",
+  "type": "object",
+  "properties": {
+    "type": {
+      "type": "string",
+      "description": "Type of measurement",
+      "examples": [
+        "incremental_sales_lift",
+        "brand_lift",
+        "foot_traffic"
+      ]
+    },
+    "attribution": {
+      "type": "string",
+      "description": "Attribution methodology",
+      "examples": [
+        "deterministic_purchase",
+        "probabilistic"
+      ]
+    },
+    "window": {
+      "type": "string",
+      "description": "Attribution window",
+      "examples": [
+        "30_days",
+        "7_days"
+      ]
+    },
+    "reporting": {
+      "type": "string",
+      "description": "Reporting frequency and format",
+      "examples": [
+        "weekly_dashboard",
+        "real_time_api"
+      ]
+    }
+  },
+  "required": [
+    "type",
+    "attribution",
+    "reporting"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/media-buy.json b/dist/schemas/2.5.2/core/media-buy.json
new file mode 100644
index 0000000000..ce3b0951f6
--- /dev/null
+++ b/dist/schemas/2.5.2/core/media-buy.json
@@ -0,0 +1,62 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/media-buy.json",
+  "title": "Media Buy",
+  "description": "Represents a purchased advertising campaign",
+  "type": "object",
+  "properties": {
+    "media_buy_id": {
+      "type": "string",
+      "description": "Publisher's unique identifier for the media buy"
+    },
+    "buyer_ref": {
+      "type": "string",
+      "description": "Buyer's reference identifier for this media buy"
+    },
+    "status": {
+      "$ref": "/schemas/2.5.2/enums/media-buy-status.json"
+    },
+    "promoted_offering": {
+      "type": "string",
+      "description": "Description of advertiser and what is being promoted"
+    },
+    "total_budget": {
+      "type": "number",
+      "description": "Total budget amount",
+      "minimum": 0
+    },
+    "packages": {
+      "type": "array",
+      "description": "Array of packages within this media buy",
+      "items": {
+        "$ref": "/schemas/2.5.2/core/package.json"
+      }
+    },
+    "creative_deadline": {
+      "type": "string",
+      "format": "date-time",
+      "description": "ISO 8601 timestamp for creative upload deadline"
+    },
+    "created_at": {
+      "type": "string",
+      "format": "date-time",
+      "description": "Creation timestamp"
+    },
+    "updated_at": {
+      "type": "string",
+      "format": "date-time",
+      "description": "Last update timestamp"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "required": [
+    "media_buy_id",
+    "status",
+    "promoted_offering",
+    "total_budget",
+    "packages"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/package.json b/dist/schemas/2.5.2/core/package.json
new file mode 100644
index 0000000000..a1212be1f1
--- /dev/null
+++ b/dist/schemas/2.5.2/core/package.json
@@ -0,0 +1,72 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/package.json",
+  "title": "Package",
+  "description": "A specific product within a media buy (line item)",
+  "type": "object",
+  "properties": {
+    "package_id": {
+      "type": "string",
+      "description": "Publisher's unique identifier for the package"
+    },
+    "buyer_ref": {
+      "type": "string",
+      "description": "Buyer's reference identifier for this package"
+    },
+    "product_id": {
+      "type": "string",
+      "description": "ID of the product this package is based on"
+    },
+    "budget": {
+      "type": "number",
+      "description": "Budget allocation for this package in the currency specified by the pricing option",
+      "minimum": 0
+    },
+    "pacing": {
+      "$ref": "/schemas/2.5.2/enums/pacing.json"
+    },
+    "pricing_option_id": {
+      "type": "string",
+      "description": "ID of the selected pricing option from the product's pricing_options array"
+    },
+    "bid_price": {
+      "type": "number",
+      "description": "Bid price for auction-based CPM pricing (present if using cpm-auction-option)",
+      "minimum": 0
+    },
+    "impressions": {
+      "type": "number",
+      "description": "Impression goal for this package",
+      "minimum": 0
+    },
+    "targeting_overlay": {
+      "$ref": "/schemas/2.5.2/core/targeting.json"
+    },
+    "creative_assignments": {
+      "type": "array",
+      "description": "Creative assets assigned to this package",
+      "items": {
+        "$ref": "/schemas/2.5.2/core/creative-assignment.json"
+      }
+    },
+    "format_ids_to_provide": {
+      "type": "array",
+      "description": "Format IDs that creative assets will be provided for this package",
+      "items": {
+        "$ref": "/schemas/2.5.2/core/format-id.json"
+      }
+    },
+    "paused": {
+      "type": "boolean",
+      "description": "Whether this package is paused by the buyer. Paused packages do not deliver impressions. Defaults to false.",
+      "default": false
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "required": [
+    "package_id"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/performance-feedback.json b/dist/schemas/2.5.2/core/performance-feedback.json
new file mode 100644
index 0000000000..db15868a1a
--- /dev/null
+++ b/dist/schemas/2.5.2/core/performance-feedback.json
@@ -0,0 +1,90 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/performance-feedback.json",
+  "title": "Performance Feedback",
+  "description": "Represents performance feedback data for a media buy or package",
+  "type": "object",
+  "properties": {
+    "feedback_id": {
+      "type": "string",
+      "description": "Unique identifier for this performance feedback submission"
+    },
+    "media_buy_id": {
+      "type": "string",
+      "description": "Publisher's media buy identifier"
+    },
+    "package_id": {
+      "type": "string",
+      "description": "Specific package within the media buy (if feedback is package-specific)"
+    },
+    "creative_id": {
+      "type": "string",
+      "description": "Specific creative asset (if feedback is creative-specific)"
+    },
+    "measurement_period": {
+      "type": "object",
+      "description": "Time period for performance measurement",
+      "properties": {
+        "start": {
+          "type": "string",
+          "format": "date-time",
+          "description": "ISO 8601 start timestamp for measurement period"
+        },
+        "end": {
+          "type": "string",
+          "format": "date-time",
+          "description": "ISO 8601 end timestamp for measurement period"
+        }
+      },
+      "required": [
+        "start",
+        "end"
+      ],
+      "additionalProperties": true
+    },
+    "performance_index": {
+      "type": "number",
+      "description": "Normalized performance score (0.0 = no value, 1.0 = expected, >1.0 = above expected)",
+      "minimum": 0
+    },
+    "metric_type": {
+      "$ref": "/schemas/2.5.2/enums/metric-type.json",
+      "description": "The business metric being measured"
+    },
+    "feedback_source": {
+      "$ref": "/schemas/2.5.2/enums/feedback-source.json",
+      "description": "Source of the performance data"
+    },
+    "status": {
+      "type": "string",
+      "description": "Processing status of the performance feedback",
+      "enum": [
+        "accepted",
+        "queued",
+        "applied",
+        "rejected"
+      ]
+    },
+    "submitted_at": {
+      "type": "string",
+      "format": "date-time",
+      "description": "ISO 8601 timestamp when feedback was submitted"
+    },
+    "applied_at": {
+      "type": "string",
+      "format": "date-time",
+      "description": "ISO 8601 timestamp when feedback was applied to optimization algorithms"
+    }
+  },
+  "required": [
+    "feedback_id",
+    "media_buy_id",
+    "measurement_period",
+    "performance_index",
+    "metric_type",
+    "feedback_source",
+    "status",
+    "submitted_at"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/placement.json b/dist/schemas/2.5.2/core/placement.json
new file mode 100644
index 0000000000..34b0d07ae9
--- /dev/null
+++ b/dist/schemas/2.5.2/core/placement.json
@@ -0,0 +1,34 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/placement.json",
+  "title": "Placement",
+  "description": "Represents a specific ad placement within a product's inventory",
+  "type": "object",
+  "properties": {
+    "placement_id": {
+      "type": "string",
+      "description": "Unique identifier for the placement within the product"
+    },
+    "name": {
+      "type": "string",
+      "description": "Human-readable name for the placement (e.g., 'Homepage Banner', 'Article Sidebar')"
+    },
+    "description": {
+      "type": "string",
+      "description": "Detailed description of where and how the placement appears"
+    },
+    "format_ids": {
+      "type": "array",
+      "description": "Format IDs supported by this specific placement. Can include: (1) concrete format_ids (fixed dimensions), (2) template format_ids without parameters (accepts any dimensions/duration), or (3) parameterized format_ids (specific dimension/duration constraints).",
+      "items": {
+        "$ref": "/schemas/2.5.2/core/format-id.json"
+      },
+      "minItems": 1
+    }
+  },
+  "required": [
+    "placement_id",
+    "name"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/pricing-option.json b/dist/schemas/2.5.2/core/pricing-option.json
new file mode 100644
index 0000000000..c10498d61c
--- /dev/null
+++ b/dist/schemas/2.5.2/core/pricing-option.json
@@ -0,0 +1,35 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/pricing-option.json",
+  "title": "Pricing Option",
+  "description": "A pricing model option offered by a publisher for a product. Each pricing model has its own schema with model-specific requirements.",
+  "oneOf": [
+    {
+      "$ref": "/schemas/2.5.2/pricing-options/cpm-fixed-option.json"
+    },
+    {
+      "$ref": "/schemas/2.5.2/pricing-options/cpm-auction-option.json"
+    },
+    {
+      "$ref": "/schemas/2.5.2/pricing-options/vcpm-fixed-option.json"
+    },
+    {
+      "$ref": "/schemas/2.5.2/pricing-options/vcpm-auction-option.json"
+    },
+    {
+      "$ref": "/schemas/2.5.2/pricing-options/cpc-option.json"
+    },
+    {
+      "$ref": "/schemas/2.5.2/pricing-options/cpcv-option.json"
+    },
+    {
+      "$ref": "/schemas/2.5.2/pricing-options/cpv-option.json"
+    },
+    {
+      "$ref": "/schemas/2.5.2/pricing-options/cpp-option.json"
+    },
+    {
+      "$ref": "/schemas/2.5.2/pricing-options/flat-rate-option.json"
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/core/product-filters.json b/dist/schemas/2.5.2/core/product-filters.json
new file mode 100644
index 0000000000..7afdb7443e
--- /dev/null
+++ b/dist/schemas/2.5.2/core/product-filters.json
@@ -0,0 +1,102 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/product-filters.json",
+  "title": "Product Filters",
+  "description": "Structured filters for product discovery",
+  "type": "object",
+  "properties": {
+    "delivery_type": {
+      "$ref": "/schemas/2.5.2/enums/delivery-type.json"
+    },
+    "is_fixed_price": {
+      "type": "boolean",
+      "description": "Filter for fixed price vs auction products"
+    },
+    "format_types": {
+      "type": "array",
+      "description": "Filter by format types",
+      "items": {
+        "$ref": "/schemas/2.5.2/enums/format-category.json"
+      }
+    },
+    "format_ids": {
+      "type": "array",
+      "description": "Filter by specific format IDs",
+      "items": {
+        "$ref": "/schemas/2.5.2/core/format-id.json"
+      }
+    },
+    "standard_formats_only": {
+      "type": "boolean",
+      "description": "Only return products accepting IAB standard formats"
+    },
+    "min_exposures": {
+      "type": "integer",
+      "description": "Minimum exposures/impressions needed for measurement validity",
+      "minimum": 1
+    },
+    "start_date": {
+      "type": "string",
+      "format": "date",
+      "description": "Campaign start date (ISO 8601 date format: YYYY-MM-DD) for availability checks"
+    },
+    "end_date": {
+      "type": "string",
+      "format": "date",
+      "description": "Campaign end date (ISO 8601 date format: YYYY-MM-DD) for availability checks"
+    },
+    "budget_range": {
+      "type": "object",
+      "description": "Budget range to filter appropriate products",
+      "properties": {
+        "min": {
+          "type": "number",
+          "description": "Minimum budget amount",
+          "minimum": 0
+        },
+        "max": {
+          "type": "number",
+          "description": "Maximum budget amount",
+          "minimum": 0
+        },
+        "currency": {
+          "type": "string",
+          "description": "ISO 4217 currency code (e.g., 'USD', 'EUR', 'GBP')",
+          "pattern": "^[A-Z]{3}$"
+        }
+      },
+      "required": [
+        "currency"
+      ],
+      "anyOf": [
+        {
+          "required": [
+            "min"
+          ]
+        },
+        {
+          "required": [
+            "max"
+          ]
+        }
+      ],
+      "additionalProperties": true
+    },
+    "countries": {
+      "type": "array",
+      "description": "Filter by target countries using ISO 3166-1 alpha-2 country codes (e.g., ['US', 'CA', 'GB'])",
+      "items": {
+        "type": "string",
+        "pattern": "^[A-Z]{2}$"
+      }
+    },
+    "channels": {
+      "type": "array",
+      "description": "Filter by advertising channels (e.g., ['display', 'video', 'dooh'])",
+      "items": {
+        "$ref": "/schemas/2.5.2/enums/channels.json"
+      }
+    }
+  },
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/product.json b/dist/schemas/2.5.2/core/product.json
new file mode 100644
index 0000000000..c8b2aa8e45
--- /dev/null
+++ b/dist/schemas/2.5.2/core/product.json
@@ -0,0 +1,153 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/product.json",
+  "title": "Product",
+  "description": "Represents available advertising inventory",
+  "type": "object",
+  "properties": {
+    "product_id": {
+      "type": "string",
+      "description": "Unique identifier for the product"
+    },
+    "name": {
+      "type": "string",
+      "description": "Human-readable product name"
+    },
+    "description": {
+      "type": "string",
+      "description": "Detailed description of the product and its inventory"
+    },
+    "publisher_properties": {
+      "type": "array",
+      "description": "Publisher properties covered by this product. Buyers fetch actual property definitions from each publisher's adagents.json and validate agent authorization. Selection patterns mirror the authorization patterns in adagents.json for consistency.",
+      "items": {
+        "$ref": "/schemas/2.5.2/core/publisher-property-selector.json"
+      },
+      "minItems": 1
+    },
+    "format_ids": {
+      "type": "array",
+      "description": "Array of supported creative format IDs - structured format_id objects with agent_url and id",
+      "items": {
+        "$ref": "/schemas/2.5.2/core/format-id.json"
+      }
+    },
+    "placements": {
+      "type": "array",
+      "description": "Optional array of specific placements within this product. When provided, buyers can target specific placements when assigning creatives.",
+      "items": {
+        "$ref": "/schemas/2.5.2/core/placement.json"
+      },
+      "minItems": 1
+    },
+    "delivery_type": {
+      "$ref": "/schemas/2.5.2/enums/delivery-type.json"
+    },
+    "pricing_options": {
+      "type": "array",
+      "description": "Available pricing models for this product",
+      "items": {
+        "$ref": "/schemas/2.5.2/core/pricing-option.json"
+      },
+      "minItems": 1
+    },
+    "estimated_exposures": {
+      "type": "integer",
+      "description": "Estimated exposures/impressions for guaranteed products",
+      "minimum": 0
+    },
+    "measurement": {
+      "$ref": "/schemas/2.5.2/core/measurement.json"
+    },
+    "delivery_measurement": {
+      "type": "object",
+      "description": "Measurement provider and methodology for delivery metrics. The buyer accepts the declared provider as the source of truth for the buy. REQUIRED for all products.",
+      "properties": {
+        "provider": {
+          "type": "string",
+          "description": "Measurement provider(s) used for this product (e.g., 'Google Ad Manager with IAS viewability', 'Nielsen DAR', 'Geopath for DOOH impressions')"
+        },
+        "notes": {
+          "type": "string",
+          "description": "Additional details about measurement methodology in plain language (e.g., 'MRC-accredited viewability. 50% in-view for 1s display / 2s video', 'Panel-based demographic measurement updated monthly')"
+        }
+      },
+      "required": [
+        "provider"
+      ]
+    },
+    "reporting_capabilities": {
+      "$ref": "/schemas/2.5.2/core/reporting-capabilities.json"
+    },
+    "creative_policy": {
+      "$ref": "/schemas/2.5.2/core/creative-policy.json"
+    },
+    "is_custom": {
+      "type": "boolean",
+      "description": "Whether this is a custom product"
+    },
+    "brief_relevance": {
+      "type": "string",
+      "description": "Explanation of why this product matches the brief (only included when brief is provided)"
+    },
+    "expires_at": {
+      "type": "string",
+      "format": "date-time",
+      "description": "Expiration timestamp for custom products"
+    },
+    "product_card": {
+      "type": "object",
+      "description": "Optional standard visual card (300x400px) for displaying this product in user interfaces. Can be rendered via preview_creative or pre-generated.",
+      "properties": {
+        "format_id": {
+          "$ref": "/schemas/2.5.2/core/format-id.json",
+          "description": "Creative format defining the card layout (typically product_card_standard)"
+        },
+        "manifest": {
+          "type": "object",
+          "description": "Asset manifest for rendering the card, structure defined by the format",
+          "additionalProperties": true
+        }
+      },
+      "required": [
+        "format_id",
+        "manifest"
+      ],
+      "additionalProperties": true
+    },
+    "product_card_detailed": {
+      "type": "object",
+      "description": "Optional detailed card with carousel and full specifications. Provides rich product presentation similar to media kit pages.",
+      "properties": {
+        "format_id": {
+          "$ref": "/schemas/2.5.2/core/format-id.json",
+          "description": "Creative format defining the detailed card layout (typically product_card_detailed)"
+        },
+        "manifest": {
+          "type": "object",
+          "description": "Asset manifest for rendering the detailed card, structure defined by the format",
+          "additionalProperties": true
+        }
+      },
+      "required": [
+        "format_id",
+        "manifest"
+      ],
+      "additionalProperties": true
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "required": [
+    "product_id",
+    "name",
+    "description",
+    "publisher_properties",
+    "format_ids",
+    "delivery_type",
+    "delivery_measurement",
+    "pricing_options"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/promoted-offerings.json b/dist/schemas/2.5.2/core/promoted-offerings.json
new file mode 100644
index 0000000000..944316a160
--- /dev/null
+++ b/dist/schemas/2.5.2/core/promoted-offerings.json
@@ -0,0 +1,115 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/promoted-offerings.json",
+  "title": "Promoted Offerings",
+  "description": "Complete offering specification combining brand manifest, product selectors, and asset filters. Provides all context needed for creative generation about what is being promoted.",
+  "type": "object",
+  "properties": {
+    "brand_manifest": {
+      "$ref": "/schemas/2.5.2/core/brand-manifest-ref.json",
+      "description": "Brand information manifest containing assets, themes, and guidelines. Can be provided inline or as a URL reference to a hosted manifest."
+    },
+    "product_selectors": {
+      "$ref": "/schemas/2.5.2/core/promoted-products.json",
+      "description": "Selectors to choose which products/offerings from the brand manifest product catalog to promote"
+    },
+    "offerings": {
+      "type": "array",
+      "description": "Inline offerings for campaigns without a product catalog. Each offering has a name, description, and associated assets.",
+      "items": {
+        "type": "object",
+        "properties": {
+          "name": {
+            "type": "string",
+            "description": "Offering name (e.g., 'Winter Sale', 'New Product Launch')"
+          },
+          "description": {
+            "type": "string",
+            "description": "Description of what's being offered"
+          },
+          "assets": {
+            "type": "array",
+            "description": "Assets specific to this offering",
+            "items": {
+              "type": "object",
+              "description": "Asset definition using standard asset structure",
+              "additionalProperties": true
+            }
+          }
+        },
+        "required": [
+          "name"
+        ],
+        "additionalProperties": true
+      }
+    },
+    "asset_selectors": {
+      "type": "object",
+      "description": "Selectors to choose specific assets from the brand manifest",
+      "properties": {
+        "tags": {
+          "type": "array",
+          "description": "Select assets with specific tags (e.g., ['holiday', 'premium'])",
+          "items": {
+            "type": "string"
+          }
+        },
+        "asset_types": {
+          "type": "array",
+          "description": "Filter by asset type (e.g., ['image', 'video'])",
+          "items": {
+            "type": "string",
+            "enum": [
+              "image",
+              "video",
+              "audio",
+              "vast",
+              "daast",
+              "text",
+              "url",
+              "html",
+              "css",
+              "javascript",
+              "webhook"
+            ]
+          }
+        },
+        "exclude_tags": {
+          "type": "array",
+          "description": "Exclude assets with these tags",
+          "items": {
+            "type": "string"
+          }
+        }
+      },
+      "additionalProperties": true
+    }
+  },
+  "required": [
+    "brand_manifest"
+  ],
+  "additionalProperties": true,
+  "examples": [
+    {
+      "brand_manifest": {
+        "name": "Brand Name",
+        "url": "https://brand.com"
+      },
+      "product_selectors": {
+        "manifest_skus": [
+          "SKU-123",
+          "SKU-456"
+        ]
+      },
+      "asset_selectors": {
+        "tags": [
+          "holiday"
+        ],
+        "asset_types": [
+          "image",
+          "video"
+        ]
+      }
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/core/promoted-products.json b/dist/schemas/2.5.2/core/promoted-products.json
new file mode 100644
index 0000000000..7b7d07567d
--- /dev/null
+++ b/dist/schemas/2.5.2/core/promoted-products.json
@@ -0,0 +1,67 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/promoted-products.json",
+  "title": "Promoted Products",
+  "description": "Specification of products or offerings being promoted in a campaign. Supports multiple selection methods from the brand manifest that can be combined using UNION (OR) logic. When multiple selection methods are provided, products matching ANY of the criteria are selected (logical OR, not AND).",
+  "type": "object",
+  "properties": {
+    "manifest_skus": {
+      "type": "array",
+      "description": "Direct product SKU references from the brand manifest product catalog",
+      "items": {
+        "type": "string"
+      }
+    },
+    "manifest_tags": {
+      "type": "array",
+      "description": "Select products by tags from the brand manifest product catalog (e.g., 'organic', 'sauces', 'holiday')",
+      "items": {
+        "type": "string"
+      }
+    },
+    "manifest_category": {
+      "type": "string",
+      "description": "Select products from a specific category in the brand manifest product catalog (e.g., 'beverages/soft-drinks', 'food/sauces')"
+    },
+    "manifest_query": {
+      "type": "string",
+      "description": "Natural language query to select products from the brand manifest (e.g., 'all Kraft Heinz pasta sauces', 'organic products under $20')"
+    }
+  },
+  "additionalProperties": true,
+  "examples": [
+    {
+      "description": "Direct SKU selection for specific products from brand manifest",
+      "data": {
+        "manifest_skus": [
+          "SKU-12345",
+          "SKU-67890"
+        ]
+      }
+    },
+    {
+      "description": "UNION selection: products tagged 'organic' OR 'sauces' OR in 'food/condiments' category from brand manifest",
+      "data": {
+        "manifest_tags": [
+          "organic",
+          "sauces"
+        ],
+        "manifest_category": "food/condiments"
+      }
+    },
+    {
+      "description": "Natural language product selection from brand manifest",
+      "data": {
+        "manifest_query": "all Kraft Heinz pasta sauces under $5"
+      }
+    },
+    {
+      "description": "Select products by tags",
+      "data": {
+        "manifest_tags": [
+          "holiday"
+        ]
+      }
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/core/property-id.json b/dist/schemas/2.5.2/core/property-id.json
new file mode 100644
index 0000000000..79996628ae
--- /dev/null
+++ b/dist/schemas/2.5.2/core/property-id.json
@@ -0,0 +1,14 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/property-id.json",
+  "title": "Property ID",
+  "description": "Identifier for a publisher property. Must be lowercase alphanumeric with underscores only.",
+  "type": "string",
+  "pattern": "^[a-z0-9_]+$",
+  "examples": [
+    "cnn_ctv_app",
+    "homepage",
+    "mobile_ios",
+    "instagram"
+  ]
+}
diff --git a/dist/schemas/2.5.2/core/property-tag.json b/dist/schemas/2.5.2/core/property-tag.json
new file mode 100644
index 0000000000..c73d25345e
--- /dev/null
+++ b/dist/schemas/2.5.2/core/property-tag.json
@@ -0,0 +1,16 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/property-tag.json",
+  "title": "Property Tag",
+  "description": "Tag for categorizing publisher properties. Must be lowercase alphanumeric with underscores only.",
+  "type": "string",
+  "pattern": "^[a-z0-9_]+$",
+  "examples": [
+    "ctv",
+    "premium",
+    "news",
+    "sports",
+    "meta_network",
+    "social_media"
+  ]
+}
diff --git a/dist/schemas/2.5.2/core/property.json b/dist/schemas/2.5.2/core/property.json
new file mode 100644
index 0000000000..d1c5248fe0
--- /dev/null
+++ b/dist/schemas/2.5.2/core/property.json
@@ -0,0 +1,62 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/property.json",
+  "title": "Property",
+  "description": "An advertising property that can be validated via adagents.json",
+  "type": "object",
+  "properties": {
+    "property_id": {
+      "$ref": "/schemas/2.5.2/core/property-id.json",
+      "description": "Unique identifier for this property (optional). Enables referencing properties by ID instead of repeating full objects."
+    },
+    "property_type": {
+      "$ref": "/schemas/2.5.2/enums/property-type.json",
+      "description": "Type of advertising property"
+    },
+    "name": {
+      "type": "string",
+      "description": "Human-readable property name"
+    },
+    "identifiers": {
+      "type": "array",
+      "description": "Array of identifiers for this property",
+      "items": {
+        "type": "object",
+        "properties": {
+          "type": {
+            "$ref": "/schemas/2.5.2/enums/identifier-types.json",
+            "description": "Type of identifier for this property"
+          },
+          "value": {
+            "type": "string",
+            "description": "The identifier value. For domain type: 'example.com' matches base domain plus www and m subdomains; 'edition.example.com' matches that specific subdomain; '*.example.com' matches ALL subdomains but NOT base domain"
+          }
+        },
+        "required": [
+          "type",
+          "value"
+        ],
+        "additionalProperties": true
+      },
+      "minItems": 1
+    },
+    "tags": {
+      "type": "array",
+      "description": "Tags for categorization and grouping (e.g., network membership, content categories)",
+      "items": {
+        "$ref": "/schemas/2.5.2/core/property-tag.json"
+      },
+      "uniqueItems": true
+    },
+    "publisher_domain": {
+      "type": "string",
+      "description": "Domain where adagents.json should be checked for authorization validation. Required for list_authorized_properties response. Optional in adagents.json (file location implies domain)."
+    }
+  },
+  "required": [
+    "property_type",
+    "name",
+    "identifiers"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/protocol-envelope.json b/dist/schemas/2.5.2/core/protocol-envelope.json
new file mode 100644
index 0000000000..a8d8dd022a
--- /dev/null
+++ b/dist/schemas/2.5.2/core/protocol-envelope.json
@@ -0,0 +1,146 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/protocol-envelope.json",
+  "title": "Protocol Envelope",
+  "description": "Standard envelope structure for AdCP task responses. This envelope is added by the protocol layer (MCP, A2A, REST) and wraps the task-specific response payload. Task response schemas should NOT include these fields - they are protocol-level concerns.",
+  "type": "object",
+  "properties": {
+    "context_id": {
+      "type": "string",
+      "description": "Session/conversation identifier for tracking related operations across multiple task invocations. Managed by the protocol layer to maintain conversational context."
+    },
+    "task_id": {
+      "type": "string",
+      "description": "Unique identifier for tracking asynchronous operations. Present when a task requires extended processing time. Used to query task status and retrieve results when complete."
+    },
+    "status": {
+      "$ref": "/schemas/2.5.2/enums/task-status.json",
+      "description": "Current task execution state. Indicates whether the task is completed, in progress (working), submitted for async processing, failed, or requires user input. Managed by the protocol layer."
+    },
+    "message": {
+      "type": "string",
+      "description": "Human-readable summary of the task result. Provides natural language explanation of what happened, suitable for display to end users or for AI agent comprehension. Generated by the protocol layer based on the task response."
+    },
+    "timestamp": {
+      "type": "string",
+      "format": "date-time",
+      "description": "ISO 8601 timestamp when the response was generated. Useful for debugging, logging, cache validation, and tracking async operation progress."
+    },
+    "push_notification_config": {
+      "$ref": "/schemas/2.5.2/core/push-notification-config.json",
+      "description": "Push notification configuration for async task updates (A2A and REST protocols). Echoed from the request to confirm webhook settings. Specifies URL, authentication scheme (Bearer or HMAC-SHA256), and credentials. MCP uses progress notifications instead of webhooks."
+    },
+    "payload": {
+      "type": "object",
+      "description": "The actual task-specific response data. This is the content defined in individual task response schemas (e.g., get-products-response.json, create-media-buy-response.json). Contains only domain-specific data without protocol-level fields.",
+      "additionalProperties": true
+    }
+  },
+  "required": [
+    "status",
+    "payload"
+  ],
+  "additionalProperties": true,
+  "examples": [
+    {
+      "description": "Synchronous task response with immediate results",
+      "data": {
+        "context_id": "ctx_abc123",
+        "status": "completed",
+        "message": "Found 3 products matching your criteria for CTV inventory in California",
+        "timestamp": "2025-10-14T14:25:30Z",
+        "payload": {
+          "products": [
+            {
+              "product_id": "ctv_premium_ca",
+              "name": "CTV Premium - California",
+              "description": "Premium connected TV inventory across California",
+              "pricing": {
+                "model": "cpm",
+                "amount": 45.0,
+                "currency": "USD"
+              }
+            }
+          ]
+        }
+      }
+    },
+    {
+      "description": "Asynchronous task response with pending operation",
+      "data": {
+        "context_id": "ctx_def456",
+        "task_id": "task_789",
+        "status": "submitted",
+        "message": "Media buy creation submitted. Processing will take approximately 5-10 minutes. You'll receive updates via webhook.",
+        "timestamp": "2025-10-14T14:30:00Z",
+        "push_notification_config": {
+          "url": "https://buyer.example.com/webhooks/adcp",
+          "authentication": {
+            "schemes": [
+              "HMAC-SHA256"
+            ],
+            "credentials": "shared_secret_exchanged_during_onboarding_min_32_chars"
+          }
+        },
+        "payload": {
+          "buyer_ref": "campaign_2024_q1"
+        }
+      }
+    },
+    {
+      "description": "Task response requiring user input",
+      "data": {
+        "context_id": "ctx_ghi789",
+        "task_id": "task_101",
+        "status": "input-required",
+        "message": "This media buy requires manual approval. Please review the terms and confirm to proceed.",
+        "timestamp": "2025-10-14T14:32:15Z",
+        "payload": {
+          "media_buy_id": "mb_123456",
+          "buyer_ref": "campaign_2024_q1",
+          "packages": [
+            {
+              "package_id": "pkg_001",
+              "buyer_ref": "pkg_premium_ctv"
+            }
+          ],
+          "errors": [
+            {
+              "code": "APPROVAL_REQUIRED",
+              "message": "Budget exceeds auto-approval threshold",
+              "severity": "warning"
+            }
+          ]
+        }
+      }
+    },
+    {
+      "description": "Failed task response with error details",
+      "data": {
+        "context_id": "ctx_jkl012",
+        "status": "failed",
+        "message": "Unable to create media buy due to invalid targeting parameters",
+        "timestamp": "2025-10-14T14:28:45Z",
+        "payload": {
+          "errors": [
+            {
+              "code": "INVALID_TARGETING",
+              "message": "Geographic targeting codes are invalid",
+              "field": "targeting.geo_codes",
+              "severity": "error"
+            }
+          ]
+        }
+      }
+    }
+  ],
+  "notes": [
+    "Task response schemas (e.g., get-products-response.json) define ONLY the payload structure",
+    "Protocol implementations (MCP, A2A, REST) wrap the payload with this envelope",
+    "Different protocols may use different serialization formats but maintain the same semantic structure",
+    "MCP may represent this via tool response content fields and metadata",
+    "A2A may represent this via assistant messages with structured data",
+    "REST may use HTTP headers for status/task metadata and JSON body for payload",
+    "The envelope ensures consistent behavior across all protocol implementations"
+  ]
+}
diff --git a/dist/schemas/2.5.2/core/publisher-property-selector.json b/dist/schemas/2.5.2/core/publisher-property-selector.json
new file mode 100644
index 0000000000..68f2987465
--- /dev/null
+++ b/dist/schemas/2.5.2/core/publisher-property-selector.json
@@ -0,0 +1,92 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/publisher-property-selector.json",
+  "title": "Publisher Property Selector",
+  "description": "Selects properties from a publisher's adagents.json. Used for both product definitions and agent authorization. Supports three selection patterns: all properties, specific IDs, or by tags.",
+  "discriminator": {
+    "propertyName": "selection_type"
+  },
+  "oneOf": [
+    {
+      "type": "object",
+      "description": "Select all properties from the publisher domain",
+      "properties": {
+        "publisher_domain": {
+          "type": "string",
+          "description": "Domain where publisher's adagents.json is hosted (e.g., 'cnn.com')",
+          "pattern": "^[a-z0-9]([a-z0-9-]*[a-z0-9])?(\\.[a-z0-9]([a-z0-9-]*[a-z0-9])?)*$"
+        },
+        "selection_type": {
+          "type": "string",
+          "const": "all",
+          "description": "Discriminator indicating all properties from this publisher are included"
+        }
+      },
+      "required": [
+        "publisher_domain",
+        "selection_type"
+      ],
+      "additionalProperties": true
+    },
+    {
+      "type": "object",
+      "description": "Select specific properties by ID",
+      "properties": {
+        "publisher_domain": {
+          "type": "string",
+          "description": "Domain where publisher's adagents.json is hosted (e.g., 'cnn.com')",
+          "pattern": "^[a-z0-9]([a-z0-9-]*[a-z0-9])?(\\.[a-z0-9]([a-z0-9-]*[a-z0-9])?)*$"
+        },
+        "selection_type": {
+          "type": "string",
+          "const": "by_id",
+          "description": "Discriminator indicating selection by specific property IDs"
+        },
+        "property_ids": {
+          "type": "array",
+          "description": "Specific property IDs from the publisher's adagents.json",
+          "items": {
+            "$ref": "/schemas/2.5.2/core/property-id.json"
+          },
+          "minItems": 1
+        }
+      },
+      "required": [
+        "publisher_domain",
+        "selection_type",
+        "property_ids"
+      ],
+      "additionalProperties": true
+    },
+    {
+      "type": "object",
+      "description": "Select properties by tag membership",
+      "properties": {
+        "publisher_domain": {
+          "type": "string",
+          "description": "Domain where publisher's adagents.json is hosted (e.g., 'cnn.com')",
+          "pattern": "^[a-z0-9]([a-z0-9-]*[a-z0-9])?(\\.[a-z0-9]([a-z0-9-]*[a-z0-9])?)*$"
+        },
+        "selection_type": {
+          "type": "string",
+          "const": "by_tag",
+          "description": "Discriminator indicating selection by property tags"
+        },
+        "property_tags": {
+          "type": "array",
+          "description": "Property tags from the publisher's adagents.json. Selector covers all properties with these tags",
+          "items": {
+            "$ref": "/schemas/2.5.2/core/property-tag.json"
+          },
+          "minItems": 1
+        }
+      },
+      "required": [
+        "publisher_domain",
+        "selection_type",
+        "property_tags"
+      ],
+      "additionalProperties": true
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/core/push-notification-config.json b/dist/schemas/2.5.2/core/push-notification-config.json
new file mode 100644
index 0000000000..459ede36b7
--- /dev/null
+++ b/dist/schemas/2.5.2/core/push-notification-config.json
@@ -0,0 +1,48 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/push-notification-config.json",
+  "title": "Push Notification Config",
+  "description": "Webhook configuration for asynchronous task notifications. Uses A2A-compatible PushNotificationConfig structure. Supports Bearer tokens (simple) or HMAC signatures (production-recommended). This schema is designed for composition via allOf - consuming schemas should define their own additionalProperties constraints.",
+  "type": "object",
+  "properties": {
+    "url": {
+      "type": "string",
+      "format": "uri",
+      "description": "Webhook endpoint URL for task status notifications"
+    },
+    "token": {
+      "type": "string",
+      "description": "Optional client-provided token for webhook validation. Echoed back in webhook payload to validate request authenticity.",
+      "minLength": 16
+    },
+    "authentication": {
+      "type": "object",
+      "description": "Authentication configuration for webhook delivery (A2A-compatible)",
+      "properties": {
+        "schemes": {
+          "type": "array",
+          "description": "Array of authentication schemes. Supported: ['Bearer'] for simple token auth, ['HMAC-SHA256'] for signature verification (recommended for production)",
+          "items": {
+            "$ref": "/schemas/2.5.2/enums/auth-scheme.json"
+          },
+          "minItems": 1,
+          "maxItems": 1
+        },
+        "credentials": {
+          "type": "string",
+          "description": "Credentials for authentication. For Bearer: token sent in Authorization header. For HMAC-SHA256: shared secret used to generate signature. Minimum 32 characters. Exchanged out-of-band during onboarding.",
+          "minLength": 32
+        }
+      },
+      "required": [
+        "schemes",
+        "credentials"
+      ],
+      "additionalProperties": false
+    }
+  },
+  "required": [
+    "url",
+    "authentication"
+  ]
+}
diff --git a/dist/schemas/2.5.2/core/reporting-capabilities.json b/dist/schemas/2.5.2/core/reporting-capabilities.json
new file mode 100644
index 0000000000..51d02b3654
--- /dev/null
+++ b/dist/schemas/2.5.2/core/reporting-capabilities.json
@@ -0,0 +1,71 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/reporting-capabilities.json",
+  "title": "Reporting Capabilities",
+  "description": "Reporting capabilities available for a product",
+  "type": "object",
+  "properties": {
+    "available_reporting_frequencies": {
+      "type": "array",
+      "description": "Supported reporting frequency options",
+      "items": {
+        "$ref": "/schemas/2.5.2/enums/reporting-frequency.json"
+      },
+      "minItems": 1,
+      "uniqueItems": true
+    },
+    "expected_delay_minutes": {
+      "type": "integer",
+      "description": "Expected delay in minutes before reporting data becomes available (e.g., 240 for 4-hour delay)",
+      "minimum": 0,
+      "examples": [
+        240,
+        300,
+        1440
+      ]
+    },
+    "timezone": {
+      "type": "string",
+      "description": "Timezone for reporting periods. Use 'UTC' or IANA timezone (e.g., 'America/New_York'). Critical for daily/monthly frequency alignment.",
+      "examples": [
+        "UTC",
+        "America/New_York",
+        "Europe/London",
+        "America/Los_Angeles"
+      ]
+    },
+    "supports_webhooks": {
+      "type": "boolean",
+      "description": "Whether this product supports webhook-based reporting notifications"
+    },
+    "available_metrics": {
+      "type": "array",
+      "description": "Metrics available in reporting. Impressions and spend are always implicitly included.",
+      "items": {
+        "$ref": "/schemas/2.5.2/enums/available-metric.json"
+      },
+      "uniqueItems": true,
+      "examples": [
+        [
+          "impressions",
+          "spend",
+          "clicks",
+          "video_completions"
+        ],
+        [
+          "impressions",
+          "spend",
+          "conversions"
+        ]
+      ]
+    }
+  },
+  "required": [
+    "available_reporting_frequencies",
+    "expected_delay_minutes",
+    "timezone",
+    "supports_webhooks",
+    "available_metrics"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/response.json b/dist/schemas/2.5.2/core/response.json
new file mode 100644
index 0000000000..32e6bfa110
--- /dev/null
+++ b/dist/schemas/2.5.2/core/response.json
@@ -0,0 +1,24 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/response.json",
+  "title": "Protocol Response",
+  "description": "Protocol-level response wrapper (MCP/A2A) - contains AdCP task data plus protocol fields",
+  "type": "object",
+  "properties": {
+    "message": {
+      "type": "string",
+      "description": "Human-readable summary"
+    },
+    "context_id": {
+      "type": "string",
+      "description": "Session continuity identifier"
+    },
+    "data": {
+      "description": "AdCP task-specific response data (see individual task response schemas)"
+    }
+  },
+  "required": [
+    "message"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/signal-filters.json b/dist/schemas/2.5.2/core/signal-filters.json
new file mode 100644
index 0000000000..50e97b6a49
--- /dev/null
+++ b/dist/schemas/2.5.2/core/signal-filters.json
@@ -0,0 +1,35 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/signal-filters.json",
+  "title": "Signal Filters",
+  "description": "Filters to refine signal discovery results",
+  "type": "object",
+  "properties": {
+    "catalog_types": {
+      "type": "array",
+      "description": "Filter by catalog type",
+      "items": {
+        "$ref": "/schemas/2.5.2/enums/signal-catalog-type.json"
+      }
+    },
+    "data_providers": {
+      "type": "array",
+      "description": "Filter by specific data providers",
+      "items": {
+        "type": "string"
+      }
+    },
+    "max_cpm": {
+      "type": "number",
+      "description": "Maximum CPM price filter",
+      "minimum": 0
+    },
+    "min_coverage_percentage": {
+      "type": "number",
+      "description": "Minimum coverage requirement",
+      "minimum": 0,
+      "maximum": 100
+    }
+  },
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/start-timing.json b/dist/schemas/2.5.2/core/start-timing.json
new file mode 100644
index 0000000000..f5cf94df73
--- /dev/null
+++ b/dist/schemas/2.5.2/core/start-timing.json
@@ -0,0 +1,18 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/start-timing.json",
+  "title": "Start Timing",
+  "description": "Campaign start timing: 'asap' or ISO 8601 date-time",
+  "oneOf": [
+    {
+      "type": "string",
+      "const": "asap",
+      "description": "Start campaign as soon as possible"
+    },
+    {
+      "type": "string",
+      "format": "date-time",
+      "description": "Scheduled start date/time in ISO 8601 format"
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/core/sub-asset.json b/dist/schemas/2.5.2/core/sub-asset.json
new file mode 100644
index 0000000000..21784c97db
--- /dev/null
+++ b/dist/schemas/2.5.2/core/sub-asset.json
@@ -0,0 +1,79 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/sub-asset.json",
+  "title": "Sub-Asset",
+  "description": "Sub-asset for multi-asset creative formats, including carousel images and native ad template variables",
+  "oneOf": [
+    {
+      "type": "object",
+      "properties": {
+        "asset_kind": {
+          "type": "string",
+          "const": "media",
+          "description": "Discriminator indicating this is a media asset with content_uri"
+        },
+        "asset_type": {
+          "type": "string",
+          "description": "Type of asset. Common types: thumbnail_image, product_image, featured_image, logo"
+        },
+        "asset_id": {
+          "type": "string",
+          "description": "Unique identifier for the asset within the creative"
+        },
+        "content_uri": {
+          "type": "string",
+          "format": "uri",
+          "description": "URL for media assets (images, videos, etc.)"
+        }
+      },
+      "required": [
+        "asset_kind",
+        "asset_type",
+        "asset_id",
+        "content_uri"
+      ],
+      "additionalProperties": true
+    },
+    {
+      "type": "object",
+      "properties": {
+        "asset_kind": {
+          "type": "string",
+          "const": "text",
+          "description": "Discriminator indicating this is a text asset with content"
+        },
+        "asset_type": {
+          "type": "string",
+          "description": "Type of asset. Common types: headline, body_text, cta_text, price_text, sponsor_name, author_name, click_url"
+        },
+        "asset_id": {
+          "type": "string",
+          "description": "Unique identifier for the asset within the creative"
+        },
+        "content": {
+          "oneOf": [
+            {
+              "type": "string",
+              "description": "Single text content value"
+            },
+            {
+              "type": "array",
+              "description": "Multiple text content values (for A/B testing or variations)",
+              "items": {
+                "type": "string"
+              }
+            }
+          ],
+          "description": "Text content for text-based assets like headlines, body text, CTA text, etc."
+        }
+      },
+      "required": [
+        "asset_kind",
+        "asset_type",
+        "asset_id",
+        "content"
+      ],
+      "additionalProperties": true
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/core/targeting.json b/dist/schemas/2.5.2/core/targeting.json
new file mode 100644
index 0000000000..b9509948c7
--- /dev/null
+++ b/dist/schemas/2.5.2/core/targeting.json
@@ -0,0 +1,50 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/targeting.json",
+  "title": "Targeting Overlay",
+  "description": "Optional geographic refinements for media buys. Most targeting should be expressed in the brief and handled by the publisher. These fields are primarily for geographic restrictions (RCT testing, regulatory compliance).",
+  "type": "object",
+  "properties": {
+    "geo_country_any_of": {
+      "type": "array",
+      "description": "Restrict delivery to specific countries (ISO codes). Use for regulatory compliance or RCT testing.",
+      "items": {
+        "type": "string",
+        "pattern": "^[A-Z]{2}$"
+      }
+    },
+    "geo_region_any_of": {
+      "type": "array",
+      "description": "Restrict delivery to specific regions/states. Use for regulatory compliance or RCT testing.",
+      "items": {
+        "type": "string"
+      }
+    },
+    "geo_metro_any_of": {
+      "type": "array",
+      "description": "Restrict delivery to specific metro areas (DMA codes). Use for regulatory compliance or RCT testing.",
+      "items": {
+        "type": "string"
+      }
+    },
+    "geo_postal_code_any_of": {
+      "type": "array",
+      "description": "Restrict delivery to specific postal/ZIP codes. Use for regulatory compliance or RCT testing.",
+      "items": {
+        "type": "string"
+      }
+    },
+    "axe_include_segment": {
+      "type": "string",
+      "description": "AXE segment ID to include for targeting"
+    },
+    "axe_exclude_segment": {
+      "type": "string",
+      "description": "AXE segment ID to exclude from targeting"
+    },
+    "frequency_cap": {
+      "$ref": "/schemas/2.5.2/core/frequency-cap.json"
+    }
+  },
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/tasks-get-request.json b/dist/schemas/2.5.2/core/tasks-get-request.json
new file mode 100644
index 0000000000..327a78585f
--- /dev/null
+++ b/dist/schemas/2.5.2/core/tasks-get-request.json
@@ -0,0 +1,43 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/tasks-get-request.json",
+  "title": "Tasks Get Request",
+  "description": "Request parameters for retrieving a specific task by ID with optional conversation history across all AdCP domains",
+  "type": "object",
+  "properties": {
+    "task_id": {
+      "type": "string",
+      "description": "Unique identifier of the task to retrieve"
+    },
+    "include_history": {
+      "type": "boolean",
+      "default": false,
+      "description": "Include full conversation history for this task (may increase response size)"
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "required": [
+    "task_id"
+  ],
+  "additionalProperties": true,
+  "examples": [
+    {
+      "description": "Check task status",
+      "data": {
+        "task_id": "task_456"
+      }
+    },
+    {
+      "description": "Get task with full conversation history",
+      "data": {
+        "task_id": "task_123",
+        "include_history": true
+      }
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/core/tasks-get-response.json b/dist/schemas/2.5.2/core/tasks-get-response.json
new file mode 100644
index 0000000000..c202b1d7d9
--- /dev/null
+++ b/dist/schemas/2.5.2/core/tasks-get-response.json
@@ -0,0 +1,166 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/tasks-get-response.json",
+  "title": "Tasks Get Response",
+  "description": "Response containing detailed information about a specific task including status and optional conversation history across all AdCP domains",
+  "type": "object",
+  "properties": {
+    "task_id": {
+      "type": "string",
+      "description": "Unique identifier for this task"
+    },
+    "task_type": {
+      "$ref": "/schemas/2.5.2/enums/task-type.json",
+      "description": "Type of AdCP operation"
+    },
+    "domain": {
+      "type": "string",
+      "description": "AdCP domain this task belongs to",
+      "enum": [
+        "media-buy",
+        "signals"
+      ]
+    },
+    "status": {
+      "$ref": "/schemas/2.5.2/enums/task-status.json",
+      "description": "Current task status"
+    },
+    "created_at": {
+      "type": "string",
+      "format": "date-time",
+      "description": "When the task was initially created (ISO 8601)"
+    },
+    "updated_at": {
+      "type": "string",
+      "format": "date-time",
+      "description": "When the task was last updated (ISO 8601)"
+    },
+    "completed_at": {
+      "type": "string",
+      "format": "date-time",
+      "description": "When the task completed (ISO 8601, only for completed/failed/canceled tasks)"
+    },
+    "has_webhook": {
+      "type": "boolean",
+      "description": "Whether this task has webhook configuration"
+    },
+    "progress": {
+      "type": "object",
+      "description": "Progress information for long-running tasks",
+      "properties": {
+        "percentage": {
+          "type": "number",
+          "minimum": 0,
+          "maximum": 100,
+          "description": "Completion percentage (0-100)"
+        },
+        "current_step": {
+          "type": "string",
+          "description": "Current step or phase of the operation"
+        },
+        "total_steps": {
+          "type": "integer",
+          "minimum": 1,
+          "description": "Total number of steps in the operation"
+        },
+        "step_number": {
+          "type": "integer",
+          "minimum": 1,
+          "description": "Current step number"
+        }
+      },
+      "additionalProperties": true
+    },
+    "error": {
+      "type": "object",
+      "description": "Error details for failed tasks",
+      "properties": {
+        "code": {
+          "type": "string",
+          "description": "Error code for programmatic handling"
+        },
+        "message": {
+          "type": "string",
+          "description": "Detailed error message"
+        },
+        "details": {
+          "type": "object",
+          "description": "Additional error context",
+          "properties": {
+            "domain": {
+              "type": "string",
+              "description": "AdCP domain where error occurred",
+              "enum": [
+                "media-buy",
+                "signals"
+              ]
+            },
+            "operation": {
+              "type": "string",
+              "description": "Specific operation that failed"
+            },
+            "specific_context": {
+              "type": "object",
+              "description": "Domain-specific error context",
+              "additionalProperties": true
+            }
+          },
+          "additionalProperties": true
+        }
+      },
+      "required": [
+        "code",
+        "message"
+      ],
+      "additionalProperties": true
+    },
+    "history": {
+      "type": "array",
+      "description": "Complete conversation history for this task (only included if include_history was true in request)",
+      "items": {
+        "type": "object",
+        "properties": {
+          "timestamp": {
+            "type": "string",
+            "format": "date-time",
+            "description": "When this exchange occurred (ISO 8601)"
+          },
+          "type": {
+            "type": "string",
+            "enum": [
+              "request",
+              "response"
+            ],
+            "description": "Whether this was a request from client or response from server"
+          },
+          "data": {
+            "type": "object",
+            "description": "The full request or response payload",
+            "additionalProperties": true
+          }
+        },
+        "required": [
+          "timestamp",
+          "type",
+          "data"
+        ],
+        "additionalProperties": true
+      }
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "required": [
+    "task_id",
+    "task_type",
+    "domain",
+    "status",
+    "created_at",
+    "updated_at"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/core/tasks-list-request.json b/dist/schemas/2.5.2/core/tasks-list-request.json
new file mode 100644
index 0000000000..5c77a5e05c
--- /dev/null
+++ b/dist/schemas/2.5.2/core/tasks-list-request.json
@@ -0,0 +1,192 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/tasks-list-request.json",
+  "title": "Tasks List Request",
+  "description": "Request parameters for listing and filtering async tasks across all AdCP domains with state reconciliation capabilities",
+  "type": "object",
+  "properties": {
+    "filters": {
+      "type": "object",
+      "description": "Filter criteria for querying tasks",
+      "properties": {
+        "domain": {
+          "$ref": "/schemas/2.5.2/enums/adcp-domain.json",
+          "description": "Filter by single AdCP domain"
+        },
+        "domains": {
+          "type": "array",
+          "description": "Filter by multiple AdCP domains",
+          "items": {
+            "$ref": "/schemas/2.5.2/enums/adcp-domain.json"
+          }
+        },
+        "status": {
+          "$ref": "/schemas/2.5.2/enums/task-status.json",
+          "description": "Filter by single task status"
+        },
+        "statuses": {
+          "type": "array",
+          "description": "Filter by multiple task statuses",
+          "items": {
+            "$ref": "/schemas/2.5.2/enums/task-status.json"
+          }
+        },
+        "task_type": {
+          "$ref": "/schemas/2.5.2/enums/task-type.json",
+          "description": "Filter by single task type"
+        },
+        "task_types": {
+          "type": "array",
+          "description": "Filter by multiple task types",
+          "items": {
+            "$ref": "/schemas/2.5.2/enums/task-type.json"
+          }
+        },
+        "created_after": {
+          "type": "string",
+          "format": "date-time",
+          "description": "Filter tasks created after this date (ISO 8601)"
+        },
+        "created_before": {
+          "type": "string",
+          "format": "date-time",
+          "description": "Filter tasks created before this date (ISO 8601)"
+        },
+        "updated_after": {
+          "type": "string",
+          "format": "date-time",
+          "description": "Filter tasks last updated after this date (ISO 8601)"
+        },
+        "updated_before": {
+          "type": "string",
+          "format": "date-time",
+          "description": "Filter tasks last updated before this date (ISO 8601)"
+        },
+        "task_ids": {
+          "type": "array",
+          "description": "Filter by specific task IDs",
+          "items": {
+            "type": "string"
+          },
+          "maxItems": 100
+        },
+        "context_contains": {
+          "type": "string",
+          "description": "Filter tasks where context contains this text (searches buyer_ref, media_buy_id, signal_id, etc.)"
+        },
+        "has_webhook": {
+          "type": "boolean",
+          "description": "Filter tasks that have webhook configuration when true"
+        }
+      },
+      "additionalProperties": true
+    },
+    "sort": {
+      "type": "object",
+      "description": "Sorting parameters",
+      "properties": {
+        "field": {
+          "type": "string",
+          "enum": [
+            "created_at",
+            "updated_at",
+            "status",
+            "task_type",
+            "domain"
+          ],
+          "default": "created_at",
+          "description": "Field to sort by"
+        },
+        "direction": {
+          "$ref": "/schemas/2.5.2/enums/sort-direction.json",
+          "default": "desc",
+          "description": "Sort direction"
+        }
+      },
+      "additionalProperties": true
+    },
+    "pagination": {
+      "type": "object",
+      "description": "Pagination parameters",
+      "properties": {
+        "limit": {
+          "type": "integer",
+          "minimum": 1,
+          "maximum": 100,
+          "default": 50,
+          "description": "Maximum number of tasks to return"
+        },
+        "offset": {
+          "type": "integer",
+          "minimum": 0,
+          "default": 0,
+          "description": "Number of tasks to skip"
+        }
+      },
+      "additionalProperties": true
+    },
+    "include_history": {
+      "type": "boolean",
+      "default": false,
+      "description": "Include full conversation history for each task (may significantly increase response size)"
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "additionalProperties": true,
+  "examples": [
+    {
+      "description": "List all pending tasks across domains",
+      "data": {
+        "filters": {
+          "statuses": [
+            "submitted",
+            "working",
+            "input-required"
+          ]
+        }
+      }
+    },
+    {
+      "description": "Find media-buy tasks requiring attention",
+      "data": {
+        "filters": {
+          "domain": "media-buy",
+          "statuses": [
+            "input-required",
+            "failed"
+          ]
+        },
+        "sort": {
+          "field": "updated_at",
+          "direction": "asc"
+        }
+      }
+    },
+    {
+      "description": "Recent signal operations",
+      "data": {
+        "filters": {
+          "domain": "signals",
+          "created_after": "2025-01-01T00:00:00Z"
+        },
+        "pagination": {
+          "limit": 20
+        }
+      }
+    },
+    {
+      "description": "State reconciliation for specific campaign",
+      "data": {
+        "filters": {
+          "context_contains": "nike_q1_2025"
+        },
+        "include_history": true
+      }
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/core/tasks-list-response.json b/dist/schemas/2.5.2/core/tasks-list-response.json
new file mode 100644
index 0000000000..4066d54724
--- /dev/null
+++ b/dist/schemas/2.5.2/core/tasks-list-response.json
@@ -0,0 +1,183 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/core/tasks-list-response.json",
+  "title": "Tasks List Response",
+  "description": "Response from task listing query with filtered results and state reconciliation data across all AdCP domains",
+  "type": "object",
+  "properties": {
+    "query_summary": {
+      "type": "object",
+      "description": "Summary of the query that was executed",
+      "properties": {
+        "total_matching": {
+          "type": "integer",
+          "description": "Total number of tasks matching filters (across all pages)",
+          "minimum": 0
+        },
+        "returned": {
+          "type": "integer",
+          "description": "Number of tasks returned in this response",
+          "minimum": 0
+        },
+        "domain_breakdown": {
+          "type": "object",
+          "description": "Count of tasks by domain",
+          "properties": {
+            "media-buy": {
+              "type": "integer",
+              "minimum": 0,
+              "description": "Number of media-buy tasks in results"
+            },
+            "signals": {
+              "type": "integer",
+              "minimum": 0,
+              "description": "Number of signals tasks in results"
+            }
+          },
+          "additionalProperties": true
+        },
+        "status_breakdown": {
+          "type": "object",
+          "description": "Count of tasks by status",
+          "additionalProperties": {
+            "type": "integer",
+            "minimum": 0
+          }
+        },
+        "filters_applied": {
+          "type": "array",
+          "description": "List of filters that were applied to the query",
+          "items": {
+            "type": "string"
+          }
+        },
+        "sort_applied": {
+          "type": "object",
+          "description": "Sort order that was applied",
+          "properties": {
+            "field": {
+              "type": "string"
+            },
+            "direction": {
+              "type": "string",
+              "enum": [
+                "asc",
+                "desc"
+              ]
+            }
+          },
+          "required": [
+            "field",
+            "direction"
+          ],
+          "additionalProperties": true
+        }
+      },
+      "required": [
+        "total_matching",
+        "returned"
+      ],
+      "additionalProperties": true
+    },
+    "tasks": {
+      "type": "array",
+      "description": "Array of tasks matching the query criteria",
+      "items": {
+        "type": "object",
+        "properties": {
+          "task_id": {
+            "type": "string",
+            "description": "Unique identifier for this task"
+          },
+          "task_type": {
+            "$ref": "/schemas/2.5.2/enums/task-type.json",
+            "description": "Type of AdCP operation"
+          },
+          "domain": {
+            "type": "string",
+            "description": "AdCP domain this task belongs to",
+            "enum": [
+              "media-buy",
+              "signals"
+            ]
+          },
+          "status": {
+            "$ref": "/schemas/2.5.2/enums/task-status.json",
+            "description": "Current task status"
+          },
+          "created_at": {
+            "type": "string",
+            "format": "date-time",
+            "description": "When the task was initially created (ISO 8601)"
+          },
+          "updated_at": {
+            "type": "string",
+            "format": "date-time",
+            "description": "When the task was last updated (ISO 8601)"
+          },
+          "completed_at": {
+            "type": "string",
+            "format": "date-time",
+            "description": "When the task completed (ISO 8601, only for completed/failed/canceled tasks)"
+          },
+          "has_webhook": {
+            "type": "boolean",
+            "description": "Whether this task has webhook configuration"
+          }
+        },
+        "required": [
+          "task_id",
+          "task_type",
+          "domain",
+          "status",
+          "created_at",
+          "updated_at"
+        ],
+        "additionalProperties": true
+      }
+    },
+    "pagination": {
+      "type": "object",
+      "description": "Pagination information",
+      "properties": {
+        "limit": {
+          "type": "integer",
+          "description": "Limit that was applied to this query",
+          "minimum": 1
+        },
+        "offset": {
+          "type": "integer",
+          "description": "Offset that was applied to this query",
+          "minimum": 0
+        },
+        "has_more": {
+          "type": "boolean",
+          "description": "Whether there are more tasks beyond this page"
+        },
+        "next_offset": {
+          "type": "integer",
+          "description": "Offset to use for next page (only present if has_more is true)",
+          "minimum": 0
+        }
+      },
+      "required": [
+        "limit",
+        "offset",
+        "has_more"
+      ],
+      "additionalProperties": true
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "required": [
+    "query_summary",
+    "tasks",
+    "pagination"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/creative/asset-types/index.json b/dist/schemas/2.5.2/creative/asset-types/index.json
new file mode 100644
index 0000000000..a42e81e8bd
--- /dev/null
+++ b/dist/schemas/2.5.2/creative/asset-types/index.json
@@ -0,0 +1,106 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/creative/asset-types/index.json",
+  "title": "AdCP Asset Type Registry",
+  "description": "Registry of asset types used in AdCP creative manifests. Each asset type defines the structure of actual content payloads (what you send), not requirements or constraints (which belong in format specifications).",
+  "version": "1.0.0",
+  "lastUpdated": "2026-01-07",
+  "asset_types": {
+    "image": {
+      "description": "Static image asset (JPG, PNG, GIF, WebP, SVG)",
+      "schema": "/schemas/core/assets/image-asset.json",
+      "typical_use": "Hero images, logos, product photos, backgrounds"
+    },
+    "video": {
+      "description": "Hosted video file asset (MP4, WebM, MOV)",
+      "schema": "/schemas/core/assets/video-asset.json",
+      "typical_use": "Video ads, product demos, brand stories"
+    },
+    "audio": {
+      "description": "Audio file asset (MP3, AAC, M4A, WAV, OGG)",
+      "schema": "/schemas/core/assets/audio-asset.json",
+      "typical_use": "Audio ads for streaming, podcasts, radio"
+    },
+    "vast": {
+      "description": "VAST XML tag for third-party video ad serving",
+      "schema": "/schemas/core/assets/vast-asset.json",
+      "typical_use": "Third-party served video ads with VAST 2.0-4.2"
+    },
+    "daast": {
+      "description": "DAAST XML tag for third-party audio ad serving",
+      "schema": "/schemas/core/assets/daast-asset.json",
+      "typical_use": "Third-party served audio ads with DAAST 1.0-1.1"
+    },
+    "text": {
+      "description": "Plain text content asset",
+      "schema": "/schemas/core/assets/text-asset.json",
+      "typical_use": "Headlines, descriptions, CTAs, body copy, disclaimers"
+    },
+    "markdown": {
+      "description": "Markdown-formatted text content (CommonMark/GFM)",
+      "schema": "/schemas/core/assets/markdown-asset.json",
+      "typical_use": "Product specifications, format documentation, rich descriptions, structured content"
+    },
+    "url": {
+      "description": "URL asset for clickthrough, tracking, landing pages",
+      "schema": "/schemas/core/assets/url-asset.json",
+      "typical_use": "Clickthrough URLs, tracking pixels, impression trackers"
+    },
+    "html": {
+      "description": "HTML5 creative asset for interactive ads",
+      "schema": "/schemas/core/assets/html-asset.json",
+      "typical_use": "HTML5 display banners, rich media, interactive ads"
+    },
+    "css": {
+      "description": "CSS stylesheet asset for styling",
+      "schema": "/schemas/core/assets/css-asset.json",
+      "typical_use": "Stylesheets for HTML5 creatives, custom styling"
+    },
+    "webhook": {
+      "description": "Server-side webhook for dynamic creative rendering",
+      "schema": "/schemas/core/assets/webhook-asset.json",
+      "typical_use": "DCO (Dynamic Creative Optimization), real-time personalization, server-side rendering"
+    },
+    "javascript": {
+      "description": "JavaScript code for dynamic creative logic",
+      "schema": "/schemas/core/assets/javascript-asset.json",
+      "typical_use": "Third-party tags, custom interaction logic, analytics"
+    },
+    "promoted_offerings": {
+      "description": "Brand manifest and product selectors for generative creative formats",
+      "schema": "/schemas/core/promoted-offerings.json",
+      "typical_use": "AI-generated creatives that need brand context and product information"
+    }
+  },
+  "architecture": {
+    "payload_vs_requirements": {
+      "description": "Asset schemas define PAYLOAD structure (what you send), not constraints or requirements",
+      "payload_examples": [
+        "url, width, height, content, duration_ms, format"
+      ],
+      "requirement_examples": [
+        "max_file_size, required: true/false, min_duration, max_duration"
+      ],
+      "where_requirements_go": "Format specifications contain all constraints in the 'requirements' field of each asset_required item"
+    },
+    "format_aware_validation": {
+      "description": "Creative manifests are validated in the context of their format specification",
+      "process": [
+        "1. Read format_id from manifest",
+        "2. Fetch format specification",
+        "3. For each asset in manifest, look up asset_id in format's assets_required",
+        "4. Validate asset matches the type and requirements defined in the format"
+      ]
+    }
+  },
+  "usage_notes": {
+    "format_specs": "Format specifications define what asset_ids are required (e.g., 'hero_image', 'logo'). Each defines its asset type and constraints (dimensions, file size, etc.).",
+    "creative_manifests": "Creative manifests provide actual asset content, keyed by asset_id from the format. Asset type is determined by the format specification, not declared in the payload.",
+    "example_flow": "Format says 'hero_image' must be type 'image' with width 1200, height 627. Manifest provides hero_image: {url: '...', width: 1200, height: 627}. The format spec tells us it's an image type."
+  },
+  "adcp_version": "2.5.2",
+  "baseUrl": "/schemas/2.5.2",
+  "versioning": {
+    "note": "AdCP uses build-time versioning. This directory contains schemas for AdCP 2.5.2. Full semantic versions are available at /schemas/{version}/ (e.g., /schemas/2.5.0/). Major version aliases point to the latest release: /schemas/v2/ → /schemas/2.5.2/."
+  }
+}
\ No newline at end of file
diff --git a/dist/schemas/2.5.2/creative/list-creative-formats-request.json b/dist/schemas/2.5.2/creative/list-creative-formats-request.json
new file mode 100644
index 0000000000..1cdb61d54e
--- /dev/null
+++ b/dist/schemas/2.5.2/creative/list-creative-formats-request.json
@@ -0,0 +1,73 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/creative/list-creative-formats-request.json",
+  "title": "List Creative Formats Request (Creative Agent)",
+  "description": "Request parameters for discovering creative formats provided by this creative agent",
+  "type": "object",
+  "properties": {
+    "format_ids": {
+      "type": "array",
+      "description": "Return only these specific format IDs",
+      "items": {
+        "$ref": "/schemas/2.5.2/core/format-id.json"
+      }
+    },
+    "type": {
+      "type": "string",
+      "description": "Filter by format type (technical categories with distinct requirements)",
+      "enum": [
+        "audio",
+        "video",
+        "display",
+        "dooh"
+      ]
+    },
+    "asset_types": {
+      "type": "array",
+      "description": "Filter to formats that include these asset types. For third-party tags, search for 'html' or 'javascript'. E.g., ['image', 'text'] returns formats with images and text, ['javascript'] returns formats accepting JavaScript tags.",
+      "items": {
+        "type": "string",
+        "enum": [
+          "image",
+          "video",
+          "audio",
+          "text",
+          "html",
+          "javascript",
+          "url"
+        ]
+      }
+    },
+    "max_width": {
+      "type": "integer",
+      "description": "Maximum width in pixels (inclusive). Returns formats with width <= this value. Omit for responsive/fluid formats."
+    },
+    "max_height": {
+      "type": "integer",
+      "description": "Maximum height in pixels (inclusive). Returns formats with height <= this value. Omit for responsive/fluid formats."
+    },
+    "min_width": {
+      "type": "integer",
+      "description": "Minimum width in pixels (inclusive). Returns formats with width >= this value."
+    },
+    "min_height": {
+      "type": "integer",
+      "description": "Minimum height in pixels (inclusive). Returns formats with height >= this value."
+    },
+    "is_responsive": {
+      "type": "boolean",
+      "description": "Filter for responsive formats that adapt to container size. When true, returns formats without fixed dimensions."
+    },
+    "name_search": {
+      "type": "string",
+      "description": "Search for formats by name (case-insensitive partial match)"
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/creative/list-creative-formats-response.json b/dist/schemas/2.5.2/creative/list-creative-formats-response.json
new file mode 100644
index 0000000000..edc71c4136
--- /dev/null
+++ b/dist/schemas/2.5.2/creative/list-creative-formats-response.json
@@ -0,0 +1,61 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/creative/list-creative-formats-response.json",
+  "title": "List Creative Formats Response (Creative Agent)",
+  "description": "Response payload for list_creative_formats task from creative agent - returns full format definitions",
+  "type": "object",
+  "properties": {
+    "formats": {
+      "type": "array",
+      "description": "Full format definitions for all formats this agent supports. Each format's authoritative source is indicated by its agent_url field.",
+      "items": {
+        "$ref": "/schemas/2.5.2/core/format.json"
+      }
+    },
+    "creative_agents": {
+      "type": "array",
+      "description": "Optional: Creative agents that provide additional formats. Buyers can recursively query these agents to discover more formats. No authentication required for list_creative_formats.",
+      "items": {
+        "type": "object",
+        "properties": {
+          "agent_url": {
+            "type": "string",
+            "format": "uri",
+            "description": "Base URL for the creative agent (e.g., 'https://reference.adcp.org', 'https://dco.example.com'). Call list_creative_formats on this URL to get its formats."
+          },
+          "agent_name": {
+            "type": "string",
+            "description": "Human-readable name for the creative agent"
+          },
+          "capabilities": {
+            "type": "array",
+            "description": "Capabilities this creative agent provides",
+            "items": {
+              "$ref": "/schemas/2.5.2/enums/creative-agent-capability.json"
+            }
+          }
+        },
+        "required": [
+          "agent_url"
+        ]
+      }
+    },
+    "errors": {
+      "type": "array",
+      "description": "Task-specific errors and warnings",
+      "items": {
+        "$ref": "/schemas/2.5.2/core/error.json"
+      }
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "required": [
+    "formats"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/creative/preview-creative-request.json b/dist/schemas/2.5.2/creative/preview-creative-request.json
new file mode 100644
index 0000000000..8eef6ac600
--- /dev/null
+++ b/dist/schemas/2.5.2/creative/preview-creative-request.json
@@ -0,0 +1,164 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/creative/preview-creative-request.json",
+  "title": "Preview Creative Request",
+  "description": "Request to generate previews of one or more creative manifests. Accepts either a single creative request or an array of requests for batch processing.",
+  "oneOf": [
+    {
+      "type": "object",
+      "description": "Single creative preview request",
+      "properties": {
+        "request_type": {
+          "type": "string",
+          "const": "single",
+          "description": "Discriminator indicating this is a single preview request"
+        },
+        "format_id": {
+          "$ref": "/schemas/2.5.2/core/format-id.json",
+          "description": "Format identifier for rendering the preview"
+        },
+        "creative_manifest": {
+          "$ref": "/schemas/2.5.2/core/creative-manifest.json",
+          "description": "Complete creative manifest with all required assets (including promoted_offerings if required by the format)"
+        },
+        "inputs": {
+          "type": "array",
+          "description": "Array of input sets for generating multiple preview variants. Each input set defines macros and context values for one preview rendering. If not provided, creative agent will generate default previews.",
+          "items": {
+            "type": "object",
+            "properties": {
+              "name": {
+                "type": "string",
+                "description": "Human-readable name for this input set (e.g., 'Sunny morning on mobile', 'Evening podcast ad', 'Desktop dark mode')"
+              },
+              "macros": {
+                "type": "object",
+                "description": "Macro values to use for this preview. Supports all universal macros from the format's supported_macros list. See docs/creative/universal-macros.md for available macros.",
+                "additionalProperties": {
+                  "type": "string"
+                }
+              },
+              "context_description": {
+                "type": "string",
+                "description": "Natural language description of the context for AI-generated content (e.g., 'User just searched for running shoes', 'Podcast discussing weather patterns', 'Article about electric vehicles')"
+              }
+            },
+            "required": [
+              "name"
+            ],
+            "additionalProperties": true
+          }
+        },
+        "template_id": {
+          "type": "string",
+          "description": "Specific template ID for custom format rendering"
+        },
+        "output_format": {
+          "$ref": "/schemas/2.5.2/enums/preview-output-format.json",
+          "default": "url",
+          "description": "Output format for previews. 'url' returns preview_url (iframe-embeddable URL), 'html' returns preview_html (raw HTML for direct embedding). Default: 'url' for backward compatibility."
+        },
+        "context": {
+          "$ref": "/schemas/2.5.2/core/context.json"
+        },
+        "ext": {
+          "$ref": "/schemas/2.5.2/core/ext.json"
+        }
+      },
+      "required": [
+        "request_type",
+        "format_id",
+        "creative_manifest"
+      ],
+      "additionalProperties": true
+    },
+    {
+      "type": "object",
+      "description": "Batch preview request for multiple creatives (5-10x faster than individual calls)",
+      "properties": {
+        "request_type": {
+          "type": "string",
+          "const": "batch",
+          "description": "Discriminator indicating this is a batch preview request"
+        },
+        "requests": {
+          "type": "array",
+          "description": "Array of preview requests (1-50 items). Each follows the single request structure.",
+          "items": {
+            "type": "object",
+            "properties": {
+              "format_id": {
+                "$ref": "/schemas/2.5.2/core/format-id.json",
+                "description": "Format identifier for rendering the preview"
+              },
+              "creative_manifest": {
+                "$ref": "/schemas/2.5.2/core/creative-manifest.json",
+                "description": "Complete creative manifest with all required assets"
+              },
+              "inputs": {
+                "type": "array",
+                "description": "Array of input sets for generating multiple preview variants",
+                "items": {
+                  "type": "object",
+                  "properties": {
+                    "name": {
+                      "type": "string",
+                      "description": "Human-readable name for this input set"
+                    },
+                    "macros": {
+                      "type": "object",
+                      "description": "Macro values to use for this preview",
+                      "additionalProperties": {
+                        "type": "string"
+                      }
+                    },
+                    "context_description": {
+                      "type": "string",
+                      "description": "Natural language description of the context for AI-generated content"
+                    }
+                  },
+                  "required": [
+                    "name"
+                  ],
+                  "additionalProperties": true
+                }
+              },
+              "template_id": {
+                "type": "string",
+                "description": "Specific template ID for custom format rendering"
+              },
+              "output_format": {
+                "$ref": "/schemas/2.5.2/enums/preview-output-format.json",
+                "default": "url",
+                "description": "Output format for this preview. 'url' returns preview_url, 'html' returns preview_html."
+              }
+            },
+            "required": [
+              "format_id",
+              "creative_manifest"
+            ],
+            "additionalProperties": true
+          },
+          "minItems": 1,
+          "maxItems": 50
+        },
+        "output_format": {
+          "$ref": "/schemas/2.5.2/enums/preview-output-format.json",
+          "default": "url",
+          "description": "Default output format for all requests in this batch. Individual requests can override this. 'url' returns preview_url (iframe-embeddable URL), 'html' returns preview_html (raw HTML for direct embedding)."
+        },
+        "context": {
+          "$ref": "/schemas/2.5.2/core/context.json"
+        },
+        "ext": {
+          "$ref": "/schemas/2.5.2/core/ext.json"
+        }
+      },
+      "required": [
+        "request_type",
+        "requests"
+      ],
+      "additionalProperties": true
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/creative/preview-creative-response.json b/dist/schemas/2.5.2/creative/preview-creative-response.json
new file mode 100644
index 0000000000..4d618dec9e
--- /dev/null
+++ b/dist/schemas/2.5.2/creative/preview-creative-response.json
@@ -0,0 +1,245 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/creative/preview-creative-response.json",
+  "title": "Preview Creative Response",
+  "description": "Response containing preview links for one or more creatives. Format matches the request: single preview response for single requests, batch results for batch requests.",
+  "oneOf": [
+    {
+      "title": "PreviewCreativeSingleResponse",
+      "type": "object",
+      "description": "Single preview response - each preview URL returns an HTML page that can be embedded in an iframe",
+      "properties": {
+        "response_type": {
+          "type": "string",
+          "const": "single",
+          "description": "Discriminator indicating this is a single preview response"
+        },
+        "previews": {
+          "type": "array",
+          "description": "Array of preview variants. Each preview corresponds to an input set from the request. If no inputs were provided, returns a single default preview.",
+          "items": {
+            "type": "object",
+            "properties": {
+              "preview_id": {
+                "type": "string",
+                "description": "Unique identifier for this preview variant"
+              },
+              "renders": {
+                "type": "array",
+                "description": "Array of rendered pieces for this preview variant. Most formats render as a single piece. Companion ad formats (video + banner), multi-placement formats, and adaptive formats render as multiple pieces.",
+                "items": {
+                  "$ref": "/schemas/2.5.2/creative/preview-render.json"
+                },
+                "minItems": 1
+              },
+              "input": {
+                "type": "object",
+                "description": "The input parameters that generated this preview variant. Echoes back the request input or shows defaults used.",
+                "properties": {
+                  "name": {
+                    "type": "string",
+                    "description": "Human-readable name for this variant"
+                  },
+                  "macros": {
+                    "type": "object",
+                    "description": "Macro values applied to this variant",
+                    "additionalProperties": {
+                      "type": "string"
+                    }
+                  },
+                  "context_description": {
+                    "type": "string",
+                    "description": "Context description applied to this variant"
+                  }
+                },
+                "required": [
+                  "name"
+                ]
+              }
+            },
+            "required": [
+              "preview_id",
+              "renders",
+              "input"
+            ]
+          },
+          "minItems": 1
+        },
+        "interactive_url": {
+          "type": "string",
+          "format": "uri",
+          "description": "Optional URL to an interactive testing page that shows all preview variants with controls to switch between them, modify macro values, and test different scenarios."
+        },
+        "expires_at": {
+          "type": "string",
+          "format": "date-time",
+          "description": "ISO 8601 timestamp when preview links expire"
+        },
+        "context": {
+          "$ref": "/schemas/2.5.2/core/context.json"
+        },
+        "ext": {
+          "$ref": "/schemas/2.5.2/core/ext.json"
+        }
+      },
+      "required": [
+        "response_type",
+        "previews",
+        "expires_at"
+      ],
+      "additionalProperties": true
+    },
+    {
+      "title": "PreviewCreativeBatchResponse",
+      "type": "object",
+      "description": "Batch preview response - contains results for multiple creative requests",
+      "properties": {
+        "response_type": {
+          "type": "string",
+          "const": "batch",
+          "description": "Discriminator indicating this is a batch preview response"
+        },
+        "results": {
+          "type": "array",
+          "description": "Array of preview results corresponding to each request in the same order. results[0] is the result for requests[0], results[1] for requests[1], etc. Order is guaranteed even when some requests fail. Each result contains either a successful preview response or an error.",
+          "items": {
+            "type": "object",
+            "properties": {
+              "success": {
+                "type": "boolean",
+                "description": "Whether this preview request succeeded"
+              },
+              "response": {
+                "type": "object",
+                "description": "Preview response for successful requests",
+                "properties": {
+                  "previews": {
+                    "type": "array",
+                    "description": "Array of preview variants for this creative",
+                    "items": {
+                      "type": "object",
+                      "properties": {
+                        "preview_id": {
+                          "type": "string"
+                        },
+                        "renders": {
+                          "type": "array",
+                          "items": {
+                            "$ref": "/schemas/2.5.2/creative/preview-render.json"
+                          },
+                          "minItems": 1
+                        },
+                        "input": {
+                          "type": "object",
+                          "properties": {
+                            "name": {
+                              "type": "string"
+                            },
+                            "macros": {
+                              "type": "object",
+                              "additionalProperties": {
+                                "type": "string"
+                              }
+                            },
+                            "context_description": {
+                              "type": "string"
+                            }
+                          },
+                          "required": [
+                            "name"
+                          ]
+                        }
+                      },
+                      "required": [
+                        "preview_id",
+                        "renders",
+                        "input"
+                      ]
+                    },
+                    "minItems": 1
+                  },
+                  "interactive_url": {
+                    "type": "string",
+                    "format": "uri"
+                  },
+                  "expires_at": {
+                    "type": "string",
+                    "format": "date-time"
+                  }
+                },
+                "required": [
+                  "previews",
+                  "expires_at"
+                ]
+              },
+              "error": {
+                "type": "object",
+                "description": "Error information for failed requests",
+                "properties": {
+                  "code": {
+                    "type": "string",
+                    "description": "Error code (e.g., 'invalid_manifest', 'unsupported_format', 'missing_assets')"
+                  },
+                  "message": {
+                    "type": "string",
+                    "description": "Human-readable error message"
+                  },
+                  "details": {
+                    "type": "object",
+                    "description": "Additional error context",
+                    "additionalProperties": true
+                  }
+                },
+                "required": [
+                  "code",
+                  "message"
+                ]
+              }
+            },
+            "required": [
+              "success"
+            ],
+            "oneOf": [
+              {
+                "title": "PreviewBatchResultSuccess",
+                "properties": {
+                  "success": {
+                    "type": "boolean",
+                    "const": true
+                  }
+                },
+                "required": [
+                  "response"
+                ]
+              },
+              {
+                "title": "PreviewBatchResultError",
+                "properties": {
+                  "success": {
+                    "type": "boolean",
+                    "const": false
+                  }
+                },
+                "required": [
+                  "error"
+                ]
+              }
+            ]
+          },
+          "minItems": 1
+        },
+        "context": {
+          "$ref": "/schemas/2.5.2/core/context.json"
+        },
+        "ext": {
+          "$ref": "/schemas/2.5.2/core/ext.json"
+        }
+      },
+      "required": [
+        "response_type",
+        "results"
+      ],
+      "additionalProperties": true
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/creative/preview-render.json b/dist/schemas/2.5.2/creative/preview-render.json
new file mode 100644
index 0000000000..bad77b72b8
--- /dev/null
+++ b/dist/schemas/2.5.2/creative/preview-render.json
@@ -0,0 +1,225 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/creative/preview-render.json",
+  "title": "Preview Render",
+  "description": "A single rendered piece of a creative preview with discriminated output format",
+  "oneOf": [
+    {
+      "type": "object",
+      "description": "URL-only preview format",
+      "properties": {
+        "render_id": {
+          "type": "string",
+          "description": "Unique identifier for this rendered piece within the variant"
+        },
+        "output_format": {
+          "type": "string",
+          "const": "url",
+          "description": "Discriminator indicating preview_url is provided"
+        },
+        "preview_url": {
+          "type": "string",
+          "format": "uri",
+          "description": "URL to an HTML page that renders this piece. Can be embedded in an iframe."
+        },
+        "role": {
+          "type": "string",
+          "description": "Semantic role of this rendered piece. Use 'primary' for main content, 'companion' for associated banners, descriptive strings for device variants or custom roles."
+        },
+        "dimensions": {
+          "type": "object",
+          "description": "Dimensions for this rendered piece",
+          "properties": {
+            "width": {
+              "type": "number",
+              "minimum": 0
+            },
+            "height": {
+              "type": "number",
+              "minimum": 0
+            }
+          },
+          "required": [
+            "width",
+            "height"
+          ]
+        },
+        "embedding": {
+          "type": "object",
+          "description": "Optional security and embedding metadata for safe iframe integration",
+          "properties": {
+            "recommended_sandbox": {
+              "type": "string",
+              "description": "Recommended iframe sandbox attribute value (e.g., 'allow-scripts allow-same-origin')"
+            },
+            "requires_https": {
+              "type": "boolean",
+              "description": "Whether this output requires HTTPS for secure embedding"
+            },
+            "supports_fullscreen": {
+              "type": "boolean",
+              "description": "Whether this output supports fullscreen mode"
+            },
+            "csp_policy": {
+              "type": "string",
+              "description": "Content Security Policy requirements for embedding"
+            }
+          }
+        }
+      },
+      "required": [
+        "render_id",
+        "output_format",
+        "preview_url",
+        "role"
+      ],
+      "additionalProperties": true
+    },
+    {
+      "type": "object",
+      "description": "HTML-only preview format",
+      "properties": {
+        "render_id": {
+          "type": "string",
+          "description": "Unique identifier for this rendered piece within the variant"
+        },
+        "output_format": {
+          "type": "string",
+          "const": "html",
+          "description": "Discriminator indicating preview_html is provided"
+        },
+        "preview_html": {
+          "type": "string",
+          "description": "Raw HTML for this rendered piece. Can be embedded directly in the page without iframe. Security warning: Only use with trusted creative agents as this bypasses iframe sandboxing."
+        },
+        "role": {
+          "type": "string",
+          "description": "Semantic role of this rendered piece. Use 'primary' for main content, 'companion' for associated banners, descriptive strings for device variants or custom roles."
+        },
+        "dimensions": {
+          "type": "object",
+          "description": "Dimensions for this rendered piece",
+          "properties": {
+            "width": {
+              "type": "number",
+              "minimum": 0
+            },
+            "height": {
+              "type": "number",
+              "minimum": 0
+            }
+          },
+          "required": [
+            "width",
+            "height"
+          ]
+        },
+        "embedding": {
+          "type": "object",
+          "description": "Optional security and embedding metadata",
+          "properties": {
+            "recommended_sandbox": {
+              "type": "string",
+              "description": "Recommended iframe sandbox attribute value (e.g., 'allow-scripts allow-same-origin')"
+            },
+            "requires_https": {
+              "type": "boolean",
+              "description": "Whether this output requires HTTPS for secure embedding"
+            },
+            "supports_fullscreen": {
+              "type": "boolean",
+              "description": "Whether this output supports fullscreen mode"
+            },
+            "csp_policy": {
+              "type": "string",
+              "description": "Content Security Policy requirements for embedding"
+            }
+          }
+        }
+      },
+      "required": [
+        "render_id",
+        "output_format",
+        "preview_html",
+        "role"
+      ],
+      "additionalProperties": true
+    },
+    {
+      "type": "object",
+      "description": "Both URL and HTML preview format",
+      "properties": {
+        "render_id": {
+          "type": "string",
+          "description": "Unique identifier for this rendered piece within the variant"
+        },
+        "output_format": {
+          "type": "string",
+          "const": "both",
+          "description": "Discriminator indicating both preview_url and preview_html are provided"
+        },
+        "preview_url": {
+          "type": "string",
+          "format": "uri",
+          "description": "URL to an HTML page that renders this piece. Can be embedded in an iframe."
+        },
+        "preview_html": {
+          "type": "string",
+          "description": "Raw HTML for this rendered piece. Can be embedded directly in the page without iframe. Security warning: Only use with trusted creative agents as this bypasses iframe sandboxing."
+        },
+        "role": {
+          "type": "string",
+          "description": "Semantic role of this rendered piece. Use 'primary' for main content, 'companion' for associated banners, descriptive strings for device variants or custom roles."
+        },
+        "dimensions": {
+          "type": "object",
+          "description": "Dimensions for this rendered piece",
+          "properties": {
+            "width": {
+              "type": "number",
+              "minimum": 0
+            },
+            "height": {
+              "type": "number",
+              "minimum": 0
+            }
+          },
+          "required": [
+            "width",
+            "height"
+          ]
+        },
+        "embedding": {
+          "type": "object",
+          "description": "Optional security and embedding metadata for safe iframe integration",
+          "properties": {
+            "recommended_sandbox": {
+              "type": "string",
+              "description": "Recommended iframe sandbox attribute value (e.g., 'allow-scripts allow-same-origin')"
+            },
+            "requires_https": {
+              "type": "boolean",
+              "description": "Whether this output requires HTTPS for secure embedding"
+            },
+            "supports_fullscreen": {
+              "type": "boolean",
+              "description": "Whether this output supports fullscreen mode"
+            },
+            "csp_policy": {
+              "type": "string",
+              "description": "Content Security Policy requirements for embedding"
+            }
+          }
+        }
+      },
+      "required": [
+        "render_id",
+        "output_format",
+        "preview_url",
+        "preview_html",
+        "role"
+      ],
+      "additionalProperties": true
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/adcp-domain.json b/dist/schemas/2.5.2/enums/adcp-domain.json
new file mode 100644
index 0000000000..61ba4a8f40
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/adcp-domain.json
@@ -0,0 +1,11 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/adcp-domain.json",
+  "title": "AdCP Domain",
+  "description": "AdCP protocol domains for task categorization",
+  "type": "string",
+  "enum": [
+    "media-buy",
+    "signals"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/asset-content-type.json b/dist/schemas/2.5.2/enums/asset-content-type.json
new file mode 100644
index 0000000000..3a884e5b5f
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/asset-content-type.json
@@ -0,0 +1,22 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/asset-content-type.json",
+  "title": "Asset Content Type",
+  "description": "Types of content that can be used as creative assets. Describes what KIND of content an asset contains (image, video, code, etc.), not where it displays.",
+  "type": "string",
+  "enum": [
+    "image",
+    "video",
+    "audio",
+    "text",
+    "markdown",
+    "html",
+    "css",
+    "javascript",
+    "vast",
+    "daast",
+    "promoted_offerings",
+    "url",
+    "webhook"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/auth-scheme.json b/dist/schemas/2.5.2/enums/auth-scheme.json
new file mode 100644
index 0000000000..5de4848900
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/auth-scheme.json
@@ -0,0 +1,11 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/auth-scheme.json",
+  "title": "Authentication Scheme",
+  "description": "Authentication schemes for push notification endpoints",
+  "type": "string",
+  "enum": [
+    "Bearer",
+    "HMAC-SHA256"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/available-metric.json b/dist/schemas/2.5.2/enums/available-metric.json
new file mode 100644
index 0000000000..a9a66bd43c
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/available-metric.json
@@ -0,0 +1,18 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/available-metric.json",
+  "title": "Available Metric",
+  "description": "Standard delivery and performance metrics available for reporting",
+  "type": "string",
+  "enum": [
+    "impressions",
+    "spend",
+    "clicks",
+    "ctr",
+    "video_completions",
+    "completion_rate",
+    "conversions",
+    "viewability",
+    "engagement_rate"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/channels.json b/dist/schemas/2.5.2/enums/channels.json
new file mode 100644
index 0000000000..e1ec32fd71
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/channels.json
@@ -0,0 +1,18 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/channels.json",
+  "title": "Advertising Channels",
+  "description": "Standard advertising channels supported by AdCP",
+  "type": "string",
+  "enum": [
+    "display",
+    "video",
+    "audio",
+    "native",
+    "dooh",
+    "ctv",
+    "podcast",
+    "retail",
+    "social"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/co-branding-requirement.json b/dist/schemas/2.5.2/enums/co-branding-requirement.json
new file mode 100644
index 0000000000..f78e1df214
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/co-branding-requirement.json
@@ -0,0 +1,12 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/co-branding-requirement.json",
+  "title": "Co-Branding Requirement",
+  "description": "Co-branding policy for creatives (retailer/publisher brand inclusion)",
+  "type": "string",
+  "enum": [
+    "required",
+    "optional",
+    "none"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/creative-action.json b/dist/schemas/2.5.2/enums/creative-action.json
new file mode 100644
index 0000000000..0077b49e04
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/creative-action.json
@@ -0,0 +1,14 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/creative-action.json",
+  "title": "Creative Action",
+  "description": "Action taken on a creative during sync operation",
+  "type": "string",
+  "enum": [
+    "created",
+    "updated",
+    "unchanged",
+    "failed",
+    "deleted"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/creative-agent-capability.json b/dist/schemas/2.5.2/enums/creative-agent-capability.json
new file mode 100644
index 0000000000..8d6f58e3c8
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/creative-agent-capability.json
@@ -0,0 +1,13 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/creative-agent-capability.json",
+  "title": "Creative Agent Capability",
+  "description": "Capabilities supported by creative agents for format handling",
+  "type": "string",
+  "enum": [
+    "validation",
+    "assembly",
+    "generation",
+    "preview"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/creative-sort-field.json b/dist/schemas/2.5.2/enums/creative-sort-field.json
new file mode 100644
index 0000000000..6d21aad01d
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/creative-sort-field.json
@@ -0,0 +1,15 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/creative-sort-field.json",
+  "title": "Creative Sort Field",
+  "description": "Fields available for sorting creative library listings",
+  "type": "string",
+  "enum": [
+    "created_date",
+    "updated_date",
+    "name",
+    "status",
+    "assignment_count",
+    "performance_score"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/creative-status.json b/dist/schemas/2.5.2/enums/creative-status.json
new file mode 100644
index 0000000000..3fefa909d0
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/creative-status.json
@@ -0,0 +1,19 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/creative-status.json",
+  "title": "Creative Status",
+  "description": "Status of a creative asset",
+  "type": "string",
+  "enum": [
+    "processing",
+    "approved",
+    "rejected",
+    "pending_review"
+  ],
+  "enumDescriptions": {
+    "processing": "Creative is being processed or transcoded",
+    "approved": "Creative has been approved and is ready for delivery",
+    "rejected": "Creative has been rejected due to policy or technical issues",
+    "pending_review": "Creative is under review"
+  }
+}
diff --git a/dist/schemas/2.5.2/enums/daast-tracking-event.json b/dist/schemas/2.5.2/enums/daast-tracking-event.json
new file mode 100644
index 0000000000..26d3c54281
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/daast-tracking-event.json
@@ -0,0 +1,20 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/daast-tracking-event.json",
+  "title": "DAAST Tracking Event",
+  "description": "Standard DAAST tracking events for audio ad playback and interaction",
+  "type": "string",
+  "enum": [
+    "start",
+    "firstQuartile",
+    "midpoint",
+    "thirdQuartile",
+    "complete",
+    "impression",
+    "pause",
+    "resume",
+    "skip",
+    "mute",
+    "unmute"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/daast-version.json b/dist/schemas/2.5.2/enums/daast-version.json
new file mode 100644
index 0000000000..0999b3b511
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/daast-version.json
@@ -0,0 +1,11 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/daast-version.json",
+  "title": "DAAST Version",
+  "description": "Supported DAAST (Digital Audio Ad Serving Template) specification versions",
+  "type": "string",
+  "enum": [
+    "1.0",
+    "1.1"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/delivery-type.json b/dist/schemas/2.5.2/enums/delivery-type.json
new file mode 100644
index 0000000000..f2abbe4334
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/delivery-type.json
@@ -0,0 +1,15 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/delivery-type.json",
+  "title": "Delivery Type",
+  "description": "Type of inventory delivery",
+  "type": "string",
+  "enum": [
+    "guaranteed",
+    "non_guaranteed"
+  ],
+  "enumDescriptions": {
+    "guaranteed": "Reserved inventory with guaranteed delivery",
+    "non_guaranteed": "Auction-based inventory without delivery guarantees"
+  }
+}
diff --git a/dist/schemas/2.5.2/enums/dimension-unit.json b/dist/schemas/2.5.2/enums/dimension-unit.json
new file mode 100644
index 0000000000..b284259c45
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/dimension-unit.json
@@ -0,0 +1,13 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/dimension-unit.json",
+  "title": "Dimension Unit",
+  "description": "Units of measurement for creative format dimensions",
+  "type": "string",
+  "enum": [
+    "px",
+    "dp",
+    "inches",
+    "cm"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/feed-format.json b/dist/schemas/2.5.2/enums/feed-format.json
new file mode 100644
index 0000000000..ae84a357ce
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/feed-format.json
@@ -0,0 +1,12 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/feed-format.json",
+  "title": "Feed Format",
+  "description": "Product catalog feed format types",
+  "type": "string",
+  "enum": [
+    "google_merchant_center",
+    "facebook_catalog",
+    "custom"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/feedback-source.json b/dist/schemas/2.5.2/enums/feedback-source.json
new file mode 100644
index 0000000000..d30352d8d8
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/feedback-source.json
@@ -0,0 +1,13 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/feedback-source.json",
+  "title": "Feedback Source",
+  "description": "Source of performance feedback data",
+  "type": "string",
+  "enum": [
+    "buyer_attribution",
+    "third_party_measurement",
+    "platform_analytics",
+    "verification_partner"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/format-category.json b/dist/schemas/2.5.2/enums/format-category.json
new file mode 100644
index 0000000000..d58e85767b
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/format-category.json
@@ -0,0 +1,16 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/format-category.json",
+  "title": "Format Category",
+  "description": "High-level categories for creative formats based on media type and delivery channel. Describes WHERE and HOW a creative displays, not what content it contains.",
+  "type": "string",
+  "enum": [
+    "audio",
+    "video",
+    "display",
+    "native",
+    "dooh",
+    "rich_media",
+    "universal"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/format-id-parameter.json b/dist/schemas/2.5.2/enums/format-id-parameter.json
new file mode 100644
index 0000000000..1f2305aa29
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/format-id-parameter.json
@@ -0,0 +1,11 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/format-id-parameter.json",
+  "title": "Format ID Parameter",
+  "description": "Types of parameters that template formats accept in format_id objects to create parameterized format identifiers",
+  "type": "string",
+  "enum": [
+    "dimensions",
+    "duration"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/frequency-cap-scope.json b/dist/schemas/2.5.2/enums/frequency-cap-scope.json
new file mode 100644
index 0000000000..a8a8252d6b
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/frequency-cap-scope.json
@@ -0,0 +1,13 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/frequency-cap-scope.json",
+  "title": "Frequency Cap Scope",
+  "description": "Scope for frequency cap application",
+  "type": "string",
+  "enum": [
+    "package"
+  ],
+  "enumDescriptions": {
+    "package": "Apply frequency cap at the package level"
+  }
+}
diff --git a/dist/schemas/2.5.2/enums/history-entry-type.json b/dist/schemas/2.5.2/enums/history-entry-type.json
new file mode 100644
index 0000000000..17fc1a88d4
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/history-entry-type.json
@@ -0,0 +1,11 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/history-entry-type.json",
+  "title": "History Entry Type",
+  "description": "Type of entry in task execution history",
+  "type": "string",
+  "enum": [
+    "request",
+    "response"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/http-method.json b/dist/schemas/2.5.2/enums/http-method.json
new file mode 100644
index 0000000000..ae157e2930
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/http-method.json
@@ -0,0 +1,11 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/http-method.json",
+  "title": "HTTP Method",
+  "description": "HTTP methods supported for webhook requests",
+  "type": "string",
+  "enum": [
+    "GET",
+    "POST"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/identifier-types.json b/dist/schemas/2.5.2/enums/identifier-types.json
new file mode 100644
index 0000000000..b702e60a53
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/identifier-types.json
@@ -0,0 +1,34 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/identifier-types.json",
+  "title": "Property Identifier Types",
+  "description": "Valid identifier types for property identification across different media types",
+  "type": "string",
+  "enum": [
+    "domain",
+    "subdomain",
+    "network_id",
+    "ios_bundle",
+    "android_package",
+    "apple_app_store_id",
+    "google_play_id",
+    "roku_store_id",
+    "fire_tv_asin",
+    "samsung_app_id",
+    "apple_tv_bundle",
+    "bundle_id",
+    "venue_id",
+    "screen_id",
+    "openooh_venue_type",
+    "rss_url",
+    "apple_podcast_id",
+    "spotify_show_id",
+    "podcast_guid"
+  ],
+  "examples": [
+    "domain",
+    "ios_bundle",
+    "venue_id",
+    "apple_podcast_id"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/javascript-module-type.json b/dist/schemas/2.5.2/enums/javascript-module-type.json
new file mode 100644
index 0000000000..3f3f43e61a
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/javascript-module-type.json
@@ -0,0 +1,12 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/javascript-module-type.json",
+  "title": "JavaScript Module Type",
+  "description": "JavaScript module format types for creative assets",
+  "type": "string",
+  "enum": [
+    "esm",
+    "commonjs",
+    "script"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/landing-page-requirement.json b/dist/schemas/2.5.2/enums/landing-page-requirement.json
new file mode 100644
index 0000000000..0997cd456a
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/landing-page-requirement.json
@@ -0,0 +1,12 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/landing-page-requirement.json",
+  "title": "Landing Page Requirement",
+  "description": "Landing page policy for creative click-through destinations",
+  "type": "string",
+  "enum": [
+    "any",
+    "retailer_site_only",
+    "must_include_retailer"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/markdown-flavor.json b/dist/schemas/2.5.2/enums/markdown-flavor.json
new file mode 100644
index 0000000000..729cfe307b
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/markdown-flavor.json
@@ -0,0 +1,11 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/markdown-flavor.json",
+  "title": "Markdown Flavor",
+  "description": "Markdown specification flavors supported for text assets",
+  "type": "string",
+  "enum": [
+    "commonmark",
+    "gfm"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/media-buy-status.json b/dist/schemas/2.5.2/enums/media-buy-status.json
new file mode 100644
index 0000000000..077a9a5900
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/media-buy-status.json
@@ -0,0 +1,19 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/media-buy-status.json",
+  "title": "Media Buy Status",
+  "description": "Status of a media buy",
+  "type": "string",
+  "enum": [
+    "pending_activation",
+    "active",
+    "paused",
+    "completed"
+  ],
+  "enumDescriptions": {
+    "pending_activation": "Media buy created but not yet activated",
+    "active": "Media buy is currently running",
+    "paused": "Media buy is temporarily paused",
+    "completed": "Media buy has finished running"
+  }
+}
diff --git a/dist/schemas/2.5.2/enums/metric-type.json b/dist/schemas/2.5.2/enums/metric-type.json
new file mode 100644
index 0000000000..5d6f167f0c
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/metric-type.json
@@ -0,0 +1,17 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/metric-type.json",
+  "title": "Metric Type",
+  "description": "Performance metric types for feedback and optimization",
+  "type": "string",
+  "enum": [
+    "overall_performance",
+    "conversion_rate",
+    "brand_lift",
+    "click_through_rate",
+    "completion_rate",
+    "viewability",
+    "brand_safety",
+    "cost_efficiency"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/notification-type.json b/dist/schemas/2.5.2/enums/notification-type.json
new file mode 100644
index 0000000000..3c44239efb
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/notification-type.json
@@ -0,0 +1,13 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/notification-type.json",
+  "title": "Notification Type",
+  "description": "Type of delivery notification for media buy reporting",
+  "type": "string",
+  "enum": [
+    "scheduled",
+    "final",
+    "delayed",
+    "adjusted"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/pacing.json b/dist/schemas/2.5.2/enums/pacing.json
new file mode 100644
index 0000000000..7432db1d18
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/pacing.json
@@ -0,0 +1,17 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/pacing.json",
+  "title": "Pacing",
+  "description": "Budget pacing strategy",
+  "type": "string",
+  "enum": [
+    "even",
+    "asap",
+    "front_loaded"
+  ],
+  "enumDescriptions": {
+    "even": "Allocate remaining budget evenly over remaining campaign duration (default)",
+    "asap": "Spend remaining budget as quickly as possible",
+    "front_loaded": "Allocate more remaining budget earlier in the remaining campaign period"
+  }
+}
diff --git a/dist/schemas/2.5.2/enums/preview-output-format.json b/dist/schemas/2.5.2/enums/preview-output-format.json
new file mode 100644
index 0000000000..f4573b4e82
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/preview-output-format.json
@@ -0,0 +1,11 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/preview-output-format.json",
+  "title": "Preview Output Format",
+  "description": "Output format for creative previews",
+  "type": "string",
+  "enum": [
+    "url",
+    "html"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/pricing-model.json b/dist/schemas/2.5.2/enums/pricing-model.json
new file mode 100644
index 0000000000..165450f42e
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/pricing-model.json
@@ -0,0 +1,25 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/pricing-model.json",
+  "title": "Pricing Model",
+  "description": "Supported pricing models for advertising products",
+  "type": "string",
+  "enum": [
+    "cpm",
+    "vcpm",
+    "cpc",
+    "cpcv",
+    "cpv",
+    "cpp",
+    "flat_rate"
+  ],
+  "enumDescriptions": {
+    "cpm": "Cost Per Mille - cost per 1,000 impressions",
+    "vcpm": "Viewable Cost Per Mille - cost per 1,000 viewable impressions (MRC standard)",
+    "cpc": "Cost Per Click - cost per click on the ad",
+    "cpcv": "Cost Per Completed View - cost per 100% video/audio completion",
+    "cpv": "Cost Per View - cost per view at publisher-defined threshold (e.g., 50% completion)",
+    "cpp": "Cost Per Point - cost per Gross Rating Point or Target Rating Point (TV/audio)",
+    "flat_rate": "Flat Rate - fixed cost regardless of delivery volume (sponsorships, takeovers)"
+  }
+}
diff --git a/dist/schemas/2.5.2/enums/property-type.json b/dist/schemas/2.5.2/enums/property-type.json
new file mode 100644
index 0000000000..16987b208c
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/property-type.json
@@ -0,0 +1,16 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/property-type.json",
+  "title": "Property Type",
+  "description": "Types of advertising properties that can be represented in AdCP",
+  "type": "string",
+  "enum": [
+    "website",
+    "mobile_app",
+    "ctv_app",
+    "dooh",
+    "podcast",
+    "radio",
+    "streaming_audio"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/publisher-identifier-types.json b/dist/schemas/2.5.2/enums/publisher-identifier-types.json
new file mode 100644
index 0000000000..734115050a
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/publisher-identifier-types.json
@@ -0,0 +1,19 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/publisher-identifier-types.json",
+  "title": "Publisher Identifier Types",
+  "description": "Valid identifier types for publisher/legal entity identification",
+  "type": "string",
+  "enum": [
+    "tag_id",
+    "duns",
+    "lei",
+    "seller_id",
+    "gln"
+  ],
+  "examples": [
+    "tag_id",
+    "seller_id",
+    "duns"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/reporting-frequency.json b/dist/schemas/2.5.2/enums/reporting-frequency.json
new file mode 100644
index 0000000000..63234ef3c7
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/reporting-frequency.json
@@ -0,0 +1,12 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/reporting-frequency.json",
+  "title": "Reporting Frequency",
+  "description": "Available frequencies for delivery reports and metrics updates",
+  "type": "string",
+  "enum": [
+    "hourly",
+    "daily",
+    "monthly"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/signal-catalog-type.json b/dist/schemas/2.5.2/enums/signal-catalog-type.json
new file mode 100644
index 0000000000..10d5317779
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/signal-catalog-type.json
@@ -0,0 +1,12 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/signal-catalog-type.json",
+  "title": "Signal Catalog Type",
+  "description": "Types of signal catalogs available for audience targeting",
+  "type": "string",
+  "enum": [
+    "marketplace",
+    "custom",
+    "owned"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/sort-direction.json b/dist/schemas/2.5.2/enums/sort-direction.json
new file mode 100644
index 0000000000..410a765e96
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/sort-direction.json
@@ -0,0 +1,11 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/sort-direction.json",
+  "title": "Sort Direction",
+  "description": "Sort direction for list queries",
+  "type": "string",
+  "enum": [
+    "asc",
+    "desc"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/standard-format-ids.json b/dist/schemas/2.5.2/enums/standard-format-ids.json
new file mode 100644
index 0000000000..6d135cefe6
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/standard-format-ids.json
@@ -0,0 +1,103 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/standard-format-ids.json",
+  "title": "Standard Format IDs",
+  "description": "Enumeration of all standard creative format identifiers in AdCP",
+  "type": "string",
+  "enum": [
+    "display_300x250",
+    "display_728x90",
+    "display_320x50",
+    "display_160x600",
+    "display_970x250",
+    "display_336x280",
+    "display_expandable_300x250",
+    "display_expandable_728x90",
+    "display_interstitial_320x480",
+    "display_interstitial_desktop",
+    "display_dynamic_300x250",
+    "display_responsive",
+    "native_in_feed",
+    "native_content_recommendation",
+    "native_product",
+    "video_skippable_15s",
+    "video_skippable_30s",
+    "video_non_skippable_15s",
+    "video_non_skippable_30s",
+    "video_outstream_autoplay",
+    "video_vertical_story",
+    "video_rewarded_30s",
+    "video_pause_ad",
+    "video_ctv_non_skippable_30s",
+    "audio_standard_15s",
+    "audio_standard_30s",
+    "audio_podcast_host_read",
+    "audio_programmatic",
+    "universal_carousel",
+    "universal_canvas",
+    "universal_takeover",
+    "universal_gallery",
+    "universal_reveal",
+    "dooh_landscape_static",
+    "dooh_portrait_video"
+  ],
+  "categories": {
+    "display": [
+      "display_300x250",
+      "display_728x90",
+      "display_320x50",
+      "display_160x600",
+      "display_970x250",
+      "display_336x280",
+      "display_expandable_300x250",
+      "display_expandable_728x90",
+      "display_interstitial_320x480",
+      "display_interstitial_desktop",
+      "display_dynamic_300x250",
+      "display_responsive"
+    ],
+    "video": [
+      "video_skippable_15s",
+      "video_skippable_30s",
+      "video_non_skippable_15s",
+      "video_non_skippable_30s",
+      "video_outstream_autoplay",
+      "video_vertical_story",
+      "video_rewarded_30s",
+      "video_pause_ad",
+      "video_ctv_non_skippable_30s"
+    ],
+    "native": [
+      "native_in_feed",
+      "native_content_recommendation",
+      "native_product"
+    ],
+    "audio": [
+      "audio_standard_15s",
+      "audio_standard_30s",
+      "audio_podcast_host_read",
+      "audio_programmatic"
+    ],
+    "dooh": [
+      "dooh_landscape_static",
+      "dooh_portrait_video"
+    ],
+    "universal": [
+      "universal_carousel",
+      "universal_canvas",
+      "universal_takeover",
+      "universal_gallery",
+      "universal_reveal"
+    ]
+  },
+  "universal_formats": [
+    "universal_carousel",
+    "universal_canvas",
+    "universal_takeover",
+    "universal_gallery",
+    "universal_reveal"
+  ],
+  "dynamic_creative_formats": [
+    "display_dynamic_300x250"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/task-status.json b/dist/schemas/2.5.2/enums/task-status.json
new file mode 100644
index 0000000000..1b901d9cdb
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/task-status.json
@@ -0,0 +1,29 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/task-status.json",
+  "title": "Task Status",
+  "description": "Standardized task status values based on A2A TaskState enum. Indicates the current state of any AdCP operation.",
+  "type": "string",
+  "enum": [
+    "submitted",
+    "working",
+    "input-required",
+    "completed",
+    "canceled",
+    "failed",
+    "rejected",
+    "auth-required",
+    "unknown"
+  ],
+  "enumDescriptions": {
+    "submitted": "Task accepted and queued for long-running execution (hours to days). Client should poll with tasks/get or provide webhook_url at protocol level.",
+    "working": "Agent is actively processing the task, expect completion within 120 seconds",
+    "input-required": "Task is paused and waiting for input from the user (e.g., clarification, approval)",
+    "completed": "Task has been successfully completed",
+    "canceled": "Task was canceled by the user",
+    "failed": "Task failed due to an error during execution",
+    "rejected": "Task was rejected by the agent and was not started",
+    "auth-required": "Task requires authentication to proceed",
+    "unknown": "Task is in an unknown or indeterminate state"
+  }
+}
diff --git a/dist/schemas/2.5.2/enums/task-type.json b/dist/schemas/2.5.2/enums/task-type.json
new file mode 100644
index 0000000000..1e48120b5e
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/task-type.json
@@ -0,0 +1,27 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/task-type.json",
+  "title": "Task Type",
+  "description": "Valid AdCP task types across all domains. These represent the complete set of operations that can be tracked via the task management system.",
+  "type": "string",
+  "enum": [
+    "create_media_buy",
+    "update_media_buy",
+    "sync_creatives",
+    "activate_signal",
+    "get_signals"
+  ],
+  "enumDescriptions": {
+    "create_media_buy": "Media-buy domain: Create a new advertising campaign with one or more packages",
+    "update_media_buy": "Media-buy domain: Update campaign settings, package configuration, or delivery parameters",
+    "sync_creatives": "Media-buy domain: Sync creative assets to publisher's library with upsert semantics",
+    "activate_signal": "Signals domain: Activate an audience signal on a specific platform or account",
+    "get_signals": "Signals domain: Discover available audience signals based on natural language description"
+  },
+  "notes": [
+    "Task types map to specific AdCP task operations",
+    "Each task type belongs to either the 'media-buy' or 'signals' domain",
+    "This enum is used in task management APIs (tasks/list, tasks/get) and webhook payloads",
+    "New task types require a minor version bump per semantic versioning"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/update-frequency.json b/dist/schemas/2.5.2/enums/update-frequency.json
new file mode 100644
index 0000000000..46b9f2d902
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/update-frequency.json
@@ -0,0 +1,13 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/update-frequency.json",
+  "title": "Update Frequency",
+  "description": "Frequency of product catalog updates",
+  "type": "string",
+  "enum": [
+    "realtime",
+    "hourly",
+    "daily",
+    "weekly"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/url-asset-type.json b/dist/schemas/2.5.2/enums/url-asset-type.json
new file mode 100644
index 0000000000..a2c688997b
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/url-asset-type.json
@@ -0,0 +1,12 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/url-asset-type.json",
+  "title": "URL Asset Type",
+  "description": "Types of URL assets for tracking and click-through purposes",
+  "type": "string",
+  "enum": [
+    "clickthrough",
+    "tracker_pixel",
+    "tracker_script"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/validation-mode.json b/dist/schemas/2.5.2/enums/validation-mode.json
new file mode 100644
index 0000000000..c4fc810d52
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/validation-mode.json
@@ -0,0 +1,11 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/validation-mode.json",
+  "title": "Validation Mode",
+  "description": "Creative validation strictness levels",
+  "type": "string",
+  "enum": [
+    "strict",
+    "lenient"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/vast-tracking-event.json b/dist/schemas/2.5.2/enums/vast-tracking-event.json
new file mode 100644
index 0000000000..b34e14a33f
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/vast-tracking-event.json
@@ -0,0 +1,25 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/vast-tracking-event.json",
+  "title": "VAST Tracking Event",
+  "description": "Standard VAST tracking events for video ad playback and interaction",
+  "type": "string",
+  "enum": [
+    "start",
+    "firstQuartile",
+    "midpoint",
+    "thirdQuartile",
+    "complete",
+    "impression",
+    "click",
+    "pause",
+    "resume",
+    "skip",
+    "mute",
+    "unmute",
+    "fullscreen",
+    "exitFullscreen",
+    "playerExpand",
+    "playerCollapse"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/vast-version.json b/dist/schemas/2.5.2/enums/vast-version.json
new file mode 100644
index 0000000000..0244a5f534
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/vast-version.json
@@ -0,0 +1,14 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/vast-version.json",
+  "title": "VAST Version",
+  "description": "Supported VAST (Video Ad Serving Template) specification versions",
+  "type": "string",
+  "enum": [
+    "2.0",
+    "3.0",
+    "4.0",
+    "4.1",
+    "4.2"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/webhook-response-type.json b/dist/schemas/2.5.2/enums/webhook-response-type.json
new file mode 100644
index 0000000000..0f3ca4a96d
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/webhook-response-type.json
@@ -0,0 +1,13 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/webhook-response-type.json",
+  "title": "Webhook Response Type",
+  "description": "Expected response content type from webhook endpoints",
+  "type": "string",
+  "enum": [
+    "html",
+    "json",
+    "xml",
+    "javascript"
+  ]
+}
diff --git a/dist/schemas/2.5.2/enums/webhook-security-method.json b/dist/schemas/2.5.2/enums/webhook-security-method.json
new file mode 100644
index 0000000000..c582e5a03b
--- /dev/null
+++ b/dist/schemas/2.5.2/enums/webhook-security-method.json
@@ -0,0 +1,12 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/enums/webhook-security-method.json",
+  "title": "Webhook Security Method",
+  "description": "Security methods for authenticating webhook requests",
+  "type": "string",
+  "enum": [
+    "hmac_sha256",
+    "api_key",
+    "none"
+  ]
+}
diff --git a/dist/schemas/2.5.2/index.json b/dist/schemas/2.5.2/index.json
new file mode 100644
index 0000000000..dda94afd53
--- /dev/null
+++ b/dist/schemas/2.5.2/index.json
@@ -0,0 +1,604 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/index.json",
+  "title": "AdCP Schema Registry v1",
+  "version": "1.0.0",
+  "description": "Registry of all AdCP JSON schemas for validation and discovery",
+  "adcp_version": "2.5.2",
+  "standard_formats_version": "2.0.0",
+  "versioning": {
+    "note": "AdCP uses build-time versioning. This directory contains schemas for AdCP 2.5.2. Full semantic versions are available at /schemas/{version}/ (e.g., /schemas/2.5.0/). Major version aliases point to the latest release: /schemas/v2/ → /schemas/2.5.2/."
+  },
+  "changelog": {
+    "2.0.0": {
+      "date": "2025-10-14",
+      "breaking_changes": [
+        "Added renders array to Format schema with role and dimensions fields (replaces top-level dimensions)",
+        "Formats now specify rendered outputs via renders array - enables companion ads, adaptive formats, and multi-placement",
+        "Each render includes role (primary, companion, mobile_variant, etc.) and structured dimensions object",
+        "Removed string dimensions field from standard display formats",
+        "Renamed preview response 'outputs' to 'renders' to avoid confusion with generative format output_format_ids",
+        "Removed format_id from preview renders (all renders are from the same format)",
+        "Removed hints object from preview renders (use format lookup for render specifications instead)",
+        "Changed preview render field names: output_id→render_id, output_role→role, added dimensions field"
+      ],
+      "rationale": "Renders array with structured dimensions eliminates parsing ambiguity and uniformly supports single and multi-render formats. Multi-render preview support enables companion ads and adaptive formats. Terminology changes prevent confusion between preview rendering and generative format outputs. Simplified schema removes redundant fields."
+    },
+    "1.8.0": {
+      "date": "2025-10-13",
+      "changes": [
+        "Previous version with string-based dimensions"
+      ]
+    }
+  },
+  "lastUpdated": "2026-01-07",
+  "baseUrl": "/schemas/2.5.2",
+  "schemas": {
+    "core": {
+      "description": "Core data models used throughout AdCP",
+      "schemas": {
+        "product": {
+          "$ref": "/schemas/2.5.2/core/product.json",
+          "description": "Represents available advertising inventory"
+        },
+        "media-buy": {
+          "$ref": "/schemas/2.5.2/core/media-buy.json",
+          "description": "Represents a purchased advertising campaign"
+        },
+        "package": {
+          "$ref": "/schemas/2.5.2/core/package.json",
+          "description": "A specific product within a media buy (line item)"
+        },
+        "creative-asset": {
+          "$ref": "/schemas/2.5.2/core/creative-asset.json",
+          "description": "Creative asset for upload to library - supports static assets, generative formats, and third-party ad serving (VAST, DAAST, HTML, JavaScript)"
+        },
+        "targeting": {
+          "$ref": "/schemas/2.5.2/core/targeting.json",
+          "description": "Audience targeting criteria"
+        },
+        "frequency-cap": {
+          "$ref": "/schemas/2.5.2/core/frequency-cap.json",
+          "description": "Frequency capping settings"
+        },
+        "format": {
+          "$ref": "/schemas/2.5.2/core/format.json",
+          "description": "Represents a creative format with its requirements"
+        },
+        "measurement": {
+          "$ref": "/schemas/2.5.2/core/measurement.json",
+          "description": "Measurement capabilities included with a product"
+        },
+        "delivery-metrics": {
+          "$ref": "/schemas/2.5.2/core/delivery-metrics.json",
+          "description": "Standard delivery metrics for reporting"
+        },
+        "creative-policy": {
+          "$ref": "/schemas/2.5.2/core/creative-policy.json",
+          "description": "Creative requirements and restrictions for a product"
+        },
+        "response": {
+          "$ref": "/schemas/2.5.2/core/response.json",
+          "description": "Standard response structure (MCP)"
+        },
+        "error": {
+          "$ref": "/schemas/2.5.2/core/error.json",
+          "description": "Standard error structure"
+        },
+        "sub-asset": {
+          "$ref": "/schemas/2.5.2/core/sub-asset.json",
+          "description": "Sub-asset for multi-asset creative formats"
+        },
+        "creative-assignment": {
+          "$ref": "/schemas/2.5.2/core/creative-assignment.json",
+          "description": "Assignment of a creative asset to a package"
+        },
+        "creative-manifest": {
+          "$ref": "/schemas/2.5.2/core/creative-manifest.json",
+          "description": "Complete specification of a creative with all assets needed for rendering"
+        },
+        "performance-feedback": {
+          "$ref": "/schemas/2.5.2/core/performance-feedback.json",
+          "description": "Performance feedback data for a media buy or package"
+        },
+        "property": {
+          "$ref": "/schemas/2.5.2/core/property.json",
+          "description": "An advertising property that can be validated via adagents.json"
+        },
+        "brand-manifest": {
+          "$ref": "/schemas/2.5.2/core/brand-manifest.json",
+          "description": "Standardized brand information manifest for creative generation and media buying"
+        },
+        "brand-manifest-ref": {
+          "$ref": "/schemas/2.5.2/core/brand-manifest-ref.json",
+          "description": "Brand manifest reference (inline object or URL)"
+        },
+        "promoted-products": {
+          "$ref": "/schemas/2.5.2/core/promoted-products.json",
+          "description": "Product or offering selection for campaigns with multiple selection methods"
+        },
+        "start-timing": {
+          "$ref": "/schemas/2.5.2/core/start-timing.json",
+          "description": "Campaign start timing: 'asap' or ISO 8601 date-time"
+        },
+        "pricing-option": {
+          "$ref": "/schemas/2.5.2/core/pricing-option.json",
+          "description": "A pricing model option offered by a publisher for a product"
+        },
+        "protocol-envelope": {
+          "$ref": "/schemas/2.5.2/core/protocol-envelope.json",
+          "description": "Standard envelope structure added by protocol layer (MCP, A2A, REST) that wraps task response payloads with protocol-level fields like status, context_id, task_id, and message"
+        },
+        "placement": {
+          "$ref": "/schemas/2.5.2/core/placement.json",
+          "description": "Represents a specific ad placement within a product's inventory"
+        },
+        "mcp-webhook-payload": {
+          "$ref": "/schemas/2.5.2/core/mcp-webhook-payload.json",
+          "description": "MCP-specific webhook payload structure for HTTP-based push notifications. Protocol-level fields at top-level (task_id, status, etc.) and AdCP data layer nested under 'result'. NOT used in A2A (uses native statusUpdate)."
+        },
+        "destination": {
+          "$ref": "/schemas/2.5.2/core/destination.json",
+          "description": "A destination platform where signals can be activated (DSP, sales agent, etc.)"
+        },
+        "deployment": {
+          "$ref": "/schemas/2.5.2/core/deployment.json",
+          "description": "A signal deployment to a specific destination platform with activation status and key"
+        },
+        "publisher-property-selector": {
+          "$ref": "/schemas/2.5.2/core/publisher-property-selector.json",
+          "description": "Selects properties from a publisher's adagents.json - supports three patterns: all properties, specific IDs, or by tags"
+        },
+        "product-filters": {
+          "$ref": "/schemas/2.5.2/core/product-filters.json",
+          "description": "Structured filters for product discovery"
+        },
+        "creative-filters": {
+          "$ref": "/schemas/2.5.2/core/creative-filters.json",
+          "description": "Filter criteria for querying creative assets from the centralized library"
+        },
+        "signal-filters": {
+          "$ref": "/schemas/2.5.2/core/signal-filters.json",
+          "description": "Filters to refine signal discovery results"
+        },
+        "property-id": {
+          "$ref": "/schemas/2.5.2/core/property-id.json",
+          "description": "Identifier for a publisher property - lowercase alphanumeric with underscores only"
+        },
+        "property-tag": {
+          "$ref": "/schemas/2.5.2/core/property-tag.json",
+          "description": "Tag for categorizing publisher properties - lowercase alphanumeric with underscores only"
+        }
+      }
+    },
+    "enums": {
+      "description": "Enumerated types and constants",
+      "schemas": {
+        "pricing-model": {
+          "$ref": "/schemas/2.5.2/enums/pricing-model.json",
+          "description": "Supported pricing models for advertising products"
+        },
+        "delivery-type": {
+          "$ref": "/schemas/2.5.2/enums/delivery-type.json",
+          "description": "Type of inventory delivery"
+        },
+        "media-buy-status": {
+          "$ref": "/schemas/2.5.2/enums/media-buy-status.json",
+          "description": "Status of a media buy"
+        },
+        "creative-status": {
+          "$ref": "/schemas/2.5.2/enums/creative-status.json",
+          "description": "Status of a creative asset"
+        },
+        "pacing": {
+          "$ref": "/schemas/2.5.2/enums/pacing.json",
+          "description": "Budget pacing strategy"
+        },
+        "frequency-cap-scope": {
+          "$ref": "/schemas/2.5.2/enums/frequency-cap-scope.json",
+          "description": "Scope for frequency cap application"
+        },
+        "standard-format-ids": {
+          "$ref": "/schemas/2.5.2/enums/standard-format-ids.json",
+          "description": "Enumeration of all standard creative format identifiers"
+        },
+        "identifier-types": {
+          "$ref": "/schemas/2.5.2/enums/identifier-types.json",
+          "description": "Valid identifier types for property identification across different media types"
+        },
+        "publisher-identifier-types": {
+          "$ref": "/schemas/2.5.2/enums/publisher-identifier-types.json",
+          "description": "Valid identifier types for publisher/legal entity identification (TAG ID, DUNS, LEI, seller_id, GLN)"
+        },
+        "channels": {
+          "$ref": "/schemas/2.5.2/enums/channels.json",
+          "description": "Advertising channels (display, video, dooh, ctv, audio, etc.)"
+        },
+        "task-status": {
+          "$ref": "/schemas/2.5.2/enums/task-status.json",
+          "description": "Standardized task status values based on A2A TaskState enum"
+        },
+        "task-type": {
+          "$ref": "/schemas/2.5.2/enums/task-type.json",
+          "description": "Valid AdCP task types across all domains (create_media_buy, update_media_buy, sync_creatives, activate_signal, get_signals)"
+        },
+        "asset-content-type": {
+          "$ref": "/schemas/2.5.2/enums/asset-content-type.json",
+          "description": "Types of content that can be used as creative assets (image, video, html, etc.)"
+        },
+        "format-category": {
+          "$ref": "/schemas/2.5.2/enums/format-category.json",
+          "description": "High-level categories for creative formats (audio, video, display, native, dooh, rich_media, universal)"
+        },
+        "vast-version": {
+          "$ref": "/schemas/2.5.2/enums/vast-version.json",
+          "description": "Supported VAST specification versions (2.0, 3.0, 4.0, 4.1, 4.2)"
+        },
+        "vast-tracking-event": {
+          "$ref": "/schemas/2.5.2/enums/vast-tracking-event.json",
+          "description": "Standard VAST tracking events for video playback and interaction"
+        },
+        "property-type": {
+          "$ref": "/schemas/2.5.2/enums/property-type.json",
+          "description": "Types of advertising properties (website, mobile_app, ctv_app, dooh, podcast, radio, streaming_audio)"
+        },
+        "dimension-unit": {
+          "$ref": "/schemas/2.5.2/enums/dimension-unit.json",
+          "description": "Units of measurement for creative format dimensions (px, dp, inches, cm)"
+        },
+        "co-branding-requirement": {
+          "$ref": "/schemas/2.5.2/enums/co-branding-requirement.json",
+          "description": "Co-branding policy for creatives (required, optional, none)"
+        },
+        "landing-page-requirement": {
+          "$ref": "/schemas/2.5.2/enums/landing-page-requirement.json",
+          "description": "Landing page policy for creative destinations (any, retailer_site_only, must_include_retailer)"
+        },
+        "daast-version": {
+          "$ref": "/schemas/2.5.2/enums/daast-version.json",
+          "description": "Supported DAAST specification versions (1.0, 1.1)"
+        },
+        "daast-tracking-event": {
+          "$ref": "/schemas/2.5.2/enums/daast-tracking-event.json",
+          "description": "Standard DAAST tracking events for audio playback and interaction"
+        },
+        "signal-catalog-type": {
+          "$ref": "/schemas/2.5.2/enums/signal-catalog-type.json",
+          "description": "Types of signal catalogs (marketplace, custom, owned)"
+        },
+        "metric-type": {
+          "$ref": "/schemas/2.5.2/enums/metric-type.json",
+          "description": "Performance metric types for feedback and optimization"
+        },
+        "feedback-source": {
+          "$ref": "/schemas/2.5.2/enums/feedback-source.json",
+          "description": "Source of performance feedback data"
+        },
+        "creative-agent-capability": {
+          "$ref": "/schemas/2.5.2/enums/creative-agent-capability.json",
+          "description": "Capabilities supported by creative agents (validation, assembly, generation, preview)"
+        },
+        "adcp-domain": {
+          "$ref": "/schemas/2.5.2/enums/adcp-domain.json",
+          "description": "AdCP protocol domains (media-buy, signals)"
+        },
+        "http-method": {
+          "$ref": "/schemas/2.5.2/enums/http-method.json",
+          "description": "HTTP methods for webhook requests (GET, POST)"
+        },
+        "webhook-response-type": {
+          "$ref": "/schemas/2.5.2/enums/webhook-response-type.json",
+          "description": "Expected response content types from webhooks"
+        },
+        "webhook-security-method": {
+          "$ref": "/schemas/2.5.2/enums/webhook-security-method.json",
+          "description": "Security methods for webhook authentication"
+        },
+        "javascript-module-type": {
+          "$ref": "/schemas/2.5.2/enums/javascript-module-type.json",
+          "description": "JavaScript module format types (esm, commonjs, script)"
+        },
+        "markdown-flavor": {
+          "$ref": "/schemas/2.5.2/enums/markdown-flavor.json",
+          "description": "Markdown specification flavors (commonmark, gfm)"
+        },
+        "url-asset-type": {
+          "$ref": "/schemas/2.5.2/enums/url-asset-type.json",
+          "description": "Types of URL assets (clickthrough, tracker_pixel, tracker_script)"
+        },
+        "validation-mode": {
+          "$ref": "/schemas/2.5.2/enums/validation-mode.json",
+          "description": "Creative validation strictness levels (strict, lenient)"
+        },
+        "creative-action": {
+          "$ref": "/schemas/2.5.2/enums/creative-action.json",
+          "description": "Actions taken on creatives during sync (created, updated, unchanged, failed, deleted)"
+        },
+        "notification-type": {
+          "$ref": "/schemas/2.5.2/enums/notification-type.json",
+          "description": "Types of delivery notifications (scheduled, final, delayed, adjusted)"
+        },
+        "reporting-frequency": {
+          "$ref": "/schemas/2.5.2/enums/reporting-frequency.json",
+          "description": "Frequencies for delivery reports (hourly, daily, monthly)"
+        },
+        "available-metric": {
+          "$ref": "/schemas/2.5.2/enums/available-metric.json",
+          "description": "Standard delivery and performance metrics for reporting"
+        },
+        "preview-output-format": {
+          "$ref": "/schemas/2.5.2/enums/preview-output-format.json",
+          "description": "Output formats for creative previews (url, html)"
+        },
+        "sort-direction": {
+          "$ref": "/schemas/2.5.2/enums/sort-direction.json",
+          "description": "Sort direction for list queries (asc, desc)"
+        },
+        "history-entry-type": {
+          "$ref": "/schemas/2.5.2/enums/history-entry-type.json",
+          "description": "Type of task history entry (request, response)"
+        },
+        "feed-format": {
+          "$ref": "/schemas/2.5.2/enums/feed-format.json",
+          "description": "Product catalog feed formats"
+        },
+        "update-frequency": {
+          "$ref": "/schemas/2.5.2/enums/update-frequency.json",
+          "description": "Frequency of product catalog updates"
+        },
+        "auth-scheme": {
+          "$ref": "/schemas/2.5.2/enums/auth-scheme.json",
+          "description": "Authentication schemes for push notifications"
+        },
+        "creative-sort-field": {
+          "$ref": "/schemas/2.5.2/enums/creative-sort-field.json",
+          "description": "Fields available for sorting creative listings"
+        }
+      }
+    },
+    "pricing-options": {
+      "description": "Individual pricing model schemas with model-specific validation. CPM and vCPM support both fixed and auction pricing; all other models are fixed-rate only.",
+      "schemas": {
+        "cpm-fixed-option": {
+          "$ref": "/schemas/2.5.2/pricing-options/cpm-fixed-option.json",
+          "description": "Cost Per Mille (CPM) fixed-rate pricing for direct/guaranteed deals"
+        },
+        "cpm-auction-option": {
+          "$ref": "/schemas/2.5.2/pricing-options/cpm-auction-option.json",
+          "description": "Cost Per Mille (CPM) auction-based pricing for programmatic/non-guaranteed inventory"
+        },
+        "vcpm-fixed-option": {
+          "$ref": "/schemas/2.5.2/pricing-options/vcpm-fixed-option.json",
+          "description": "Viewable Cost Per Mille (vCPM) fixed-rate pricing for viewability-guaranteed deals"
+        },
+        "vcpm-auction-option": {
+          "$ref": "/schemas/2.5.2/pricing-options/vcpm-auction-option.json",
+          "description": "Viewable Cost Per Mille (vCPM) auction-based pricing for programmatic inventory with viewability guarantee"
+        },
+        "cpc-option": {
+          "$ref": "/schemas/2.5.2/pricing-options/cpc-option.json",
+          "description": "Cost Per Click (CPC) fixed-rate pricing for performance campaigns"
+        },
+        "cpcv-option": {
+          "$ref": "/schemas/2.5.2/pricing-options/cpcv-option.json",
+          "description": "Cost Per Completed View (CPCV) fixed-rate pricing for video/audio"
+        },
+        "cpv-option": {
+          "$ref": "/schemas/2.5.2/pricing-options/cpv-option.json",
+          "description": "Cost Per View (CPV) fixed-rate pricing with threshold"
+        },
+        "cpp-option": {
+          "$ref": "/schemas/2.5.2/pricing-options/cpp-option.json",
+          "description": "Cost Per Point (CPP) fixed-rate pricing for TV/audio with demographic measurement"
+        },
+        "flat-rate-option": {
+          "$ref": "/schemas/2.5.2/pricing-options/flat-rate-option.json",
+          "description": "Flat rate pricing for DOOH and sponsorships"
+        }
+      }
+    },
+    "media-buy": {
+      "description": "Media buy task request/response schemas",
+      "supporting-schemas": {
+        "package-request": {
+          "$ref": "/schemas/2.5.2/media-buy/package-request.json",
+          "description": "Package configuration for media buy creation - used within create_media_buy request"
+        }
+      },
+      "tasks": {
+        "get-products": {
+          "request": {
+            "$ref": "/schemas/2.5.2/media-buy/get-products-request.json",
+            "description": "Request parameters for discovering available advertising products"
+          },
+          "response": {
+            "$ref": "/schemas/2.5.2/media-buy/get-products-response.json",
+            "description": "Response payload for get_products task"
+          }
+        },
+        "list-creative-formats": {
+          "request": {
+            "$ref": "/schemas/2.5.2/media-buy/list-creative-formats-request.json",
+            "description": "Request parameters for discovering format IDs and creative agents supported by this sales agent"
+          },
+          "response": {
+            "$ref": "/schemas/2.5.2/media-buy/list-creative-formats-response.json",
+            "description": "Response payload with format_ids and creative_agents list. Sales agent returns which formats it supports and which creative agents provide those formats. Buyers query creative agents for full format specifications."
+          }
+        },
+        "create-media-buy": {
+          "request": {
+            "$ref": "/schemas/2.5.2/media-buy/create-media-buy-request.json",
+            "description": "Request parameters for creating a media buy"
+          },
+          "response": {
+            "$ref": "/schemas/2.5.2/media-buy/create-media-buy-response.json",
+            "description": "Response payload for create_media_buy task"
+          }
+        },
+        "sync-creatives": {
+          "request": {
+            "$ref": "/schemas/2.5.2/media-buy/sync-creatives-request.json",
+            "description": "Request parameters for syncing creative assets with upsert semantics"
+          },
+          "response": {
+            "$ref": "/schemas/2.5.2/media-buy/sync-creatives-response.json",
+            "description": "Response payload for sync_creatives task"
+          }
+        },
+        "list-creatives": {
+          "request": {
+            "$ref": "/schemas/2.5.2/media-buy/list-creatives-request.json",
+            "description": "Request parameters for querying creative library with filtering and pagination"
+          },
+          "response": {
+            "$ref": "/schemas/2.5.2/media-buy/list-creatives-response.json",
+            "description": "Response payload for list_creatives task"
+          }
+        },
+        "update-media-buy": {
+          "request": {
+            "$ref": "/schemas/2.5.2/media-buy/update-media-buy-request.json",
+            "description": "Request parameters for updating campaign and package settings"
+          },
+          "response": {
+            "$ref": "/schemas/2.5.2/media-buy/update-media-buy-response.json",
+            "description": "Response payload for update_media_buy task"
+          }
+        },
+        "get-media-buy-delivery": {
+          "request": {
+            "$ref": "/schemas/2.5.2/media-buy/get-media-buy-delivery-request.json",
+            "description": "Request parameters for retrieving comprehensive delivery metrics"
+          },
+          "response": {
+            "$ref": "/schemas/2.5.2/media-buy/get-media-buy-delivery-response.json",
+            "description": "Response payload for get_media_buy_delivery task"
+          }
+        },
+        "list-authorized-properties": {
+          "request": {
+            "$ref": "/schemas/2.5.2/media-buy/list-authorized-properties-request.json",
+            "description": "Request parameters for discovering all properties this agent is authorized to represent"
+          },
+          "response": {
+            "$ref": "/schemas/2.5.2/media-buy/list-authorized-properties-response.json",
+            "description": "Response payload for list_authorized_properties task"
+          }
+        },
+        "provide-performance-feedback": {
+          "request": {
+            "$ref": "/schemas/2.5.2/media-buy/provide-performance-feedback-request.json",
+            "description": "Request parameters for sharing performance outcomes with publishers"
+          },
+          "response": {
+            "$ref": "/schemas/2.5.2/media-buy/provide-performance-feedback-response.json",
+            "description": "Response payload for provide_performance_feedback task"
+          }
+        }
+      }
+    },
+    "creative": {
+      "description": "Creative protocol task request/response schemas and asset type definitions",
+      "tasks": {
+        "build-creative": {
+          "request": {
+            "$ref": "/schemas/2.5.2/media-buy/build-creative-request.json",
+            "description": "Request parameters for AI-powered creative generation"
+          },
+          "response": {
+            "$ref": "/schemas/2.5.2/media-buy/build-creative-response.json",
+            "description": "Response payload for build_creative task"
+          }
+        },
+        "preview-creative": {
+          "request": {
+            "$ref": "/schemas/2.5.2/creative/preview-creative-request.json",
+            "description": "Request parameters for generating creative previews"
+          },
+          "response": {
+            "$ref": "/schemas/2.5.2/creative/preview-creative-response.json",
+            "description": "Response payload for preview_creative task"
+          }
+        },
+        "list-creative-formats": {
+          "request": {
+            "$ref": "/schemas/2.5.2/creative/list-creative-formats-request.json",
+            "description": "Request parameters for discovering creative formats from this creative agent"
+          },
+          "response": {
+            "$ref": "/schemas/2.5.2/creative/list-creative-formats-response.json",
+            "description": "Response payload with full format definitions - this is the authoritative source for format specifications"
+          }
+        }
+      },
+      "asset_types": {
+        "$ref": "/schemas/2.5.2/creative/asset-types/index.json",
+        "description": "Asset type definitions for creative manifests"
+      }
+    },
+    "signals": {
+      "description": "Signals protocol task request/response schemas",
+      "tasks": {
+        "get-signals": {
+          "request": {
+            "$ref": "/schemas/2.5.2/signals/get-signals-request.json",
+            "description": "Request parameters for discovering signals based on description"
+          },
+          "response": {
+            "$ref": "/schemas/2.5.2/signals/get-signals-response.json",
+            "description": "Response payload for get_signals task"
+          }
+        },
+        "activate-signal": {
+          "request": {
+            "$ref": "/schemas/2.5.2/signals/activate-signal-request.json",
+            "description": "Request parameters for activating a signal on a specific platform/account"
+          },
+          "response": {
+            "$ref": "/schemas/2.5.2/signals/activate-signal-response.json",
+            "description": "Response payload for activate_signal task"
+          }
+        }
+      }
+    },
+    "adagents": {
+      "description": "Authorized sales agents file format specification",
+      "$ref": "/schemas/2.5.2/adagents.json",
+      "file_location": "/.well-known/adagents.json",
+      "purpose": "Declares which sales agents are authorized to sell a publisher's advertising inventory"
+    },
+    "protocols": {
+      "description": "Protocol-level schemas for agent card extensions",
+      "schemas": {
+        "adcp-extension": {
+          "$ref": "/schemas/2.5.2/protocols/adcp-extension.json",
+          "description": "AdCP extension for agent cards (MCP and A2A). Declares AdCP version and supported protocol domains."
+        }
+      }
+    }
+  },
+  "usage": {
+    "validation": "Use these schemas to validate AdCP requests and responses",
+    "codeGeneration": "Generate client SDKs using these schemas",
+    "documentation": "Reference schemas for API documentation",
+    "testing": "Validate test fixtures and examples"
+  },
+  "examples": [
+    {
+      "language": "javascript",
+      "description": "JavaScript validation example",
+      "code": "const Ajv = require('ajv'); const ajv = new Ajv(); const schema = require('./schemas/core/product.json'); const validate = ajv.compile(schema);"
+    },
+    {
+      "language": "python",
+      "description": "Python validation example",
+      "code": "import jsonschema; schema = {...}; jsonschema.validate(data, schema)"
+    },
+    {
+      "language": "java",
+      "description": "Java validation example",
+      "code": "// Use everit-org/json-schema or similar library"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/dist/schemas/2.5.2/media-buy/build-creative-request.json b/dist/schemas/2.5.2/media-buy/build-creative-request.json
new file mode 100644
index 0000000000..8ec3e40eeb
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/build-creative-request.json
@@ -0,0 +1,31 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/build-creative-request.json",
+  "title": "Build Creative Request",
+  "description": "Request to transform or generate a creative manifest. Takes a source manifest (which may be minimal for pure generation) and produces a target manifest in the specified format. The source manifest should include all assets required by the target format (e.g., promoted_offerings for generative formats).",
+  "type": "object",
+  "properties": {
+    "message": {
+      "type": "string",
+      "description": "Natural language instructions for the transformation or generation. For pure generation, this is the creative brief. For transformation, this provides guidance on how to adapt the creative."
+    },
+    "creative_manifest": {
+      "$ref": "/schemas/2.5.2/core/creative-manifest.json",
+      "description": "Creative manifest to transform or generate from. For pure generation, this should include the target format_id and any required input assets (e.g., promoted_offerings for generative formats). For transformation (e.g., resizing, reformatting), this is the complete creative to adapt."
+    },
+    "target_format_id": {
+      "$ref": "/schemas/2.5.2/core/format-id.json",
+      "description": "Format ID to generate. The format definition specifies required input assets and output structure."
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "required": [
+    "target_format_id"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/media-buy/build-creative-response.json b/dist/schemas/2.5.2/media-buy/build-creative-response.json
new file mode 100644
index 0000000000..7b1fefb736
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/build-creative-response.json
@@ -0,0 +1,65 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/build-creative-response.json",
+  "title": "Build Creative Response",
+  "description": "Response containing the transformed or generated creative manifest, ready for use with preview_creative or sync_creatives. Returns either the complete creative manifest OR error information, never both.",
+  "type": "object",
+  "oneOf": [
+    {
+      "title": "BuildCreativeSuccess",
+      "description": "Success response - creative manifest generated successfully",
+      "type": "object",
+      "properties": {
+        "creative_manifest": {
+          "$ref": "/schemas/2.5.2/core/creative-manifest.json",
+          "description": "The generated or transformed creative manifest"
+        },
+        "context": {
+          "$ref": "/schemas/2.5.2/core/context.json"
+        },
+        "ext": {
+          "$ref": "/schemas/2.5.2/core/ext.json"
+        }
+      },
+      "required": [
+        "creative_manifest"
+      ],
+      "additionalProperties": true,
+      "not": {
+        "required": [
+          "errors"
+        ]
+      }
+    },
+    {
+      "title": "BuildCreativeError",
+      "description": "Error response - creative generation failed",
+      "type": "object",
+      "properties": {
+        "errors": {
+          "type": "array",
+          "description": "Array of errors explaining why creative generation failed",
+          "items": {
+            "$ref": "/schemas/2.5.2/core/error.json"
+          },
+          "minItems": 1
+        },
+        "context": {
+          "$ref": "/schemas/2.5.2/core/context.json"
+        },
+        "ext": {
+          "$ref": "/schemas/2.5.2/core/ext.json"
+        }
+      },
+      "required": [
+        "errors"
+      ],
+      "additionalProperties": true,
+      "not": {
+        "required": [
+          "creative_manifest"
+        ]
+      }
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/media-buy/create-media-buy-async-response-input-required.json b/dist/schemas/2.5.2/media-buy/create-media-buy-async-response-input-required.json
new file mode 100644
index 0000000000..774879edfa
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/create-media-buy-async-response-input-required.json
@@ -0,0 +1,31 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/create-media-buy-async-response-input-required.json",
+  "title": "Create Media Buy - Input Required",
+  "description": "Payload when task is paused waiting for user input or approval.",
+  "type": "object",
+  "properties": {
+    "reason": {
+      "type": "string",
+      "enum": [
+        "APPROVAL_REQUIRED",
+        "BUDGET_EXCEEDS_LIMIT"
+      ],
+      "description": "Reason code indicating why input is needed"
+    },
+    "errors": {
+      "type": "array",
+      "description": "Optional validation errors or warnings for debugging purposes. Helps explain why input is required.",
+      "items": {
+        "$ref": "/schemas/2.5.2/core/error.json"
+      }
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/media-buy/create-media-buy-async-response-submitted.json b/dist/schemas/2.5.2/media-buy/create-media-buy-async-response-submitted.json
new file mode 100644
index 0000000000..2489367886
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/create-media-buy-async-response-submitted.json
@@ -0,0 +1,16 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/create-media-buy-async-response-submitted.json",
+  "title": "Create Media Buy - Submitted",
+  "description": "Payload acknowledging the task is queued. Usually empty or just context.",
+  "type": "object",
+  "properties": {
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/media-buy/create-media-buy-async-response-working.json b/dist/schemas/2.5.2/media-buy/create-media-buy-async-response-working.json
new file mode 100644
index 0000000000..0a5d1c3a96
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/create-media-buy-async-response-working.json
@@ -0,0 +1,36 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/create-media-buy-async-response-working.json",
+  "title": "Create Media Buy - Working",
+  "description": "Progress payload for active create_media_buy task.",
+  "type": "object",
+  "properties": {
+    "percentage": {
+      "type": "number",
+      "minimum": 0,
+      "maximum": 100,
+      "description": "Completion percentage (0-100)"
+    },
+    "current_step": {
+      "type": "string",
+      "description": "Current step or phase of the operation"
+    },
+    "total_steps": {
+      "type": "integer",
+      "minimum": 1,
+      "description": "Total number of steps in the operation"
+    },
+    "step_number": {
+      "type": "integer",
+      "minimum": 1,
+      "description": "Current step number"
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/media-buy/create-media-buy-request.json b/dist/schemas/2.5.2/media-buy/create-media-buy-request.json
new file mode 100644
index 0000000000..beccadb91c
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/create-media-buy-request.json
@@ -0,0 +1,126 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/create-media-buy-request.json",
+  "title": "Create Media Buy Request",
+  "description": "Request parameters for creating a media buy",
+  "type": "object",
+  "properties": {
+    "buyer_ref": {
+      "type": "string",
+      "description": "Buyer's reference identifier for this media buy"
+    },
+    "packages": {
+      "type": "array",
+      "description": "Array of package configurations",
+      "items": {
+        "$ref": "/schemas/2.5.2/media-buy/package-request.json"
+      }
+    },
+    "brand_manifest": {
+      "$ref": "/schemas/2.5.2/core/brand-manifest-ref.json",
+      "description": "Brand information manifest serving as the namespace and identity for this media buy. Provides brand context, assets, and product catalog. Can be provided inline or as a URL reference to a hosted manifest. Can be cached and reused across multiple requests."
+    },
+    "po_number": {
+      "type": "string",
+      "description": "Purchase order number for tracking"
+    },
+    "start_time": {
+      "$ref": "/schemas/2.5.2/core/start-timing.json"
+    },
+    "end_time": {
+      "type": "string",
+      "format": "date-time",
+      "description": "Campaign end date/time in ISO 8601 format"
+    },
+    "reporting_webhook": {
+      "$comment": "Fields url, token, and authentication mirror push-notification-config.json. Inlined here because allOf + additionalProperties:false doesn't work in JSON Schema (additionalProperties can't see $ref properties). See CLAUDE.md 'Avoiding allOf with additionalProperties'.",
+      "type": "object",
+      "description": "Optional webhook configuration for automated reporting delivery. Combines push_notification_config structure with reporting-specific fields.",
+      "properties": {
+        "url": {
+          "type": "string",
+          "format": "uri",
+          "description": "Webhook endpoint URL for reporting notifications"
+        },
+        "token": {
+          "type": "string",
+          "description": "Optional client-provided token for webhook validation. Echoed back in webhook payload to validate request authenticity.",
+          "minLength": 16
+        },
+        "authentication": {
+          "type": "object",
+          "description": "Authentication configuration for webhook delivery (A2A-compatible)",
+          "properties": {
+            "schemes": {
+              "type": "array",
+              "description": "Array of authentication schemes. Supported: ['Bearer'] for simple token auth, ['HMAC-SHA256'] for signature verification (recommended for production)",
+              "items": {
+                "$ref": "/schemas/2.5.2/enums/auth-scheme.json"
+              },
+              "minItems": 1,
+              "maxItems": 1
+            },
+            "credentials": {
+              "type": "string",
+              "description": "Credentials for authentication. For Bearer: token sent in Authorization header. For HMAC-SHA256: shared secret used to generate signature. Minimum 32 characters. Exchanged out-of-band during onboarding.",
+              "minLength": 32
+            }
+          },
+          "required": [
+            "schemes",
+            "credentials"
+          ],
+          "additionalProperties": false
+        },
+        "reporting_frequency": {
+          "type": "string",
+          "enum": [
+            "hourly",
+            "daily",
+            "monthly"
+          ],
+          "description": "Frequency for automated reporting delivery. Must be supported by all products in the media buy."
+        },
+        "requested_metrics": {
+          "type": "array",
+          "description": "Optional list of metrics to include in webhook notifications. If omitted, all available metrics are included. Must be subset of product's available_metrics.",
+          "items": {
+            "type": "string",
+            "enum": [
+              "impressions",
+              "spend",
+              "clicks",
+              "ctr",
+              "video_completions",
+              "completion_rate",
+              "conversions",
+              "viewability",
+              "engagement_rate"
+            ]
+          },
+          "uniqueItems": true
+        }
+      },
+      "required": [
+        "url",
+        "authentication",
+        "reporting_frequency"
+      ],
+      "additionalProperties": true
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "required": [
+    "buyer_ref",
+    "packages",
+    "brand_manifest",
+    "start_time",
+    "end_time"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/media-buy/create-media-buy-response.json b/dist/schemas/2.5.2/media-buy/create-media-buy-response.json
new file mode 100644
index 0000000000..21f430bc9c
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/create-media-buy-response.json
@@ -0,0 +1,97 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/create-media-buy-response.json",
+  "title": "Create Media Buy Response",
+  "description": "Response payload for create_media_buy task. Returns either complete success data OR error information, never both. This enforces atomic operation semantics - the media buy is either fully created or not created at all.",
+  "type": "object",
+  "oneOf": [
+    {
+      "title": "CreateMediaBuySuccess",
+      "description": "Success response - media buy created successfully",
+      "type": "object",
+      "properties": {
+        "media_buy_id": {
+          "type": "string",
+          "description": "Publisher's unique identifier for the created media buy"
+        },
+        "buyer_ref": {
+          "type": "string",
+          "description": "Buyer's reference identifier for this media buy"
+        },
+        "creative_deadline": {
+          "type": "string",
+          "format": "date-time",
+          "description": "ISO 8601 timestamp for creative upload deadline"
+        },
+        "packages": {
+          "type": "array",
+          "description": "Array of created packages with complete state information",
+          "items": {
+            "$ref": "/schemas/2.5.2/core/package.json"
+          }
+        },
+        "context": {
+          "$ref": "/schemas/2.5.2/core/context.json"
+        },
+        "ext": {
+          "$ref": "/schemas/2.5.2/core/ext.json"
+        }
+      },
+      "required": [
+        "media_buy_id",
+        "buyer_ref",
+        "packages"
+      ],
+      "additionalProperties": true,
+      "not": {
+        "required": [
+          "errors"
+        ]
+      }
+    },
+    {
+      "title": "CreateMediaBuyError",
+      "description": "Error response - operation failed, no media buy created",
+      "type": "object",
+      "properties": {
+        "errors": {
+          "type": "array",
+          "description": "Array of errors explaining why the operation failed",
+          "items": {
+            "$ref": "/schemas/2.5.2/core/error.json"
+          },
+          "minItems": 1
+        },
+        "context": {
+          "$ref": "/schemas/2.5.2/core/context.json"
+        },
+        "ext": {
+          "$ref": "/schemas/2.5.2/core/ext.json"
+        }
+      },
+      "required": [
+        "errors"
+      ],
+      "additionalProperties": true,
+      "not": {
+        "anyOf": [
+          {
+            "required": [
+              "media_buy_id"
+            ]
+          },
+          {
+            "required": [
+              "buyer_ref"
+            ]
+          },
+          {
+            "required": [
+              "packages"
+            ]
+          }
+        ]
+      }
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/media-buy/get-media-buy-delivery-request.json b/dist/schemas/2.5.2/media-buy/get-media-buy-delivery-request.json
new file mode 100644
index 0000000000..3737e35d82
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/get-media-buy-delivery-request.json
@@ -0,0 +1,54 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/get-media-buy-delivery-request.json",
+  "title": "Get Media Buy Delivery Request",
+  "description": "Request parameters for retrieving comprehensive delivery metrics",
+  "type": "object",
+  "properties": {
+    "media_buy_ids": {
+      "type": "array",
+      "description": "Array of publisher media buy IDs to get delivery data for",
+      "items": {
+        "type": "string"
+      }
+    },
+    "buyer_refs": {
+      "type": "array",
+      "description": "Array of buyer reference IDs to get delivery data for",
+      "items": {
+        "type": "string"
+      }
+    },
+    "status_filter": {
+      "oneOf": [
+        {
+          "$ref": "/schemas/2.5.2/enums/media-buy-status.json"
+        },
+        {
+          "type": "array",
+          "items": {
+            "$ref": "/schemas/2.5.2/enums/media-buy-status.json"
+          }
+        }
+      ],
+      "description": "Filter by status. Can be a single status or array of statuses"
+    },
+    "start_date": {
+      "type": "string",
+      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
+      "description": "Start date for reporting period (YYYY-MM-DD)"
+    },
+    "end_date": {
+      "type": "string",
+      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
+      "description": "End date for reporting period (YYYY-MM-DD)"
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/media-buy/get-media-buy-delivery-response.json b/dist/schemas/2.5.2/media-buy/get-media-buy-delivery-response.json
new file mode 100644
index 0000000000..58770efc88
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/get-media-buy-delivery-response.json
@@ -0,0 +1,285 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/get-media-buy-delivery-response.json",
+  "title": "Get Media Buy Delivery Response",
+  "description": "Response payload for get_media_buy_delivery task",
+  "type": "object",
+  "properties": {
+    "notification_type": {
+      "type": "string",
+      "enum": [
+        "scheduled",
+        "final",
+        "delayed",
+        "adjusted"
+      ],
+      "description": "Type of webhook notification (only present in webhook deliveries): scheduled = regular periodic update, final = campaign completed, delayed = data not yet available, adjusted = resending period with updated data"
+    },
+    "partial_data": {
+      "type": "boolean",
+      "description": "Indicates if any media buys in this webhook have missing/delayed data (only present in webhook deliveries)"
+    },
+    "unavailable_count": {
+      "type": "integer",
+      "minimum": 0,
+      "description": "Number of media buys with reporting_delayed or failed status (only present in webhook deliveries when partial_data is true)"
+    },
+    "sequence_number": {
+      "type": "integer",
+      "minimum": 1,
+      "description": "Sequential notification number (only present in webhook deliveries, starts at 1)"
+    },
+    "next_expected_at": {
+      "type": "string",
+      "format": "date-time",
+      "description": "ISO 8601 timestamp for next expected notification (only present in webhook deliveries when notification_type is not 'final')"
+    },
+    "reporting_period": {
+      "type": "object",
+      "description": "Date range for the report. All periods use UTC timezone.",
+      "properties": {
+        "start": {
+          "type": "string",
+          "format": "date-time",
+          "description": "ISO 8601 start timestamp in UTC (e.g., 2024-02-05T00:00:00Z)"
+        },
+        "end": {
+          "type": "string",
+          "format": "date-time",
+          "description": "ISO 8601 end timestamp in UTC (e.g., 2024-02-05T23:59:59Z)"
+        }
+      },
+      "required": [
+        "start",
+        "end"
+      ],
+      "additionalProperties": true
+    },
+    "currency": {
+      "type": "string",
+      "description": "ISO 4217 currency code",
+      "pattern": "^[A-Z]{3}$"
+    },
+    "aggregated_totals": {
+      "type": "object",
+      "description": "Combined metrics across all returned media buys. Only included in API responses (get_media_buy_delivery), not in webhook notifications.",
+      "properties": {
+        "impressions": {
+          "type": "number",
+          "description": "Total impressions delivered across all media buys",
+          "minimum": 0
+        },
+        "spend": {
+          "type": "number",
+          "description": "Total amount spent across all media buys",
+          "minimum": 0
+        },
+        "clicks": {
+          "type": "number",
+          "description": "Total clicks across all media buys (if applicable)",
+          "minimum": 0
+        },
+        "video_completions": {
+          "type": "number",
+          "description": "Total video completions across all media buys (if applicable)",
+          "minimum": 0
+        },
+        "media_buy_count": {
+          "type": "integer",
+          "description": "Number of media buys included in the response",
+          "minimum": 0
+        }
+      },
+      "required": [
+        "impressions",
+        "spend",
+        "media_buy_count"
+      ],
+      "additionalProperties": true
+    },
+    "media_buy_deliveries": {
+      "type": "array",
+      "description": "Array of delivery data for media buys. When used in webhook notifications, may contain multiple media buys aggregated by publisher. When used in get_media_buy_delivery API responses, typically contains requested media buys.",
+      "items": {
+        "type": "object",
+        "properties": {
+          "media_buy_id": {
+            "type": "string",
+            "description": "Publisher's media buy identifier"
+          },
+          "buyer_ref": {
+            "type": "string",
+            "description": "Buyer's reference identifier for this media buy"
+          },
+          "status": {
+            "type": "string",
+            "description": "Current media buy status. In webhook context, reporting_delayed indicates data temporarily unavailable.",
+            "enum": [
+              "pending",
+              "active",
+              "paused",
+              "completed",
+              "failed",
+              "reporting_delayed"
+            ]
+          },
+          "expected_availability": {
+            "type": "string",
+            "format": "date-time",
+            "description": "When delayed data is expected to be available (only present when status is reporting_delayed)"
+          },
+          "is_adjusted": {
+            "type": "boolean",
+            "description": "Indicates this delivery contains updated data for a previously reported period. Buyer should replace previous period data with these totals."
+          },
+          "pricing_model": {
+            "$ref": "/schemas/2.5.2/enums/pricing-model.json",
+            "description": "Pricing model used for this media buy"
+          },
+          "totals": {
+            "allOf": [
+              {
+                "$ref": "/schemas/2.5.2/core/delivery-metrics.json"
+              },
+              {
+                "type": "object",
+                "description": "Aggregate metrics for this media buy across all packages",
+                "properties": {
+                  "effective_rate": {
+                    "type": "number",
+                    "description": "Effective rate paid per unit based on pricing_model (e.g., actual CPM for 'cpm', actual cost per completed view for 'cpcv', actual cost per point for 'cpp')",
+                    "minimum": 0
+                  }
+                },
+                "required": [
+                  "spend"
+                ]
+              }
+            ]
+          },
+          "by_package": {
+            "type": "array",
+            "description": "Metrics broken down by package",
+            "items": {
+              "allOf": [
+                {
+                  "$ref": "/schemas/2.5.2/core/delivery-metrics.json"
+                },
+                {
+                  "type": "object",
+                  "properties": {
+                    "package_id": {
+                      "type": "string",
+                      "description": "Publisher's package identifier"
+                    },
+                    "buyer_ref": {
+                      "type": "string",
+                      "description": "Buyer's reference identifier for this package"
+                    },
+                    "pacing_index": {
+                      "type": "number",
+                      "description": "Delivery pace (1.0 = on track, <1.0 = behind, >1.0 = ahead)",
+                      "minimum": 0
+                    },
+                    "pricing_model": {
+                      "$ref": "/schemas/2.5.2/enums/pricing-model.json",
+                      "description": "The pricing model used for this package (e.g., cpm, cpcv, cpp). Indicates how the package is billed and which metrics are most relevant for optimization."
+                    },
+                    "rate": {
+                      "type": "number",
+                      "description": "The pricing rate for this package in the specified currency. For fixed-rate pricing, this is the agreed rate (e.g., CPM rate of 12.50 means $12.50 per 1,000 impressions). For auction-based pricing, this represents the effective rate based on actual delivery.",
+                      "minimum": 0
+                    },
+                    "currency": {
+                      "type": "string",
+                      "description": "ISO 4217 currency code (e.g., USD, EUR, GBP) for this package's pricing. Indicates the currency in which the rate and spend values are denominated. Different packages can use different currencies when supported by the publisher.",
+                      "pattern": "^[A-Z]{3}$"
+                    },
+                    "delivery_status": {
+                      "type": "string",
+                      "description": "System-reported operational state of this package. Reflects actual delivery state independent of buyer pause control.",
+                      "enum": [
+                        "delivering",
+                        "completed",
+                        "budget_exhausted",
+                        "flight_ended",
+                        "goal_met"
+                      ]
+                    },
+                    "paused": {
+                      "type": "boolean",
+                      "description": "Whether this package is currently paused by the buyer"
+                    }
+                  },
+                  "required": [
+                    "package_id",
+                    "spend",
+                    "pricing_model",
+                    "rate",
+                    "currency"
+                  ]
+                }
+              ]
+            }
+          },
+          "daily_breakdown": {
+            "type": "array",
+            "description": "Day-by-day delivery",
+            "items": {
+              "type": "object",
+              "properties": {
+                "date": {
+                  "type": "string",
+                  "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
+                  "description": "Date (YYYY-MM-DD)"
+                },
+                "impressions": {
+                  "type": "number",
+                  "description": "Daily impressions",
+                  "minimum": 0
+                },
+                "spend": {
+                  "type": "number",
+                  "description": "Daily spend",
+                  "minimum": 0
+                }
+              },
+              "required": [
+                "date",
+                "impressions",
+                "spend"
+              ],
+              "additionalProperties": true
+            }
+          }
+        },
+        "required": [
+          "media_buy_id",
+          "status",
+          "totals",
+          "by_package"
+        ],
+        "additionalProperties": true
+      }
+    },
+    "errors": {
+      "type": "array",
+      "description": "Task-specific errors and warnings (e.g., missing delivery data, reporting platform issues)",
+      "items": {
+        "$ref": "/schemas/2.5.2/core/error.json"
+      }
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "required": [
+    "reporting_period",
+    "currency",
+    "media_buy_deliveries"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/media-buy/get-products-async-response-input-required.json b/dist/schemas/2.5.2/media-buy/get-products-async-response-input-required.json
new file mode 100644
index 0000000000..3d5db4bbdd
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/get-products-async-response-input-required.json
@@ -0,0 +1,38 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/get-products-async-response-input-required.json",
+  "title": "Get Products - Input Required",
+  "description": "Payload when search is paused waiting for user clarification.",
+  "type": "object",
+  "properties": {
+    "reason": {
+      "type": "string",
+      "enum": [
+        "CLARIFICATION_NEEDED",
+        "BUDGET_REQUIRED"
+      ],
+      "description": "Reason code indicating why input is needed"
+    },
+    "partial_results": {
+      "type": "array",
+      "description": "Partial product results that may help inform the clarification",
+      "items": {
+        "$ref": "/schemas/2.5.2/core/product.json"
+      }
+    },
+    "suggestions": {
+      "type": "array",
+      "description": "Suggested values or options for the required input",
+      "items": {
+        "type": "string"
+      }
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/media-buy/get-products-async-response-submitted.json b/dist/schemas/2.5.2/media-buy/get-products-async-response-submitted.json
new file mode 100644
index 0000000000..4018eb0ee9
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/get-products-async-response-submitted.json
@@ -0,0 +1,21 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/get-products-async-response-submitted.json",
+  "title": "Get Products - Submitted",
+  "description": "Payload acknowledging the search is queued. Usually for custom/bespoke product curation.",
+  "type": "object",
+  "properties": {
+    "estimated_completion": {
+      "type": "string",
+      "format": "date-time",
+      "description": "Estimated completion time for the search"
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/media-buy/get-products-async-response-working.json b/dist/schemas/2.5.2/media-buy/get-products-async-response-working.json
new file mode 100644
index 0000000000..51528c2e91
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/get-products-async-response-working.json
@@ -0,0 +1,34 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/get-products-async-response-working.json",
+  "title": "Get Products - Working",
+  "description": "Progress payload for active get_products task.",
+  "type": "object",
+  "properties": {
+    "percentage": {
+      "type": "number",
+      "minimum": 0,
+      "maximum": 100,
+      "description": "Progress percentage of the search operation"
+    },
+    "current_step": {
+      "type": "string",
+      "description": "Current step in the search process (e.g., 'searching_inventory', 'validating_availability')"
+    },
+    "total_steps": {
+      "type": "integer",
+      "description": "Total number of steps in the search process"
+    },
+    "step_number": {
+      "type": "integer",
+      "description": "Current step number (1-indexed)"
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/media-buy/get-products-request.json b/dist/schemas/2.5.2/media-buy/get-products-request.json
new file mode 100644
index 0000000000..9af55ef26e
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/get-products-request.json
@@ -0,0 +1,28 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/get-products-request.json",
+  "title": "Get Products Request",
+  "description": "Request parameters for discovering available advertising products",
+  "type": "object",
+  "properties": {
+    "brief": {
+      "type": "string",
+      "description": "Natural language description of campaign requirements"
+    },
+    "brand_manifest": {
+      "$ref": "/schemas/2.5.2/core/brand-manifest-ref.json",
+      "description": "Brand information manifest providing brand context, assets, and product catalog. Can be provided inline or as a URL reference to a hosted manifest."
+    },
+    "filters": {
+      "$ref": "/schemas/2.5.2/core/product-filters.json"
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "required": [],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/media-buy/get-products-response.json b/dist/schemas/2.5.2/media-buy/get-products-response.json
new file mode 100644
index 0000000000..494aca7c95
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/get-products-response.json
@@ -0,0 +1,33 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/get-products-response.json",
+  "title": "Get Products Response",
+  "description": "Response payload for get_products task",
+  "type": "object",
+  "properties": {
+    "products": {
+      "type": "array",
+      "description": "Array of matching products",
+      "items": {
+        "$ref": "/schemas/2.5.2/core/product.json"
+      }
+    },
+    "errors": {
+      "type": "array",
+      "description": "Task-specific errors and warnings (e.g., product filtering issues)",
+      "items": {
+        "$ref": "/schemas/2.5.2/core/error.json"
+      }
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "required": [
+    "products"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/media-buy/list-authorized-properties-request.json b/dist/schemas/2.5.2/media-buy/list-authorized-properties-request.json
new file mode 100644
index 0000000000..3b979252b3
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/list-authorized-properties-request.json
@@ -0,0 +1,26 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/list-authorized-properties-request.json",
+  "title": "List Authorized Properties Request",
+  "description": "Request parameters for discovering which publishers this agent is authorized to represent",
+  "type": "object",
+  "properties": {
+    "publisher_domains": {
+      "type": "array",
+      "description": "Filter to specific publisher domains (optional). If omitted, returns all publishers this agent represents.",
+      "items": {
+        "type": "string",
+        "pattern": "^[a-z0-9]([a-z0-9-]*[a-z0-9])?(\\.[a-z0-9]([a-z0-9-]*[a-z0-9])?)*$",
+        "description": "Publisher domain to filter by (e.g., 'cnn.com', 'espn.com')"
+      },
+      "minItems": 1
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/media-buy/list-authorized-properties-response.json b/dist/schemas/2.5.2/media-buy/list-authorized-properties-response.json
new file mode 100644
index 0000000000..1ed2557613
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/list-authorized-properties-response.json
@@ -0,0 +1,70 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/list-authorized-properties-response.json",
+  "title": "List Authorized Properties Response",
+  "description": "Response payload for list_authorized_properties task. Lists publisher domains and authorization scope (property_ids or property_tags). Buyers fetch actual property definitions from each publisher's canonical adagents.json file.",
+  "type": "object",
+  "properties": {
+    "publisher_domains": {
+      "type": "array",
+      "description": "Publisher domains this agent is authorized to represent. Buyers should fetch each publisher's adagents.json to see property definitions and verify this agent is in their authorized_agents list with authorization scope.",
+      "items": {
+        "type": "string",
+        "pattern": "^[a-z0-9]([a-z0-9-]*[a-z0-9])?(\\.[a-z0-9]([a-z0-9-]*[a-z0-9])?)*$",
+        "description": "Domain where publisher's adagents.json is hosted (e.g., 'cnn.com')"
+      },
+      "minItems": 1
+    },
+    "primary_channels": {
+      "type": "array",
+      "description": "Primary advertising channels represented in this property portfolio. Helps buying agents quickly filter relevance.",
+      "items": {
+        "$ref": "/schemas/2.5.2/enums/channels.json"
+      },
+      "minItems": 1
+    },
+    "primary_countries": {
+      "type": "array",
+      "description": "Primary countries (ISO 3166-1 alpha-2 codes) where properties are concentrated. Helps buying agents quickly filter relevance.",
+      "items": {
+        "type": "string",
+        "pattern": "^[A-Z]{2}$"
+      },
+      "minItems": 1
+    },
+    "portfolio_description": {
+      "type": "string",
+      "description": "Markdown-formatted description of the property portfolio, including inventory types, audience characteristics, and special features.",
+      "minLength": 1,
+      "maxLength": 5000
+    },
+    "advertising_policies": {
+      "type": "string",
+      "description": "Publisher's advertising content policies, restrictions, and guidelines in natural language. May include prohibited categories, blocked advertisers, restricted tactics, brand safety requirements, or links to full policy documentation.",
+      "minLength": 1,
+      "maxLength": 10000
+    },
+    "last_updated": {
+      "type": "string",
+      "format": "date-time",
+      "description": "ISO 8601 timestamp of when the agent's publisher authorization list was last updated. Buyers can use this to determine if their cached publisher adagents.json files might be stale."
+    },
+    "errors": {
+      "type": "array",
+      "description": "Task-specific errors and warnings (e.g., property availability issues)",
+      "items": {
+        "$ref": "/schemas/2.5.2/core/error.json"
+      }
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "required": [
+    "publisher_domains"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/media-buy/list-creative-formats-request.json b/dist/schemas/2.5.2/media-buy/list-creative-formats-request.json
new file mode 100644
index 0000000000..a337428d00
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/list-creative-formats-request.json
@@ -0,0 +1,58 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/list-creative-formats-request.json",
+  "title": "List Creative Formats Request",
+  "description": "Request parameters for discovering supported creative formats",
+  "type": "object",
+  "properties": {
+    "format_ids": {
+      "type": "array",
+      "description": "Return only these specific format IDs (e.g., from get_products response)",
+      "items": {
+        "$ref": "/schemas/2.5.2/core/format-id.json"
+      }
+    },
+    "type": {
+      "$ref": "/schemas/2.5.2/enums/format-category.json",
+      "description": "Filter by format type (technical categories with distinct requirements)"
+    },
+    "asset_types": {
+      "type": "array",
+      "description": "Filter to formats that include these asset types. For third-party tags, search for 'html' or 'javascript'. E.g., ['image', 'text'] returns formats with images and text, ['javascript'] returns formats accepting JavaScript tags.",
+      "items": {
+        "$ref": "/schemas/2.5.2/enums/asset-content-type.json"
+      }
+    },
+    "max_width": {
+      "type": "integer",
+      "description": "Maximum width in pixels (inclusive). Returns formats where ANY render has width <= this value. For multi-render formats, matches if at least one render fits."
+    },
+    "max_height": {
+      "type": "integer",
+      "description": "Maximum height in pixels (inclusive). Returns formats where ANY render has height <= this value. For multi-render formats, matches if at least one render fits."
+    },
+    "min_width": {
+      "type": "integer",
+      "description": "Minimum width in pixels (inclusive). Returns formats where ANY render has width >= this value."
+    },
+    "min_height": {
+      "type": "integer",
+      "description": "Minimum height in pixels (inclusive). Returns formats where ANY render has height >= this value."
+    },
+    "is_responsive": {
+      "type": "boolean",
+      "description": "Filter for responsive formats that adapt to container size. When true, returns formats without fixed dimensions."
+    },
+    "name_search": {
+      "type": "string",
+      "description": "Search for formats by name (case-insensitive partial match)"
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/media-buy/list-creative-formats-response.json b/dist/schemas/2.5.2/media-buy/list-creative-formats-response.json
new file mode 100644
index 0000000000..af459bb1d9
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/list-creative-formats-response.json
@@ -0,0 +1,61 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/list-creative-formats-response.json",
+  "title": "List Creative Formats Response",
+  "description": "Response payload for list_creative_formats task",
+  "type": "object",
+  "properties": {
+    "formats": {
+      "type": "array",
+      "description": "Full format definitions for all formats this agent supports. Each format's authoritative source is indicated by its agent_url field.",
+      "items": {
+        "$ref": "/schemas/2.5.2/core/format.json"
+      }
+    },
+    "creative_agents": {
+      "type": "array",
+      "description": "Optional: Creative agents that provide additional formats. Buyers can recursively query these agents to discover more formats. No authentication required for list_creative_formats.",
+      "items": {
+        "type": "object",
+        "properties": {
+          "agent_url": {
+            "type": "string",
+            "format": "uri",
+            "description": "Base URL for the creative agent (e.g., 'https://reference.adcp.org', 'https://dco.example.com'). Call list_creative_formats on this URL to get its formats."
+          },
+          "agent_name": {
+            "type": "string",
+            "description": "Human-readable name for the creative agent"
+          },
+          "capabilities": {
+            "type": "array",
+            "description": "Capabilities this creative agent provides",
+            "items": {
+              "$ref": "/schemas/2.5.2/enums/creative-agent-capability.json"
+            }
+          }
+        },
+        "required": [
+          "agent_url"
+        ]
+      }
+    },
+    "errors": {
+      "type": "array",
+      "description": "Task-specific errors and warnings (e.g., format availability issues)",
+      "items": {
+        "$ref": "/schemas/2.5.2/core/error.json"
+      }
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "required": [
+    "formats"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/media-buy/list-creatives-request.json b/dist/schemas/2.5.2/media-buy/list-creatives-request.json
new file mode 100644
index 0000000000..81adadf1a7
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/list-creatives-request.json
@@ -0,0 +1,137 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/list-creatives-request.json",
+  "title": "List Creatives Request",
+  "description": "Request parameters for querying creative assets from the centralized library with filtering, sorting, and pagination",
+  "type": "object",
+  "properties": {
+    "filters": {
+      "$ref": "/schemas/2.5.2/core/creative-filters.json"
+    },
+    "sort": {
+      "type": "object",
+      "description": "Sorting parameters",
+      "properties": {
+        "field": {
+          "$ref": "/schemas/2.5.2/enums/creative-sort-field.json",
+          "default": "created_date",
+          "description": "Field to sort by"
+        },
+        "direction": {
+          "$ref": "/schemas/2.5.2/enums/sort-direction.json",
+          "default": "desc",
+          "description": "Sort direction"
+        }
+      },
+      "additionalProperties": true
+    },
+    "pagination": {
+      "type": "object",
+      "description": "Pagination parameters",
+      "properties": {
+        "limit": {
+          "type": "integer",
+          "minimum": 1,
+          "maximum": 100,
+          "default": 50,
+          "description": "Maximum number of creatives to return"
+        },
+        "offset": {
+          "type": "integer",
+          "minimum": 0,
+          "default": 0,
+          "description": "Number of creatives to skip"
+        }
+      },
+      "additionalProperties": true
+    },
+    "include_assignments": {
+      "type": "boolean",
+      "default": true,
+      "description": "Include package assignment information in response"
+    },
+    "include_performance": {
+      "type": "boolean",
+      "default": false,
+      "description": "Include aggregated performance metrics in response"
+    },
+    "include_sub_assets": {
+      "type": "boolean",
+      "default": false,
+      "description": "Include sub-assets (for carousel/native formats) in response"
+    },
+    "fields": {
+      "type": "array",
+      "description": "Specific fields to include in response (omit for all fields)",
+      "items": {
+        "type": "string",
+        "enum": [
+          "creative_id",
+          "name",
+          "format",
+          "status",
+          "created_date",
+          "updated_date",
+          "tags",
+          "assignments",
+          "performance",
+          "sub_assets"
+        ]
+      }
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "additionalProperties": true,
+  "examples": [
+    {
+      "description": "List all approved video creatives",
+      "data": {
+        "filters": {
+          "format": "video",
+          "status": "approved"
+        }
+      }
+    },
+    {
+      "description": "Search for Nike creatives with performance data",
+      "data": {
+        "filters": {
+          "name_contains": "nike",
+          "has_performance_data": true
+        },
+        "include_performance": true
+      }
+    },
+    {
+      "description": "Get unassigned creatives for assignment",
+      "data": {
+        "filters": {
+          "unassigned": true
+        },
+        "sort": {
+          "field": "created_date",
+          "direction": "desc"
+        },
+        "pagination": {
+          "limit": 20
+        }
+      }
+    },
+    {
+      "description": "Lightweight list with minimal fields",
+      "data": {
+        "fields": [
+          "creative_id",
+          "name",
+          "status"
+        ],
+        "include_assignments": false
+      }
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/media-buy/list-creatives-response.json b/dist/schemas/2.5.2/media-buy/list-creatives-response.json
new file mode 100644
index 0000000000..cc32ccc46c
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/list-creatives-response.json
@@ -0,0 +1,437 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/list-creatives-response.json",
+  "title": "List Creatives Response",
+  "description": "Response from creative library query with filtered results, metadata, and optional enriched data",
+  "type": "object",
+  "properties": {
+    "query_summary": {
+      "type": "object",
+      "description": "Summary of the query that was executed",
+      "properties": {
+        "total_matching": {
+          "type": "integer",
+          "description": "Total number of creatives matching filters (across all pages)",
+          "minimum": 0
+        },
+        "returned": {
+          "type": "integer",
+          "description": "Number of creatives returned in this response",
+          "minimum": 0
+        },
+        "filters_applied": {
+          "type": "array",
+          "description": "List of filters that were applied to the query",
+          "items": {
+            "type": "string"
+          }
+        },
+        "sort_applied": {
+          "type": "object",
+          "description": "Sort order that was applied",
+          "properties": {
+            "field": {
+              "type": "string"
+            },
+            "direction": {
+              "$ref": "/schemas/2.5.2/enums/sort-direction.json"
+            }
+          }
+        }
+      },
+      "required": [
+        "total_matching",
+        "returned"
+      ],
+      "additionalProperties": true
+    },
+    "pagination": {
+      "type": "object",
+      "description": "Pagination information for navigating results",
+      "properties": {
+        "limit": {
+          "type": "integer",
+          "description": "Maximum number of results requested",
+          "minimum": 1
+        },
+        "offset": {
+          "type": "integer",
+          "description": "Number of results skipped",
+          "minimum": 0
+        },
+        "has_more": {
+          "type": "boolean",
+          "description": "Whether more results are available"
+        },
+        "total_pages": {
+          "type": "integer",
+          "description": "Total number of pages available",
+          "minimum": 0
+        },
+        "current_page": {
+          "type": "integer",
+          "description": "Current page number (1-based)",
+          "minimum": 1
+        }
+      },
+      "required": [
+        "limit",
+        "offset",
+        "has_more"
+      ],
+      "additionalProperties": true
+    },
+    "creatives": {
+      "type": "array",
+      "description": "Array of creative assets matching the query",
+      "items": {
+        "type": "object",
+        "properties": {
+          "creative_id": {
+            "type": "string",
+            "description": "Unique identifier for the creative"
+          },
+          "name": {
+            "type": "string",
+            "description": "Human-readable creative name"
+          },
+          "format_id": {
+            "$ref": "/schemas/2.5.2/core/format-id.json",
+            "description": "Format identifier specifying which format this creative conforms to"
+          },
+          "status": {
+            "$ref": "/schemas/2.5.2/enums/creative-status.json",
+            "description": "Current approval status of the creative"
+          },
+          "created_date": {
+            "type": "string",
+            "format": "date-time",
+            "description": "When the creative was uploaded to the library"
+          },
+          "updated_date": {
+            "type": "string",
+            "format": "date-time",
+            "description": "When the creative was last modified"
+          },
+          "assets": {
+            "type": "object",
+            "description": "Assets for this creative, keyed by asset_role",
+            "patternProperties": {
+              "^[a-zA-Z0-9_-]+$": {
+                "oneOf": [
+                  {
+                    "$ref": "/schemas/2.5.2/core/assets/image-asset.json"
+                  },
+                  {
+                    "$ref": "/schemas/2.5.2/core/assets/video-asset.json"
+                  },
+                  {
+                    "$ref": "/schemas/2.5.2/core/assets/audio-asset.json"
+                  },
+                  {
+                    "$ref": "/schemas/2.5.2/core/assets/text-asset.json"
+                  },
+                  {
+                    "$ref": "/schemas/2.5.2/core/assets/html-asset.json"
+                  },
+                  {
+                    "$ref": "/schemas/2.5.2/core/assets/css-asset.json"
+                  },
+                  {
+                    "$ref": "/schemas/2.5.2/core/assets/javascript-asset.json"
+                  },
+                  {
+                    "$ref": "/schemas/2.5.2/core/assets/vast-asset.json"
+                  },
+                  {
+                    "$ref": "/schemas/2.5.2/core/assets/daast-asset.json"
+                  },
+                  {
+                    "$ref": "/schemas/2.5.2/core/promoted-offerings.json"
+                  },
+                  {
+                    "$ref": "/schemas/2.5.2/core/assets/url-asset.json"
+                  }
+                ]
+              }
+            }
+          },
+          "tags": {
+            "type": "array",
+            "description": "User-defined tags for organization and searchability",
+            "items": {
+              "type": "string"
+            }
+          },
+          "assignments": {
+            "type": "object",
+            "description": "Current package assignments (included when include_assignments=true)",
+            "properties": {
+              "assignment_count": {
+                "type": "integer",
+                "description": "Total number of active package assignments",
+                "minimum": 0
+              },
+              "assigned_packages": {
+                "type": "array",
+                "description": "List of packages this creative is assigned to",
+                "items": {
+                  "type": "object",
+                  "properties": {
+                    "package_id": {
+                      "type": "string",
+                      "description": "Package identifier"
+                    },
+                    "package_name": {
+                      "type": "string",
+                      "description": "Human-readable package name"
+                    },
+                    "assigned_date": {
+                      "type": "string",
+                      "format": "date-time",
+                      "description": "When this assignment was created"
+                    },
+                    "status": {
+                      "type": "string",
+                      "enum": [
+                        "active",
+                        "paused",
+                        "ended"
+                      ],
+                      "description": "Status of this specific assignment"
+                    }
+                  },
+                  "required": [
+                    "package_id",
+                    "assigned_date",
+                    "status"
+                  ],
+                  "additionalProperties": true
+                }
+              }
+            },
+            "required": [
+              "assignment_count"
+            ],
+            "additionalProperties": true
+          },
+          "performance": {
+            "type": "object",
+            "description": "Aggregated performance metrics (included when include_performance=true)",
+            "properties": {
+              "impressions": {
+                "type": "integer",
+                "description": "Total impressions across all assignments",
+                "minimum": 0
+              },
+              "clicks": {
+                "type": "integer",
+                "description": "Total clicks across all assignments",
+                "minimum": 0
+              },
+              "ctr": {
+                "type": "number",
+                "description": "Click-through rate (clicks/impressions)",
+                "minimum": 0,
+                "maximum": 1
+              },
+              "conversion_rate": {
+                "type": "number",
+                "description": "Conversion rate across all assignments",
+                "minimum": 0,
+                "maximum": 1
+              },
+              "performance_score": {
+                "type": "number",
+                "description": "Aggregated performance score (0-100)",
+                "minimum": 0,
+                "maximum": 100
+              },
+              "last_updated": {
+                "type": "string",
+                "format": "date-time",
+                "description": "When performance data was last updated"
+              }
+            },
+            "required": [
+              "last_updated"
+            ],
+            "additionalProperties": true
+          },
+          "sub_assets": {
+            "type": "array",
+            "description": "Sub-assets for multi-asset formats (included when include_sub_assets=true)",
+            "items": {
+              "$ref": "/schemas/2.5.2/core/sub-asset.json"
+            }
+          }
+        },
+        "required": [
+          "creative_id",
+          "name",
+          "format_id",
+          "status",
+          "created_date",
+          "updated_date"
+        ],
+        "additionalProperties": true
+      }
+    },
+    "format_summary": {
+      "type": "object",
+      "description": "Breakdown of creatives by format type",
+      "patternProperties": {
+        "^[a-zA-Z0-9_-]+$": {
+          "type": "integer",
+          "description": "Number of creatives with this format",
+          "minimum": 0
+        }
+      },
+      "additionalProperties": true
+    },
+    "status_summary": {
+      "type": "object",
+      "description": "Breakdown of creatives by status",
+      "properties": {
+        "approved": {
+          "type": "integer",
+          "description": "Number of approved creatives",
+          "minimum": 0
+        },
+        "pending_review": {
+          "type": "integer",
+          "description": "Number of creatives pending review",
+          "minimum": 0
+        },
+        "rejected": {
+          "type": "integer",
+          "description": "Number of rejected creatives",
+          "minimum": 0
+        },
+        "archived": {
+          "type": "integer",
+          "description": "Number of archived creatives",
+          "minimum": 0
+        }
+      },
+      "additionalProperties": true
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "required": [
+    "query_summary",
+    "pagination",
+    "creatives"
+  ],
+  "additionalProperties": true,
+  "examples": [
+    {
+      "description": "Successful library query with results",
+      "data": {
+        "query_summary": {
+          "total_matching": 3,
+          "returned": 3,
+          "filters_applied": [
+            "format=video",
+            "status=approved"
+          ],
+          "sort_applied": {
+            "field": "created_date",
+            "direction": "desc"
+          }
+        },
+        "pagination": {
+          "limit": 50,
+          "offset": 0,
+          "has_more": false,
+          "total_pages": 1,
+          "current_page": 1
+        },
+        "creatives": [
+          {
+            "creative_id": "hero_video_30s",
+            "name": "Brand Hero Video 30s",
+            "format_id": {
+              "agent_url": "https://creative.adcontextprotocol.org",
+              "id": "video_30s_vast"
+            },
+            "status": "approved",
+            "created_date": "2024-01-15T10:30:00Z",
+            "updated_date": "2024-01-15T14:20:00Z",
+            "assets": {
+              "vast": {
+                "url": "https://vast.example.com/video/123",
+                "vast_version": "4.1"
+              }
+            },
+            "tags": [
+              "q1_2024",
+              "video",
+              "brand_awareness"
+            ]
+          }
+        ],
+        "format_summary": {
+          "video_30s_vast": 2,
+          "display_300x250": 1
+        },
+        "status_summary": {
+          "approved": 3,
+          "pending_review": 0,
+          "rejected": 0,
+          "archived": 0
+        }
+      }
+    },
+    {
+      "description": "Query with assignments and performance data",
+      "data": {
+        "query_summary": {
+          "total_matching": 1,
+          "returned": 1
+        },
+        "pagination": {
+          "limit": 50,
+          "offset": 0,
+          "has_more": false
+        },
+        "creatives": [
+          {
+            "creative_id": "hero_video_30s",
+            "name": "Brand Hero Video 30s",
+            "format_id": {
+              "agent_url": "https://creative.adcontextprotocol.org",
+              "id": "video_30s_vast"
+            },
+            "status": "approved",
+            "created_date": "2024-01-15T10:30:00Z",
+            "updated_date": "2024-01-15T14:20:00Z",
+            "assignments": {
+              "assignment_count": 2,
+              "assigned_packages": [
+                {
+                  "package_id": "pkg_ctv_001",
+                  "package_name": "CTV Prime Time",
+                  "assigned_date": "2024-01-16T09:00:00Z",
+                  "status": "active"
+                }
+              ]
+            },
+            "performance": {
+              "impressions": 150000,
+              "clicks": 1200,
+              "ctr": 0.008,
+              "performance_score": 85.2,
+              "last_updated": "2024-01-20T12:00:00Z"
+            }
+          }
+        ]
+      }
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/media-buy/package-request.json b/dist/schemas/2.5.2/media-buy/package-request.json
new file mode 100644
index 0000000000..b2a044b3e1
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/package-request.json
@@ -0,0 +1,70 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/package-request.json",
+  "title": "Package Request",
+  "description": "Package configuration for media buy creation",
+  "type": "object",
+  "properties": {
+    "buyer_ref": {
+      "type": "string",
+      "description": "Buyer's reference identifier for this package"
+    },
+    "product_id": {
+      "type": "string",
+      "description": "Product ID for this package"
+    },
+    "format_ids": {
+      "type": "array",
+      "description": "Array of format IDs that will be used for this package - must be supported by the product. If omitted, defaults to all formats supported by the product.",
+      "items": {
+        "$ref": "/schemas/2.5.2/core/format-id.json"
+      },
+      "minItems": 1
+    },
+    "budget": {
+      "type": "number",
+      "description": "Budget allocation for this package in the media buy's currency",
+      "minimum": 0
+    },
+    "pacing": {
+      "$ref": "/schemas/2.5.2/enums/pacing.json"
+    },
+    "pricing_option_id": {
+      "type": "string",
+      "description": "ID of the selected pricing option from the product's pricing_options array"
+    },
+    "bid_price": {
+      "type": "number",
+      "description": "Bid price for auction-based CPM pricing (required if using cpm-auction-option)",
+      "minimum": 0
+    },
+    "targeting_overlay": {
+      "$ref": "/schemas/2.5.2/core/targeting.json"
+    },
+    "creative_ids": {
+      "type": "array",
+      "description": "Creative IDs to assign to this package at creation time (references existing library creatives)",
+      "items": {
+        "type": "string"
+      }
+    },
+    "creatives": {
+      "type": "array",
+      "description": "Full creative objects to upload and assign to this package at creation time (alternative to creative_ids - creatives will be added to library). Supports both static and generative creatives.",
+      "items": {
+        "$ref": "/schemas/2.5.2/core/creative-asset.json"
+      },
+      "maxItems": 100
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "required": [
+    "buyer_ref",
+    "product_id",
+    "budget",
+    "pricing_option_id"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/media-buy/provide-performance-feedback-request.json b/dist/schemas/2.5.2/media-buy/provide-performance-feedback-request.json
new file mode 100644
index 0000000000..ff4c9e796c
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/provide-performance-feedback-request.json
@@ -0,0 +1,88 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/provide-performance-feedback-request.json",
+  "title": "Provide Performance Feedback Request",
+  "description": "Request payload for provide_performance_feedback task",
+  "type": "object",
+  "properties": {
+    "media_buy_id": {
+      "type": "string",
+      "description": "Publisher's media buy identifier",
+      "minLength": 1
+    },
+    "buyer_ref": {
+      "type": "string",
+      "description": "Buyer's reference for the media buy",
+      "minLength": 1
+    },
+    "measurement_period": {
+      "type": "object",
+      "description": "Time period for performance measurement",
+      "properties": {
+        "start": {
+          "type": "string",
+          "format": "date-time",
+          "description": "ISO 8601 start timestamp for measurement period"
+        },
+        "end": {
+          "type": "string",
+          "format": "date-time",
+          "description": "ISO 8601 end timestamp for measurement period"
+        }
+      },
+      "required": [
+        "start",
+        "end"
+      ],
+      "additionalProperties": true
+    },
+    "performance_index": {
+      "type": "number",
+      "description": "Normalized performance score (0.0 = no value, 1.0 = expected, >1.0 = above expected)",
+      "minimum": 0
+    },
+    "package_id": {
+      "type": "string",
+      "description": "Specific package within the media buy (if feedback is package-specific)",
+      "minLength": 1
+    },
+    "creative_id": {
+      "type": "string",
+      "description": "Specific creative asset (if feedback is creative-specific)",
+      "minLength": 1
+    },
+    "metric_type": {
+      "$ref": "/schemas/2.5.2/enums/metric-type.json",
+      "description": "The business metric being measured",
+      "default": "overall_performance"
+    },
+    "feedback_source": {
+      "$ref": "/schemas/2.5.2/enums/feedback-source.json",
+      "description": "Source of the performance data",
+      "default": "buyer_attribution"
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "oneOf": [
+    {
+      "required": [
+        "media_buy_id",
+        "measurement_period",
+        "performance_index"
+      ]
+    },
+    {
+      "required": [
+        "buyer_ref",
+        "measurement_period",
+        "performance_index"
+      ]
+    }
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/media-buy/provide-performance-feedback-response.json b/dist/schemas/2.5.2/media-buy/provide-performance-feedback-response.json
new file mode 100644
index 0000000000..e05c001a10
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/provide-performance-feedback-response.json
@@ -0,0 +1,66 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/provide-performance-feedback-response.json",
+  "title": "Provide Performance Feedback Response",
+  "description": "Response payload for provide_performance_feedback task. Returns either success confirmation OR error information, never both.",
+  "type": "object",
+  "oneOf": [
+    {
+      "title": "ProvidePerformanceFeedbackSuccess",
+      "description": "Success response - feedback received and processed",
+      "type": "object",
+      "properties": {
+        "success": {
+          "type": "boolean",
+          "description": "Whether the performance feedback was successfully received",
+          "const": true
+        },
+        "context": {
+          "$ref": "/schemas/2.5.2/core/context.json"
+        },
+        "ext": {
+          "$ref": "/schemas/2.5.2/core/ext.json"
+        }
+      },
+      "required": [
+        "success"
+      ],
+      "additionalProperties": true,
+      "not": {
+        "required": [
+          "errors"
+        ]
+      }
+    },
+    {
+      "title": "ProvidePerformanceFeedbackError",
+      "description": "Error response - feedback rejected or could not be processed",
+      "type": "object",
+      "properties": {
+        "errors": {
+          "type": "array",
+          "description": "Array of errors explaining why feedback was rejected (e.g., invalid measurement period, missing campaign data)",
+          "items": {
+            "$ref": "/schemas/2.5.2/core/error.json"
+          },
+          "minItems": 1
+        },
+        "context": {
+          "$ref": "/schemas/2.5.2/core/context.json"
+        },
+        "ext": {
+          "$ref": "/schemas/2.5.2/core/ext.json"
+        }
+      },
+      "required": [
+        "errors"
+      ],
+      "additionalProperties": true,
+      "not": {
+        "required": [
+          "success"
+        ]
+      }
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/media-buy/sync-creatives-async-response-input-required.json b/dist/schemas/2.5.2/media-buy/sync-creatives-async-response-input-required.json
new file mode 100644
index 0000000000..755c441392
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/sync-creatives-async-response-input-required.json
@@ -0,0 +1,25 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/sync-creatives-async-response-input-required.json",
+  "title": "Sync Creatives - Input Required",
+  "description": "Payload when sync_creatives task is paused waiting for buyer clarification or approval.",
+  "type": "object",
+  "properties": {
+    "reason": {
+      "type": "string",
+      "enum": [
+        "APPROVAL_REQUIRED",
+        "ASSET_CONFIRMATION",
+        "FORMAT_CLARIFICATION"
+      ],
+      "description": "Reason code indicating why buyer input is needed"
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/media-buy/sync-creatives-async-response-submitted.json b/dist/schemas/2.5.2/media-buy/sync-creatives-async-response-submitted.json
new file mode 100644
index 0000000000..6b0a9b97c3
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/sync-creatives-async-response-submitted.json
@@ -0,0 +1,16 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/sync-creatives-async-response-submitted.json",
+  "title": "Sync Creatives - Submitted",
+  "description": "Payload acknowledging sync_creatives task is queued for processing.",
+  "type": "object",
+  "properties": {
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/media-buy/sync-creatives-async-response-working.json b/dist/schemas/2.5.2/media-buy/sync-creatives-async-response-working.json
new file mode 100644
index 0000000000..93b5263115
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/sync-creatives-async-response-working.json
@@ -0,0 +1,46 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/sync-creatives-async-response-working.json",
+  "title": "Sync Creatives - Working",
+  "description": "Progress payload for active sync_creatives task.",
+  "type": "object",
+  "properties": {
+    "percentage": {
+      "type": "number",
+      "minimum": 0,
+      "maximum": 100,
+      "description": "Completion percentage (0-100)"
+    },
+    "current_step": {
+      "type": "string",
+      "description": "Current step or phase of the operation"
+    },
+    "total_steps": {
+      "type": "integer",
+      "minimum": 1,
+      "description": "Total number of steps in the operation"
+    },
+    "step_number": {
+      "type": "integer",
+      "minimum": 1,
+      "description": "Current step number"
+    },
+    "creatives_processed": {
+      "type": "integer",
+      "minimum": 0,
+      "description": "Number of creatives processed so far"
+    },
+    "creatives_total": {
+      "type": "integer",
+      "minimum": 0,
+      "description": "Total number of creatives to process"
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/media-buy/sync-creatives-request.json b/dist/schemas/2.5.2/media-buy/sync-creatives-request.json
new file mode 100644
index 0000000000..7b11860c69
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/sync-creatives-request.json
@@ -0,0 +1,178 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/sync-creatives-request.json",
+  "title": "Sync Creatives Request",
+  "description": "Request parameters for syncing creative assets with upsert semantics - supports bulk operations, scoped updates, and assignment management",
+  "type": "object",
+  "properties": {
+    "creatives": {
+      "type": "array",
+      "description": "Array of creative assets to sync (create or update)",
+      "items": {
+        "$ref": "/schemas/2.5.2/core/creative-asset.json"
+      },
+      "maxItems": 100
+    },
+    "creative_ids": {
+      "type": "array",
+      "description": "Optional filter to limit sync scope to specific creative IDs. When provided, only these creatives will be created/updated. Other creatives in the library are unaffected. Useful for partial updates and error recovery.",
+      "items": {
+        "type": "string"
+      },
+      "maxItems": 100
+    },
+    "assignments": {
+      "type": "object",
+      "description": "Optional bulk assignment of creatives to packages",
+      "patternProperties": {
+        "^[a-zA-Z0-9_-]+$": {
+          "type": "array",
+          "description": "Array of package IDs to assign this creative to",
+          "items": {
+            "type": "string"
+          }
+        }
+      },
+      "additionalProperties": true
+    },
+    "delete_missing": {
+      "type": "boolean",
+      "default": false,
+      "description": "When true, creatives not included in this sync will be archived. Use with caution for full library replacement."
+    },
+    "dry_run": {
+      "type": "boolean",
+      "default": false,
+      "description": "When true, preview changes without applying them. Returns what would be created/updated/deleted."
+    },
+    "validation_mode": {
+      "$ref": "/schemas/2.5.2/enums/validation-mode.json",
+      "default": "strict",
+      "description": "Validation strictness. 'strict' fails entire sync on any validation error. 'lenient' processes valid creatives and reports errors."
+    },
+    "push_notification_config": {
+      "$ref": "/schemas/2.5.2/core/push-notification-config.json",
+      "description": "Optional webhook configuration for async sync notifications. Publisher will send webhook when sync completes if operation takes longer than immediate response time (typically for large bulk operations or manual approval/HITL)."
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "required": [
+    "creatives"
+  ],
+  "additionalProperties": true,
+  "examples": [
+    {
+      "description": "Full sync with hosted video creative",
+      "data": {
+        "creatives": [
+          {
+            "creative_id": "hero_video_30s",
+            "name": "Brand Hero Video 30s",
+            "format_id": {
+              "agent_url": "https://creative.adcontextprotocol.org",
+              "id": "video_standard_30s"
+            },
+            "assets": {
+              "video": {
+                "url": "https://cdn.example.com/hero-video.mp4",
+                "width": 1920,
+                "height": 1080,
+                "duration_ms": 30000
+              }
+            },
+            "tags": [
+              "q1_2024",
+              "video"
+            ]
+          }
+        ],
+        "assignments": {
+          "hero_video_30s": [
+            "pkg_ctv_001",
+            "pkg_ctv_002"
+          ]
+        }
+      }
+    },
+    {
+      "description": "Generative creative with approval",
+      "data": {
+        "creatives": [
+          {
+            "creative_id": "holiday_hero",
+            "name": "Holiday Campaign Hero",
+            "format_id": {
+              "agent_url": "https://publisher.com/.well-known/adcp/sales",
+              "id": "premium_bespoke_display"
+            },
+            "assets": {
+              "promoted_offerings": {
+                "brand_manifest": {
+                  "url": "https://retailer.com",
+                  "colors": {
+                    "primary": "#C41E3A",
+                    "secondary": "#165B33"
+                  }
+                }
+              },
+              "generation_prompt": {
+                "content": "Create a warm, festive holiday campaign featuring winter products"
+              }
+            },
+            "tags": [
+              "holiday",
+              "q4_2024"
+            ]
+          }
+        ]
+      }
+    },
+    {
+      "description": "Scoped update using creative_ids filter",
+      "data": {
+        "creative_ids": [
+          "hero_video_30s",
+          "banner_300x250"
+        ],
+        "creatives": [
+          {
+            "creative_id": "hero_video_30s",
+            "name": "Brand Hero Video 30s - Updated",
+            "format_id": {
+              "agent_url": "https://creative.adcontextprotocol.org",
+              "id": "video_standard_30s"
+            },
+            "assets": {
+              "video": {
+                "url": "https://cdn.example.com/updated-hero.mp4",
+                "width": 1920,
+                "height": 1080,
+                "duration_ms": 30000
+              }
+            }
+          },
+          {
+            "creative_id": "banner_300x250",
+            "name": "Display Banner 300x250 - Updated",
+            "format_id": {
+              "agent_url": "https://creative.adcontextprotocol.org",
+              "id": "display_300x250"
+            },
+            "assets": {
+              "image": {
+                "url": "https://cdn.example.com/updated-banner.png",
+                "width": 300,
+                "height": 250
+              }
+            }
+          }
+        ]
+      }
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/media-buy/sync-creatives-response.json b/dist/schemas/2.5.2/media-buy/sync-creatives-response.json
new file mode 100644
index 0000000000..0acc0b15c2
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/sync-creatives-response.json
@@ -0,0 +1,149 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/sync-creatives-response.json",
+  "title": "Sync Creatives Response",
+  "description": "Response from creative sync operation. Returns either per-creative results (best-effort processing) OR operation-level errors (complete failure). This enforces atomic semantics at the operation level while allowing per-item failures within successful operations.",
+  "type": "object",
+  "oneOf": [
+    {
+      "title": "SyncCreativesSuccess",
+      "description": "Success response - sync operation processed creatives (may include per-item failures)",
+      "type": "object",
+      "properties": {
+        "dry_run": {
+          "type": "boolean",
+          "description": "Whether this was a dry run (no actual changes made)"
+        },
+        "creatives": {
+          "type": "array",
+          "description": "Results for each creative processed. Items with action='failed' indicate per-item validation/processing failures, not operation-level failures.",
+          "items": {
+            "type": "object",
+            "properties": {
+              "creative_id": {
+                "type": "string",
+                "description": "Creative ID from the request"
+              },
+              "action": {
+                "$ref": "/schemas/2.5.2/enums/creative-action.json",
+                "description": "Action taken for this creative"
+              },
+              "platform_id": {
+                "type": "string",
+                "description": "Platform-specific ID assigned to the creative"
+              },
+              "changes": {
+                "type": "array",
+                "description": "Field names that were modified (only present when action='updated')",
+                "items": {
+                  "type": "string"
+                }
+              },
+              "errors": {
+                "type": "array",
+                "description": "Validation or processing errors (only present when action='failed')",
+                "items": {
+                  "type": "string"
+                }
+              },
+              "warnings": {
+                "type": "array",
+                "description": "Non-fatal warnings about this creative",
+                "items": {
+                  "type": "string"
+                }
+              },
+              "preview_url": {
+                "type": "string",
+                "format": "uri",
+                "description": "Preview URL for generative creatives (only present for generative formats)"
+              },
+              "expires_at": {
+                "type": "string",
+                "format": "date-time",
+                "description": "ISO 8601 timestamp when preview link expires (only present when preview_url exists)"
+              },
+              "assigned_to": {
+                "type": "array",
+                "description": "Package IDs this creative was successfully assigned to (only present when assignments were requested)",
+                "items": {
+                  "type": "string"
+                }
+              },
+              "assignment_errors": {
+                "type": "object",
+                "description": "Assignment errors by package ID (only present when assignment failures occurred)",
+                "patternProperties": {
+                  "^[a-zA-Z0-9_-]+$": {
+                    "type": "string",
+                    "description": "Error message for this package assignment"
+                  }
+                },
+                "additionalProperties": true
+              }
+            },
+            "required": [
+              "creative_id",
+              "action"
+            ],
+            "additionalProperties": true
+          }
+        },
+        "context": {
+          "$ref": "/schemas/2.5.2/core/context.json"
+        },
+        "ext": {
+          "$ref": "/schemas/2.5.2/core/ext.json"
+        }
+      },
+      "required": [
+        "creatives"
+      ],
+      "additionalProperties": true,
+      "not": {
+        "required": [
+          "errors"
+        ]
+      }
+    },
+    {
+      "title": "SyncCreativesError",
+      "description": "Error response - operation failed completely, no creatives were processed",
+      "type": "object",
+      "properties": {
+        "errors": {
+          "type": "array",
+          "description": "Operation-level errors that prevented processing any creatives (e.g., authentication failure, service unavailable, invalid request format)",
+          "items": {
+            "$ref": "/schemas/2.5.2/core/error.json"
+          },
+          "minItems": 1
+        },
+        "context": {
+          "$ref": "/schemas/2.5.2/core/context.json"
+        },
+        "ext": {
+          "$ref": "/schemas/2.5.2/core/ext.json"
+        }
+      },
+      "required": [
+        "errors"
+      ],
+      "additionalProperties": true,
+      "not": {
+        "anyOf": [
+          {
+            "required": [
+              "creatives"
+            ]
+          },
+          {
+            "required": [
+              "dry_run"
+            ]
+          }
+        ]
+      }
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/media-buy/update-media-buy-async-response-input-required.json b/dist/schemas/2.5.2/media-buy/update-media-buy-async-response-input-required.json
new file mode 100644
index 0000000000..dec90564eb
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/update-media-buy-async-response-input-required.json
@@ -0,0 +1,24 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/update-media-buy-async-response-input-required.json",
+  "title": "Update Media Buy - Input Required",
+  "description": "Payload when update_media_buy task is paused waiting for user input or approval.",
+  "type": "object",
+  "properties": {
+    "reason": {
+      "type": "string",
+      "enum": [
+        "APPROVAL_REQUIRED",
+        "CHANGE_CONFIRMATION"
+      ],
+      "description": "Reason code indicating why input is needed"
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/media-buy/update-media-buy-async-response-submitted.json b/dist/schemas/2.5.2/media-buy/update-media-buy-async-response-submitted.json
new file mode 100644
index 0000000000..02b5a4983b
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/update-media-buy-async-response-submitted.json
@@ -0,0 +1,16 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/update-media-buy-async-response-submitted.json",
+  "title": "Update Media Buy - Submitted",
+  "description": "Payload acknowledging update_media_buy task is queued for processing.",
+  "type": "object",
+  "properties": {
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/media-buy/update-media-buy-async-response-working.json b/dist/schemas/2.5.2/media-buy/update-media-buy-async-response-working.json
new file mode 100644
index 0000000000..df48235154
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/update-media-buy-async-response-working.json
@@ -0,0 +1,36 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/update-media-buy-async-response-working.json",
+  "title": "Update Media Buy - Working",
+  "description": "Progress payload for active update_media_buy task.",
+  "type": "object",
+  "properties": {
+    "percentage": {
+      "type": "number",
+      "minimum": 0,
+      "maximum": 100,
+      "description": "Completion percentage (0-100)"
+    },
+    "current_step": {
+      "type": "string",
+      "description": "Current step or phase of the operation"
+    },
+    "total_steps": {
+      "type": "integer",
+      "minimum": 1,
+      "description": "Total number of steps in the operation"
+    },
+    "step_number": {
+      "type": "integer",
+      "minimum": 1,
+      "description": "Current step number"
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/media-buy/update-media-buy-request.json b/dist/schemas/2.5.2/media-buy/update-media-buy-request.json
new file mode 100644
index 0000000000..29d65e2614
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/update-media-buy-request.json
@@ -0,0 +1,124 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/update-media-buy-request.json",
+  "title": "Update Media Buy Request",
+  "description": "Request parameters for updating campaign and package settings",
+  "type": "object",
+  "properties": {
+    "media_buy_id": {
+      "type": "string",
+      "description": "Publisher's ID of the media buy to update"
+    },
+    "buyer_ref": {
+      "type": "string",
+      "description": "Buyer's reference for the media buy to update"
+    },
+    "paused": {
+      "type": "boolean",
+      "description": "Pause/resume the entire media buy (true = paused, false = active)"
+    },
+    "start_time": {
+      "$ref": "/schemas/2.5.2/core/start-timing.json"
+    },
+    "end_time": {
+      "type": "string",
+      "format": "date-time",
+      "description": "New end date/time in ISO 8601 format"
+    },
+    "packages": {
+      "type": "array",
+      "description": "Package-specific updates",
+      "items": {
+        "type": "object",
+        "properties": {
+          "package_id": {
+            "type": "string",
+            "description": "Publisher's ID of package to update"
+          },
+          "buyer_ref": {
+            "type": "string",
+            "description": "Buyer's reference for the package to update"
+          },
+          "budget": {
+            "type": "number",
+            "description": "Updated budget allocation for this package in the currency specified by the pricing option",
+            "minimum": 0
+          },
+          "pacing": {
+            "$ref": "/schemas/2.5.2/enums/pacing.json"
+          },
+          "bid_price": {
+            "type": "number",
+            "description": "Updated bid price for auction-based pricing options (only applies when pricing_option is auction-based)",
+            "minimum": 0
+          },
+          "paused": {
+            "type": "boolean",
+            "description": "Pause/resume specific package (true = paused, false = active)"
+          },
+          "targeting_overlay": {
+            "$ref": "/schemas/2.5.2/core/targeting.json"
+          },
+          "creative_ids": {
+            "type": "array",
+            "description": "Update creative assignments (references existing library creatives)",
+            "items": {
+              "type": "string"
+            }
+          },
+          "creatives": {
+            "type": "array",
+            "description": "Full creative objects to upload and assign to this package (alternative to creative_ids - creatives will be added to library). Supports both static and generative creatives.",
+            "items": {
+              "$ref": "/schemas/2.5.2/core/creative-asset.json"
+            },
+            "maxItems": 100
+          },
+          "creative_assignments": {
+            "type": "array",
+            "description": "Full creative assignment objects with weights and placement targeting (alternative to creative_ids - provides granular control over weights and placement targeting). Uses replacement semantics like creative_ids.",
+            "items": {
+              "$ref": "/schemas/2.5.2/core/creative-assignment.json"
+            }
+          }
+        },
+        "oneOf": [
+          {
+            "required": [
+              "package_id"
+            ]
+          },
+          {
+            "required": [
+              "buyer_ref"
+            ]
+          }
+        ],
+        "additionalProperties": true
+      }
+    },
+    "push_notification_config": {
+      "$ref": "/schemas/2.5.2/core/push-notification-config.json",
+      "description": "Optional webhook configuration for async update notifications. Publisher will send webhook when update completes if operation takes longer than immediate response time."
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "oneOf": [
+    {
+      "required": [
+        "media_buy_id"
+      ]
+    },
+    {
+      "required": [
+        "buyer_ref"
+      ]
+    }
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/media-buy/update-media-buy-response.json b/dist/schemas/2.5.2/media-buy/update-media-buy-response.json
new file mode 100644
index 0000000000..9a34ba21ef
--- /dev/null
+++ b/dist/schemas/2.5.2/media-buy/update-media-buy-response.json
@@ -0,0 +1,99 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/media-buy/update-media-buy-response.json",
+  "title": "Update Media Buy Response",
+  "description": "Response payload for update_media_buy task. Returns either complete success data OR error information, never both. This enforces atomic operation semantics - updates are either fully applied or not applied at all.",
+  "type": "object",
+  "oneOf": [
+    {
+      "title": "UpdateMediaBuySuccess",
+      "description": "Success response - media buy updated successfully",
+      "type": "object",
+      "properties": {
+        "media_buy_id": {
+          "type": "string",
+          "description": "Publisher's identifier for the media buy"
+        },
+        "buyer_ref": {
+          "type": "string",
+          "description": "Buyer's reference identifier for the media buy"
+        },
+        "implementation_date": {
+          "type": [
+            "string",
+            "null"
+          ],
+          "format": "date-time",
+          "description": "ISO 8601 timestamp when changes take effect (null if pending approval)"
+        },
+        "affected_packages": {
+          "type": "array",
+          "description": "Array of packages that were modified with complete state information",
+          "items": {
+            "$ref": "/schemas/2.5.2/core/package.json"
+          }
+        },
+        "context": {
+          "$ref": "/schemas/2.5.2/core/context.json"
+        },
+        "ext": {
+          "$ref": "/schemas/2.5.2/core/ext.json"
+        }
+      },
+      "required": [
+        "media_buy_id",
+        "buyer_ref"
+      ],
+      "additionalProperties": true,
+      "not": {
+        "required": [
+          "errors"
+        ]
+      }
+    },
+    {
+      "title": "UpdateMediaBuyError",
+      "description": "Error response - operation failed, no changes applied",
+      "type": "object",
+      "properties": {
+        "errors": {
+          "type": "array",
+          "description": "Array of errors explaining why the operation failed",
+          "items": {
+            "$ref": "/schemas/2.5.2/core/error.json"
+          },
+          "minItems": 1
+        },
+        "context": {
+          "$ref": "/schemas/2.5.2/core/context.json"
+        },
+        "ext": {
+          "$ref": "/schemas/2.5.2/core/ext.json"
+        }
+      },
+      "required": [
+        "errors"
+      ],
+      "additionalProperties": true,
+      "not": {
+        "anyOf": [
+          {
+            "required": [
+              "media_buy_id"
+            ]
+          },
+          {
+            "required": [
+              "buyer_ref"
+            ]
+          },
+          {
+            "required": [
+              "affected_packages"
+            ]
+          }
+        ]
+      }
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/pricing-options/cpc-option.json b/dist/schemas/2.5.2/pricing-options/cpc-option.json
new file mode 100644
index 0000000000..2c634de19d
--- /dev/null
+++ b/dist/schemas/2.5.2/pricing-options/cpc-option.json
@@ -0,0 +1,52 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/pricing-options/cpc-option.json",
+  "title": "CPC Pricing Option",
+  "description": "Cost Per Click fixed-rate pricing for performance-driven advertising campaigns",
+  "type": "object",
+  "properties": {
+    "pricing_option_id": {
+      "type": "string",
+      "description": "Unique identifier for this pricing option within the product (e.g., 'cpc_usd_fixed')"
+    },
+    "pricing_model": {
+      "type": "string",
+      "const": "cpc",
+      "description": "Cost per click"
+    },
+    "rate": {
+      "type": "number",
+      "description": "Fixed CPC rate (cost per click)",
+      "minimum": 0
+    },
+    "currency": {
+      "type": "string",
+      "description": "ISO 4217 currency code",
+      "pattern": "^[A-Z]{3}$",
+      "examples": [
+        "USD",
+        "EUR",
+        "GBP",
+        "JPY"
+      ]
+    },
+    "is_fixed": {
+      "type": "boolean",
+      "description": "Whether this is a fixed rate (true) or auction-based (false)",
+      "const": true
+    },
+    "min_spend_per_package": {
+      "type": "number",
+      "description": "Minimum spend requirement per package using this pricing option, in the specified currency",
+      "minimum": 0
+    }
+  },
+  "required": [
+    "pricing_option_id",
+    "pricing_model",
+    "rate",
+    "currency",
+    "is_fixed"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/pricing-options/cpcv-option.json b/dist/schemas/2.5.2/pricing-options/cpcv-option.json
new file mode 100644
index 0000000000..cb5f8e3d55
--- /dev/null
+++ b/dist/schemas/2.5.2/pricing-options/cpcv-option.json
@@ -0,0 +1,52 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/pricing-options/cpcv-option.json",
+  "title": "CPCV Pricing Option",
+  "description": "Cost Per Completed View (100% video/audio completion) fixed-rate pricing",
+  "type": "object",
+  "properties": {
+    "pricing_option_id": {
+      "type": "string",
+      "description": "Unique identifier for this pricing option within the product (e.g., 'cpcv_usd_guaranteed')"
+    },
+    "pricing_model": {
+      "type": "string",
+      "const": "cpcv",
+      "description": "Cost per completed view (100% completion)"
+    },
+    "rate": {
+      "type": "number",
+      "description": "Fixed CPCV rate (cost per 100% completion)",
+      "minimum": 0
+    },
+    "currency": {
+      "type": "string",
+      "description": "ISO 4217 currency code",
+      "pattern": "^[A-Z]{3}$",
+      "examples": [
+        "USD",
+        "EUR",
+        "GBP",
+        "JPY"
+      ]
+    },
+    "is_fixed": {
+      "type": "boolean",
+      "description": "Whether this is a fixed rate (true) or auction-based (false)",
+      "const": true
+    },
+    "min_spend_per_package": {
+      "type": "number",
+      "description": "Minimum spend requirement per package using this pricing option, in the specified currency",
+      "minimum": 0
+    }
+  },
+  "required": [
+    "pricing_option_id",
+    "pricing_model",
+    "rate",
+    "currency",
+    "is_fixed"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/pricing-options/cpm-auction-option.json b/dist/schemas/2.5.2/pricing-options/cpm-auction-option.json
new file mode 100644
index 0000000000..f119fb0e05
--- /dev/null
+++ b/dist/schemas/2.5.2/pricing-options/cpm-auction-option.json
@@ -0,0 +1,81 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/pricing-options/cpm-auction-option.json",
+  "title": "CPM Auction Pricing Option",
+  "description": "Cost Per Mille (cost per 1,000 impressions) with auction-based pricing - common for programmatic/non-guaranteed inventory",
+  "type": "object",
+  "properties": {
+    "pricing_option_id": {
+      "type": "string",
+      "description": "Unique identifier for this pricing option within the product (e.g., 'cpm_usd_auction')"
+    },
+    "pricing_model": {
+      "type": "string",
+      "const": "cpm",
+      "description": "Cost per 1,000 impressions"
+    },
+    "currency": {
+      "type": "string",
+      "description": "ISO 4217 currency code",
+      "pattern": "^[A-Z]{3}$",
+      "examples": [
+        "USD",
+        "EUR",
+        "GBP",
+        "JPY"
+      ]
+    },
+    "is_fixed": {
+      "type": "boolean",
+      "description": "Whether this is a fixed rate (true) or auction-based (false)",
+      "const": false
+    },
+    "price_guidance": {
+      "type": "object",
+      "description": "Pricing guidance for auction-based CPM bidding",
+      "properties": {
+        "floor": {
+          "type": "number",
+          "description": "Minimum bid price - publisher will reject bids under this value",
+          "minimum": 0
+        },
+        "p25": {
+          "type": "number",
+          "description": "25th percentile winning price",
+          "minimum": 0
+        },
+        "p50": {
+          "type": "number",
+          "description": "Median winning price",
+          "minimum": 0
+        },
+        "p75": {
+          "type": "number",
+          "description": "75th percentile winning price",
+          "minimum": 0
+        },
+        "p90": {
+          "type": "number",
+          "description": "90th percentile winning price",
+          "minimum": 0
+        }
+      },
+      "required": [
+        "floor"
+      ]
+    },
+    "min_spend_per_package": {
+      "type": "number",
+      "description": "Minimum spend requirement per package using this pricing option, in the specified currency",
+      "minimum": 0
+    }
+  },
+  "required": [
+    "pricing_option_id",
+    "pricing_model",
+    "price_guidance",
+    "currency",
+    "is_fixed"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/pricing-options/cpm-fixed-option.json b/dist/schemas/2.5.2/pricing-options/cpm-fixed-option.json
new file mode 100644
index 0000000000..2686c8f089
--- /dev/null
+++ b/dist/schemas/2.5.2/pricing-options/cpm-fixed-option.json
@@ -0,0 +1,52 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/pricing-options/cpm-fixed-option.json",
+  "title": "CPM Fixed Rate Pricing Option",
+  "description": "Cost Per Mille (cost per 1,000 impressions) with guaranteed fixed rate - common for direct/guaranteed deals",
+  "type": "object",
+  "properties": {
+    "pricing_option_id": {
+      "type": "string",
+      "description": "Unique identifier for this pricing option within the product (e.g., 'cpm_usd_guaranteed')"
+    },
+    "pricing_model": {
+      "type": "string",
+      "const": "cpm",
+      "description": "Cost per 1,000 impressions"
+    },
+    "rate": {
+      "type": "number",
+      "description": "Fixed CPM rate (cost per 1,000 impressions)",
+      "minimum": 0
+    },
+    "currency": {
+      "type": "string",
+      "description": "ISO 4217 currency code",
+      "pattern": "^[A-Z]{3}$",
+      "examples": [
+        "USD",
+        "EUR",
+        "GBP",
+        "JPY"
+      ]
+    },
+    "is_fixed": {
+      "type": "boolean",
+      "description": "Whether this is a fixed rate (true) or auction-based (false)",
+      "const": true
+    },
+    "min_spend_per_package": {
+      "type": "number",
+      "description": "Minimum spend requirement per package using this pricing option, in the specified currency",
+      "minimum": 0
+    }
+  },
+  "required": [
+    "pricing_option_id",
+    "pricing_model",
+    "rate",
+    "currency",
+    "is_fixed"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/pricing-options/cpp-option.json b/dist/schemas/2.5.2/pricing-options/cpp-option.json
new file mode 100644
index 0000000000..2831ec9e5d
--- /dev/null
+++ b/dist/schemas/2.5.2/pricing-options/cpp-option.json
@@ -0,0 +1,73 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/pricing-options/cpp-option.json",
+  "title": "CPP Pricing Option",
+  "description": "Cost Per Point (Gross Rating Point) fixed-rate pricing for TV and audio campaigns requiring demographic measurement",
+  "type": "object",
+  "properties": {
+    "pricing_option_id": {
+      "type": "string",
+      "description": "Unique identifier for this pricing option within the product (e.g., 'cpp_usd_p18-49')"
+    },
+    "pricing_model": {
+      "type": "string",
+      "const": "cpp",
+      "description": "Cost per Gross Rating Point"
+    },
+    "rate": {
+      "type": "number",
+      "description": "Fixed CPP rate (cost per rating point)",
+      "minimum": 0
+    },
+    "currency": {
+      "type": "string",
+      "description": "ISO 4217 currency code",
+      "pattern": "^[A-Z]{3}$",
+      "examples": [
+        "USD",
+        "EUR",
+        "GBP",
+        "JPY"
+      ]
+    },
+    "is_fixed": {
+      "type": "boolean",
+      "description": "Whether this is a fixed rate (true) or auction-based (false)",
+      "const": true
+    },
+    "parameters": {
+      "type": "object",
+      "description": "CPP-specific parameters for demographic targeting and GRP requirements",
+      "properties": {
+        "demographic": {
+          "type": "string",
+          "pattern": "^[PMWAC][0-9]{2}(-[0-9]{2}|\\+)$",
+          "description": "Target demographic in Nielsen format: P/M/W/A/C + age range. Examples: P18-49 (Persons 18-49), M25-54 (Men 25-54), W35+ (Women 35+), A18-34 (Adults 18-34), C2-11 (Children 2-11)"
+        },
+        "min_points": {
+          "type": "number",
+          "description": "Minimum GRPs/TRPs required for this pricing option",
+          "minimum": 0
+        }
+      },
+      "required": [
+        "demographic"
+      ],
+      "additionalProperties": true
+    },
+    "min_spend_per_package": {
+      "type": "number",
+      "description": "Minimum spend requirement per package using this pricing option, in the specified currency",
+      "minimum": 0
+    }
+  },
+  "required": [
+    "pricing_option_id",
+    "pricing_model",
+    "rate",
+    "currency",
+    "is_fixed",
+    "parameters"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/pricing-options/cpv-option.json b/dist/schemas/2.5.2/pricing-options/cpv-option.json
new file mode 100644
index 0000000000..fa904627e1
--- /dev/null
+++ b/dist/schemas/2.5.2/pricing-options/cpv-option.json
@@ -0,0 +1,88 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/pricing-options/cpv-option.json",
+  "title": "CPV Pricing Option",
+  "description": "Cost Per View (at publisher-defined threshold) fixed-rate pricing for video/audio",
+  "type": "object",
+  "properties": {
+    "pricing_option_id": {
+      "type": "string",
+      "description": "Unique identifier for this pricing option within the product (e.g., 'cpv_usd_50pct')"
+    },
+    "pricing_model": {
+      "type": "string",
+      "const": "cpv",
+      "description": "Cost per view at threshold"
+    },
+    "rate": {
+      "type": "number",
+      "description": "Fixed CPV rate (cost per view)",
+      "minimum": 0
+    },
+    "currency": {
+      "type": "string",
+      "description": "ISO 4217 currency code",
+      "pattern": "^[A-Z]{3}$",
+      "examples": [
+        "USD",
+        "EUR",
+        "GBP",
+        "JPY"
+      ]
+    },
+    "is_fixed": {
+      "type": "boolean",
+      "description": "Whether this is a fixed rate (true) or auction-based (false)",
+      "const": true
+    },
+    "parameters": {
+      "type": "object",
+      "description": "CPV-specific parameters defining the view threshold",
+      "properties": {
+        "view_threshold": {
+          "oneOf": [
+            {
+              "type": "number",
+              "description": "Percentage completion threshold for CPV pricing (0.0 to 1.0, e.g., 0.5 = 50% completion)",
+              "minimum": 0,
+              "maximum": 1
+            },
+            {
+              "type": "object",
+              "description": "Time-based view threshold for CPV pricing",
+              "properties": {
+                "duration_seconds": {
+                  "type": "integer",
+                  "description": "Seconds of viewing required (e.g., 30 for YouTube-style '30 seconds = view')",
+                  "minimum": 1
+                }
+              },
+              "required": [
+                "duration_seconds"
+              ],
+              "additionalProperties": true
+            }
+          ]
+        }
+      },
+      "required": [
+        "view_threshold"
+      ],
+      "additionalProperties": true
+    },
+    "min_spend_per_package": {
+      "type": "number",
+      "description": "Minimum spend requirement per package using this pricing option, in the specified currency",
+      "minimum": 0
+    }
+  },
+  "required": [
+    "pricing_option_id",
+    "pricing_model",
+    "rate",
+    "currency",
+    "is_fixed",
+    "parameters"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/pricing-options/flat-rate-option.json b/dist/schemas/2.5.2/pricing-options/flat-rate-option.json
new file mode 100644
index 0000000000..f642c9f118
--- /dev/null
+++ b/dist/schemas/2.5.2/pricing-options/flat-rate-option.json
@@ -0,0 +1,93 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/pricing-options/flat-rate-option.json",
+  "title": "Flat Rate Pricing Option",
+  "description": "Flat rate pricing for DOOH, sponsorships, and time-based campaigns - fixed cost regardless of delivery volume",
+  "type": "object",
+  "properties": {
+    "pricing_option_id": {
+      "type": "string",
+      "description": "Unique identifier for this pricing option within the product (e.g., 'flat_rate_usd_24h_takeover')"
+    },
+    "pricing_model": {
+      "type": "string",
+      "const": "flat_rate",
+      "description": "Fixed cost regardless of delivery volume"
+    },
+    "rate": {
+      "type": "number",
+      "description": "Flat rate cost",
+      "minimum": 0
+    },
+    "currency": {
+      "type": "string",
+      "description": "ISO 4217 currency code",
+      "pattern": "^[A-Z]{3}$",
+      "examples": [
+        "USD",
+        "EUR",
+        "GBP",
+        "JPY"
+      ]
+    },
+    "is_fixed": {
+      "type": "boolean",
+      "description": "Whether this is a fixed rate (true) or auction-based (false)",
+      "const": true
+    },
+    "parameters": {
+      "type": "object",
+      "description": "Flat rate parameters for DOOH and time-based campaigns",
+      "properties": {
+        "duration_hours": {
+          "type": "number",
+          "description": "Duration in hours for time-based flat rate pricing (DOOH)",
+          "minimum": 0
+        },
+        "sov_percentage": {
+          "type": "number",
+          "description": "Guaranteed share of voice as percentage (DOOH, 0-100)",
+          "minimum": 0,
+          "maximum": 100
+        },
+        "loop_duration_seconds": {
+          "type": "integer",
+          "description": "Duration of ad loop rotation in seconds (DOOH)",
+          "minimum": 1
+        },
+        "min_plays_per_hour": {
+          "type": "integer",
+          "description": "Minimum number of times ad plays per hour (DOOH frequency guarantee)",
+          "minimum": 0
+        },
+        "venue_package": {
+          "type": "string",
+          "description": "Named venue package identifier for DOOH (e.g., 'times_square_network', 'airport_terminals')"
+        },
+        "estimated_impressions": {
+          "type": "integer",
+          "description": "Estimated impressions for this flat rate option (informational, commonly used with SOV or time-based DOOH)",
+          "minimum": 0
+        },
+        "daypart": {
+          "type": "string",
+          "description": "Specific daypart for time-based pricing (e.g., 'morning_commute', 'evening_prime', 'overnight')"
+        }
+      },
+      "additionalProperties": true
+    },
+    "min_spend_per_package": {
+      "type": "number",
+      "description": "Minimum spend requirement per package using this pricing option, in the specified currency",
+      "minimum": 0
+    }
+  },
+  "required": [
+    "pricing_option_id",
+    "pricing_model",
+    "currency",
+    "is_fixed",
+    "rate"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/pricing-options/vcpm-auction-option.json b/dist/schemas/2.5.2/pricing-options/vcpm-auction-option.json
new file mode 100644
index 0000000000..517ce19fdc
--- /dev/null
+++ b/dist/schemas/2.5.2/pricing-options/vcpm-auction-option.json
@@ -0,0 +1,81 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/pricing-options/vcpm-auction-option.json",
+  "title": "vCPM Auction Pricing Option",
+  "description": "Viewable Cost Per Mille (cost per 1,000 viewable impressions) with auction-based pricing - impressions meeting MRC viewability standard (50% pixels in-view for 1 second for display, 2 seconds for video)",
+  "type": "object",
+  "properties": {
+    "pricing_option_id": {
+      "type": "string",
+      "description": "Unique identifier for this pricing option within the product (e.g., 'vcpm_usd_auction')"
+    },
+    "pricing_model": {
+      "type": "string",
+      "const": "vcpm",
+      "description": "Cost per 1,000 viewable impressions (MRC standard)"
+    },
+    "currency": {
+      "type": "string",
+      "description": "ISO 4217 currency code",
+      "pattern": "^[A-Z]{3}$",
+      "examples": [
+        "USD",
+        "EUR",
+        "GBP",
+        "JPY"
+      ]
+    },
+    "is_fixed": {
+      "type": "boolean",
+      "description": "Whether this is a fixed rate (true) or auction-based (false)",
+      "const": false
+    },
+    "price_guidance": {
+      "type": "object",
+      "description": "Statistical guidance for auction pricing",
+      "properties": {
+        "floor": {
+          "type": "number",
+          "description": "Minimum acceptable bid price",
+          "minimum": 0
+        },
+        "p25": {
+          "type": "number",
+          "description": "25th percentile of recent winning bids",
+          "minimum": 0
+        },
+        "p50": {
+          "type": "number",
+          "description": "Median of recent winning bids",
+          "minimum": 0
+        },
+        "p75": {
+          "type": "number",
+          "description": "75th percentile of recent winning bids",
+          "minimum": 0
+        },
+        "p90": {
+          "type": "number",
+          "description": "90th percentile of recent winning bids",
+          "minimum": 0
+        }
+      },
+      "required": [
+        "floor"
+      ]
+    },
+    "min_spend_per_package": {
+      "type": "number",
+      "description": "Minimum spend requirement per package using this pricing option, in the specified currency",
+      "minimum": 0
+    }
+  },
+  "required": [
+    "pricing_option_id",
+    "pricing_model",
+    "currency",
+    "price_guidance",
+    "is_fixed"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/pricing-options/vcpm-fixed-option.json b/dist/schemas/2.5.2/pricing-options/vcpm-fixed-option.json
new file mode 100644
index 0000000000..997bc563d3
--- /dev/null
+++ b/dist/schemas/2.5.2/pricing-options/vcpm-fixed-option.json
@@ -0,0 +1,52 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/pricing-options/vcpm-fixed-option.json",
+  "title": "vCPM Fixed Rate Pricing Option",
+  "description": "Viewable Cost Per Mille (cost per 1,000 viewable impressions) with guaranteed fixed rate - impressions meeting MRC viewability standard (50% pixels in-view for 1 second for display, 2 seconds for video)",
+  "type": "object",
+  "properties": {
+    "pricing_option_id": {
+      "type": "string",
+      "description": "Unique identifier for this pricing option within the product (e.g., 'vcpm_usd_guaranteed')"
+    },
+    "pricing_model": {
+      "type": "string",
+      "const": "vcpm",
+      "description": "Cost per 1,000 viewable impressions (MRC standard)"
+    },
+    "rate": {
+      "type": "number",
+      "description": "Fixed vCPM rate (cost per 1,000 viewable impressions)",
+      "minimum": 0
+    },
+    "currency": {
+      "type": "string",
+      "description": "ISO 4217 currency code",
+      "pattern": "^[A-Z]{3}$",
+      "examples": [
+        "USD",
+        "EUR",
+        "GBP",
+        "JPY"
+      ]
+    },
+    "is_fixed": {
+      "type": "boolean",
+      "description": "Whether this is a fixed rate (true) or auction-based (false)",
+      "const": true
+    },
+    "min_spend_per_package": {
+      "type": "number",
+      "description": "Minimum spend requirement per package using this pricing option, in the specified currency",
+      "minimum": 0
+    }
+  },
+  "required": [
+    "pricing_option_id",
+    "pricing_model",
+    "rate",
+    "currency",
+    "is_fixed"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/protocols/adcp-extension.json b/dist/schemas/2.5.2/protocols/adcp-extension.json
new file mode 100644
index 0000000000..fb9187b180
--- /dev/null
+++ b/dist/schemas/2.5.2/protocols/adcp-extension.json
@@ -0,0 +1,33 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/protocols/adcp-extension.json",
+  "title": "AdCP Agent Card Extension",
+  "description": "Extension metadata for agent cards (MCP and A2A) declaring AdCP version and supported protocol domains",
+  "type": "object",
+  "properties": {
+    "adcp_version": {
+      "type": "string",
+      "pattern": "^\\d+\\.\\d+\\.\\d+$",
+      "description": "Semantic version of the AdCP specification this agent implements (e.g., '2.4.0')"
+    },
+    "protocols_supported": {
+      "type": "array",
+      "items": {
+        "type": "string",
+        "enum": [
+          "media_buy",
+          "creative",
+          "signals"
+        ]
+      },
+      "minItems": 1,
+      "uniqueItems": true,
+      "description": "AdCP protocol domains supported by this agent. At least one must be specified."
+    }
+  },
+  "required": [
+    "adcp_version",
+    "protocols_supported"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/signals/activate-signal-request.json b/dist/schemas/2.5.2/signals/activate-signal-request.json
new file mode 100644
index 0000000000..e41e1620e0
--- /dev/null
+++ b/dist/schemas/2.5.2/signals/activate-signal-request.json
@@ -0,0 +1,32 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/signals/activate-signal-request.json",
+  "title": "Activate Signal Request",
+  "description": "Request parameters for activating a signal on a specific deployment target",
+  "type": "object",
+  "properties": {
+    "signal_agent_segment_id": {
+      "type": "string",
+      "description": "The universal identifier for the signal to activate"
+    },
+    "deployments": {
+      "type": "array",
+      "description": "Target deployment(s) for activation. If the authenticated caller matches one of these deployment targets, activation keys will be included in the response.",
+      "items": {
+        "$ref": "/schemas/2.5.2/core/destination.json"
+      },
+      "minItems": 1
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "required": [
+    "signal_agent_segment_id",
+    "deployments"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/signals/activate-signal-response.json b/dist/schemas/2.5.2/signals/activate-signal-response.json
new file mode 100644
index 0000000000..5b6d67ba8a
--- /dev/null
+++ b/dist/schemas/2.5.2/signals/activate-signal-response.json
@@ -0,0 +1,68 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/signals/activate-signal-response.json",
+  "title": "Activate Signal Response",
+  "description": "Response payload for activate_signal task. Returns either complete success data OR error information, never both. This enforces atomic operation semantics - the signal is either fully activated or not activated at all.",
+  "type": "object",
+  "oneOf": [
+    {
+      "title": "ActivateSignalSuccess",
+      "description": "Success response - signal activated successfully to one or more deployment targets",
+      "type": "object",
+      "properties": {
+        "deployments": {
+          "type": "array",
+          "description": "Array of deployment results for each deployment target",
+          "items": {
+            "$ref": "/schemas/2.5.2/core/deployment.json"
+          }
+        },
+        "context": {
+          "$ref": "/schemas/2.5.2/core/context.json"
+        },
+        "ext": {
+          "$ref": "/schemas/2.5.2/core/ext.json"
+        }
+      },
+      "required": [
+        "deployments"
+      ],
+      "additionalProperties": true,
+      "not": {
+        "required": [
+          "errors"
+        ]
+      }
+    },
+    {
+      "title": "ActivateSignalError",
+      "description": "Error response - operation failed, signal not activated",
+      "type": "object",
+      "properties": {
+        "errors": {
+          "type": "array",
+          "description": "Array of errors explaining why activation failed (e.g., platform connectivity issues, signal definition problems, authentication failures)",
+          "items": {
+            "$ref": "/schemas/2.5.2/core/error.json"
+          },
+          "minItems": 1
+        },
+        "context": {
+          "$ref": "/schemas/2.5.2/core/context.json"
+        },
+        "ext": {
+          "$ref": "/schemas/2.5.2/core/ext.json"
+        }
+      },
+      "required": [
+        "errors"
+      ],
+      "additionalProperties": true,
+      "not": {
+        "required": [
+          "deployments"
+        ]
+      }
+    }
+  ]
+}
diff --git a/dist/schemas/2.5.2/signals/get-signals-request.json b/dist/schemas/2.5.2/signals/get-signals-request.json
new file mode 100644
index 0000000000..638701d06d
--- /dev/null
+++ b/dist/schemas/2.5.2/signals/get-signals-request.json
@@ -0,0 +1,59 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/signals/get-signals-request.json",
+  "title": "Get Signals Request",
+  "description": "Request parameters for discovering signals based on description",
+  "type": "object",
+  "properties": {
+    "signal_spec": {
+      "type": "string",
+      "description": "Natural language description of the desired signals"
+    },
+    "deliver_to": {
+      "type": "object",
+      "description": "Deployment targets where signals need to be activated",
+      "properties": {
+        "deployments": {
+          "type": "array",
+          "description": "List of deployment targets (DSPs, sales agents, etc.). If the authenticated caller matches one of these deployment targets, activation keys will be included in the response.",
+          "items": {
+            "$ref": "/schemas/2.5.2/core/destination.json"
+          },
+          "minItems": 1
+        },
+        "countries": {
+          "type": "array",
+          "description": "Countries where signals will be used (ISO codes)",
+          "items": {
+            "type": "string",
+            "pattern": "^[A-Z]{2}$"
+          }
+        }
+      },
+      "required": [
+        "deployments",
+        "countries"
+      ],
+      "additionalProperties": true
+    },
+    "filters": {
+      "$ref": "/schemas/2.5.2/core/signal-filters.json"
+    },
+    "max_results": {
+      "type": "integer",
+      "description": "Maximum number of results to return",
+      "minimum": 1
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "required": [
+    "signal_spec",
+    "deliver_to"
+  ],
+  "additionalProperties": true
+}
diff --git a/dist/schemas/2.5.2/signals/get-signals-response.json b/dist/schemas/2.5.2/signals/get-signals-response.json
new file mode 100644
index 0000000000..aa5909c922
--- /dev/null
+++ b/dist/schemas/2.5.2/signals/get-signals-response.json
@@ -0,0 +1,100 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "/schemas/2.5.2/signals/get-signals-response.json",
+  "title": "Get Signals Response",
+  "description": "Response payload for get_signals task",
+  "type": "object",
+  "properties": {
+    "signals": {
+      "type": "array",
+      "description": "Array of matching signals",
+      "items": {
+        "type": "object",
+        "properties": {
+          "signal_agent_segment_id": {
+            "type": "string",
+            "description": "Unique identifier for the signal"
+          },
+          "name": {
+            "type": "string",
+            "description": "Human-readable signal name"
+          },
+          "description": {
+            "type": "string",
+            "description": "Detailed signal description"
+          },
+          "signal_type": {
+            "$ref": "/schemas/2.5.2/enums/signal-catalog-type.json",
+            "description": "Type of signal"
+          },
+          "data_provider": {
+            "type": "string",
+            "description": "Name of the data provider"
+          },
+          "coverage_percentage": {
+            "type": "number",
+            "description": "Percentage of audience coverage",
+            "minimum": 0,
+            "maximum": 100
+          },
+          "deployments": {
+            "type": "array",
+            "description": "Array of deployment targets",
+            "items": {
+              "$ref": "/schemas/2.5.2/core/deployment.json"
+            }
+          },
+          "pricing": {
+            "type": "object",
+            "description": "Pricing information",
+            "properties": {
+              "cpm": {
+                "type": "number",
+                "description": "Cost per thousand impressions",
+                "minimum": 0
+              },
+              "currency": {
+                "type": "string",
+                "description": "Currency code",
+                "pattern": "^[A-Z]{3}$"
+              }
+            },
+            "required": [
+              "cpm",
+              "currency"
+            ],
+            "additionalProperties": true
+          }
+        },
+        "required": [
+          "signal_agent_segment_id",
+          "name",
+          "description",
+          "signal_type",
+          "data_provider",
+          "coverage_percentage",
+          "deployments",
+          "pricing"
+        ],
+        "additionalProperties": true
+      }
+    },
+    "errors": {
+      "type": "array",
+      "description": "Task-specific errors and warnings (e.g., signal discovery or pricing issues)",
+      "items": {
+        "$ref": "/schemas/2.5.2/core/error.json"
+      }
+    },
+    "context": {
+      "$ref": "/schemas/2.5.2/core/context.json"
+    },
+    "ext": {
+      "$ref": "/schemas/2.5.2/core/ext.json"
+    }
+  },
+  "required": [
+    "signals"
+  ],
+  "additionalProperties": true
+}