diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 36d3f071aa4..a64c23b2bec 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -138,7 +138,7 @@ jobs:
             echo "release_channel=stable" >> "$GITHUB_OUTPUT"
             echo "version=$version" >> "$GITHUB_OUTPUT"
             echo "tag=v$version" >> "$GITHUB_OUTPUT"
-            echo "name=TritonAI Code v$version" >> "$GITHUB_OUTPUT"
+            echo "name=TritonAI Harness v$version" >> "$GITHUB_OUTPUT"
             echo "cli_dist_tag=latest" >> "$GITHUB_OUTPUT"
             if [[ "$version" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
               echo "is_prerelease=false" >> "$GITHUB_OUTPUT"
diff --git a/README.md b/README.md
index 6aebfc7e8b8..88e60c01275 100644
--- a/README.md
+++ b/README.md
@@ -1,11 +1,11 @@
-# T3 Code
+# TritonAI Harness
 
-T3 Code is a minimal web GUI for coding agents (currently Codex, Claude, Cursor, and OpenCode, more coming soon).
+TritonAI Harness is a minimal web GUI for coding agents (currently Codex, Claude, Cursor, and OpenCode, more coming soon).
 
 ## Installation
 
 > [!WARNING]
-> T3 Code currently supports Codex, Claude, Cursor, and OpenCode.
+> TritonAI Harness currently supports Codex, Claude, Cursor, and OpenCode.
 > Install and authenticate at least one provider before use:
 >
 > - Codex: install [Codex CLI](https://developers.openai.com/codex/cli) and run `codex login`
@@ -63,7 +63,7 @@ There's no public docs site yet, checkout the miscellaneous markdown files in [d
 
 ### Install `vp`
 
-T3 Code uses Vite+ so you'll need to install the global `vp` command-line tool.
+TritonAI Harness uses Vite+ so you'll need to install the global `vp` command-line tool.
 
 #### macOS / Linux
 
diff --git a/apps/desktop/package.json b/apps/desktop/package.json
index 52c5114f1e3..0153ae2449b 100644
--- a/apps/desktop/package.json
+++ b/apps/desktop/package.json
@@ -32,5 +32,5 @@
     "tailwindcss": "^4.0.0",
     "vite-plus": "catalog:"
   },
-  "productName": "TritonAI Code"
+  "productName": "TritonAI Harness"
 }
diff --git a/apps/desktop/scripts/electron-launcher.mjs b/apps/desktop/scripts/electron-launcher.mjs
index 9fe3fa23135..1bda7c846fe 100644
--- a/apps/desktop/scripts/electron-launcher.mjs
+++ b/apps/desktop/scripts/electron-launcher.mjs
@@ -1,4 +1,4 @@
-// This file mostly exists because we want dev mode to say "TritonAI Code (Dev)" instead of "electron"
+// This file mostly exists because we want dev mode to say "TritonAI Harness (Dev)" instead of "electron"
 
 import { spawnSync } from "node:child_process";
 import {
@@ -26,7 +26,7 @@ const repoRoot = resolve(desktopDir, "..", "..");
 const devBundleIdSuffix = basename(repoRoot)
   .toLowerCase()
   .replaceAll(/[^a-z0-9]+/g, "");
-export const APP_DISPLAY_NAME = isDevelopment ? "TritonAI Code (Dev)" : "TritonAI Code";
+export const APP_DISPLAY_NAME = isDevelopment ? "TritonAI Harness (Dev)" : "TritonAI Harness";
 export const APP_BUNDLE_ID = isDevelopment
   ? `edu.ucsd.ai.tritonai-code.dev.${devBundleIdSuffix || "local"}`
   : "edu.ucsd.ai.tritonai-code";
diff --git a/apps/desktop/src/app/DesktopApp.ts b/apps/desktop/src/app/DesktopApp.ts
index 69167e75bb5..41cca978623 100644
--- a/apps/desktop/src/app/DesktopApp.ts
+++ b/apps/desktop/src/app/DesktopApp.ts
@@ -120,7 +120,7 @@ const handleFatalStartupError = Effect.fn("desktop.startup.handleFatalStartupErr
   const wasQuitting = yield* Ref.getAndSet(state.quitting, true);
   if (!wasQuitting) {
     yield* electronDialog.showErrorBox(
-      "TritonAI Code failed to start",
+      "TritonAI Harness failed to start",
       `Stage: ${stage}\n${message}${detail}`,
     );
   }
diff --git a/apps/desktop/src/app/DesktopAppIdentity.test.ts b/apps/desktop/src/app/DesktopAppIdentity.test.ts
index 661ccb4000e..d142a5d88ad 100644
--- a/apps/desktop/src/app/DesktopAppIdentity.test.ts
+++ b/apps/desktop/src/app/DesktopAppIdentity.test.ts
@@ -19,9 +19,9 @@ const defaultEnvironmentInput = {
   platform: "darwin",
   processArch: "arm64",
   appVersion: "1.2.3",
-  appPath: "/Applications/TritonAI Code.app/Contents/Resources/app.asar",
+  appPath: "/Applications/TritonAI Harness.app/Contents/Resources/app.asar",
   isPackaged: true,
-  resourcesPath: "/Applications/TritonAI Code.app/Contents/Resources",
+  resourcesPath: "/Applications/TritonAI Harness.app/Contents/Resources",
   runningUnderArm64Translation: false,
 } satisfies DesktopEnvironment.MakeDesktopEnvironmentInput;
 
@@ -38,7 +38,7 @@ interface ElectronAppCalls {
 const makeElectronAppLayer = (calls: ElectronAppCalls) =>
   Layer.succeed(ElectronApp.ElectronApp, {
     metadata: Effect.die("unexpected metadata read"),
-    name: Effect.succeed("TritonAI Code"),
+    name: Effect.succeed("TritonAI Harness"),
     whenReady: Effect.void,
     quit: Effect.void,
     exit: () => Effect.void,
@@ -105,6 +105,7 @@ const withIdentity = <A, E, R>(
     readonly calls?: ElectronAppCalls;
     readonly environment?: TestEnvironmentInput;
     readonly legacyPathExists?: boolean;
+    readonly legacyPathNeedle?: string;
     readonly packageJson?: string;
     readonly pngIconPath?: Option.Option<string>;
   } = {},
@@ -121,7 +122,10 @@ const withIdentity = <A, E, R>(
         Layer.provideMerge(
           FileSystem.layerNoop({
             exists: (path) =>
-              Effect.succeed(input.legacyPathExists === true && path.includes("T3 Code")),
+              Effect.succeed(
+                input.legacyPathExists === true &&
+                  path.includes(input.legacyPathNeedle ?? "T3 Code"),
+              ),
             readFileString: () =>
               Effect.succeed(input.packageJson ?? '{"t3codeCommitHash":"abcdef1234567890"}'),
           }),
@@ -136,6 +140,17 @@ const withIdentity = <A, E, R>(
 
 describe("DesktopAppIdentity", () => {
   it.effect("uses the downstream userData path for packaged builds", () =>
+    withIdentity(
+      Effect.gen(function* () {
+        const identity = yield* DesktopAppIdentity.DesktopAppIdentity;
+        const userDataPath = yield* identity.resolveUserDataPath;
+
+        assert.equal(userDataPath, "/Users/alice/Library/Application Support/TritonAI Harness");
+      }),
+    ),
+  );
+
+  it.effect("keeps using the legacy TritonAI Code userData path when it already exists", () =>
     withIdentity(
       Effect.gen(function* () {
         const identity = yield* DesktopAppIdentity.DesktopAppIdentity;
@@ -143,7 +158,7 @@ describe("DesktopAppIdentity", () => {
 
         assert.equal(userDataPath, "/Users/alice/Library/Application Support/TritonAI Code");
       }),
-      { legacyPathExists: true },
+      { legacyPathExists: true, legacyPathNeedle: "TritonAI Code" },
     ),
   );
 
@@ -179,8 +194,8 @@ describe("DesktopAppIdentity", () => {
         const identity = yield* DesktopAppIdentity.DesktopAppIdentity;
         yield* identity.configure;
 
-        assert.deepEqual(calls.setName, ["TritonAI Code"]);
-        assert.equal(calls.setAboutPanelOptions[0]?.applicationName, "TritonAI Code");
+        assert.deepEqual(calls.setName, ["TritonAI Harness"]);
+        assert.equal(calls.setAboutPanelOptions[0]?.applicationName, "TritonAI Harness");
         assert.equal(calls.setAboutPanelOptions[0]?.applicationVersion, "1.2.3");
         assert.equal(calls.setAboutPanelOptions[0]?.version, "0123456789ab");
         assert.deepEqual(calls.setDockIcon, ["/icon.png"]);
diff --git a/apps/desktop/src/app/DesktopEnvironment.test.ts b/apps/desktop/src/app/DesktopEnvironment.test.ts
index 7fa1432da75..d6f90ac729b 100644
--- a/apps/desktop/src/app/DesktopEnvironment.test.ts
+++ b/apps/desktop/src/app/DesktopEnvironment.test.ts
@@ -13,9 +13,9 @@ const defaultInput = {
   platform: "darwin",
   processArch: "arm64",
   appVersion: "0.0.22",
-  appPath: "/Applications/TritonAI Code.app/Contents/Resources/app.asar",
+  appPath: "/Applications/TritonAI Harness.app/Contents/Resources/app.asar",
   isPackaged: false,
-  resourcesPath: "/Applications/TritonAI Code.app/Contents/Resources",
+  resourcesPath: "/Applications/TritonAI Harness.app/Contents/Resources",
   runningUnderArm64Translation: false,
 } satisfies DesktopEnvironment.MakeDesktopEnvironmentInput;
 
diff --git a/apps/desktop/src/app/DesktopEnvironment.ts b/apps/desktop/src/app/DesktopEnvironment.ts
index 969707c8e15..30319cadfae 100644
--- a/apps/desktop/src/app/DesktopEnvironment.ts
+++ b/apps/desktop/src/app/DesktopEnvironment.ts
@@ -81,7 +81,7 @@ export class DesktopEnvironment extends Context.Service<
   DesktopEnvironmentShape
 >()("@t3tools/desktop/app/DesktopEnvironment") {}
 
-const APP_BASE_NAME = "TritonAI Code";
+const APP_BASE_NAME = "TritonAI Harness";
 
 function resolveDesktopAppStageLabel(input: {
   readonly isDevelopment: boolean;
@@ -162,8 +162,8 @@ const makeDesktopEnvironment = Effect.fn("desktop.environment.make")(function* (
   });
   const displayName = branding.displayName;
   const stateDir = path.join(baseDir, isDevelopment ? "dev" : "userdata");
-  const userDataDirName = isDevelopment ? "tritonai-code-dev" : "TritonAI Code";
-  const legacyUserDataDirName = isDevelopment ? "T3 Code (Dev)" : null;
+  const userDataDirName = isDevelopment ? "tritonai-code-dev" : "TritonAI Harness";
+  const legacyUserDataDirName = isDevelopment ? "T3 Code (Dev)" : "TritonAI Code";
   const resourcesPath = input.resourcesPath;
 
   return DesktopEnvironment.of({
diff --git a/apps/desktop/src/electron/ElectronApp.test.ts b/apps/desktop/src/electron/ElectronApp.test.ts
index 446b966333d..b026c650f4b 100644
--- a/apps/desktop/src/electron/ElectronApp.test.ts
+++ b/apps/desktop/src/electron/ElectronApp.test.ts
@@ -54,7 +54,7 @@ vi.mock("electron", () => ({
     getVersion: getVersionMock,
     isDefaultProtocolClient: isDefaultProtocolClientMock,
     isPackaged: true,
-    name: "TritonAI Code",
+    name: "TritonAI Harness",
     on: onMock,
     quit: quitMock,
     relaunch: relaunchMock,
diff --git a/apps/desktop/src/ssh/DesktopSshPasswordPrompts.ts b/apps/desktop/src/ssh/DesktopSshPasswordPrompts.ts
index e55896b0a86..c5cbe7fd394 100644
--- a/apps/desktop/src/ssh/DesktopSshPasswordPrompts.ts
+++ b/apps/desktop/src/ssh/DesktopSshPasswordPrompts.ts
@@ -16,7 +16,8 @@ import * as IpcChannels from "../ipc/channels.ts";
 import * as ElectronWindow from "../electron/ElectronWindow.ts";
 
 const DEFAULT_SSH_PASSWORD_PROMPT_TIMEOUT_MS = 3 * 60 * 1000;
-const WINDOW_UNAVAILABLE_MESSAGE = "TritonAI Code window is not available for SSH authentication.";
+const WINDOW_UNAVAILABLE_MESSAGE =
+  "TritonAI Harness window is not available for SSH authentication.";
 
 type DesktopSshPasswordPromptResolutionInput =
   typeof DesktopSshPasswordPromptResolutionInputSchema.Type;
diff --git a/apps/desktop/src/window/DesktopApplicationMenu.test.ts b/apps/desktop/src/window/DesktopApplicationMenu.test.ts
index 68b3269e8b7..ece325f33db 100644
--- a/apps/desktop/src/window/DesktopApplicationMenu.test.ts
+++ b/apps/desktop/src/window/DesktopApplicationMenu.test.ts
@@ -30,7 +30,7 @@ const environmentInput = {
 
 const electronAppLayer = Layer.succeed(ElectronApp.ElectronApp, {
   metadata: Effect.die("unexpected metadata read"),
-  name: Effect.succeed("TritonAI Code"),
+  name: Effect.succeed("TritonAI Harness"),
   whenReady: Effect.void,
   quit: Effect.void,
   exit: () => Effect.void,
diff --git a/apps/desktop/src/window/DesktopApplicationMenu.ts b/apps/desktop/src/window/DesktopApplicationMenu.ts
index 2a070146b71..733888de804 100644
--- a/apps/desktop/src/window/DesktopApplicationMenu.ts
+++ b/apps/desktop/src/window/DesktopApplicationMenu.ts
@@ -53,7 +53,7 @@ const checkForUpdatesFromMenu: Effect.Effect<
     yield* electronDialog.showMessageBox({
       type: "info",
       title: "You're up to date!",
-      message: `TritonAI Code ${updateState.currentVersion} is currently the newest version available.`,
+      message: `TritonAI Harness ${updateState.currentVersion} is currently the newest version available.`,
       buttons: ["OK"],
     });
   } else if (updateState.status === "error") {
diff --git a/apps/marketing/src/layouts/Layout.astro b/apps/marketing/src/layouts/Layout.astro
index 2f13a07d2f1..de3d8e10a9c 100644
--- a/apps/marketing/src/layouts/Layout.astro
+++ b/apps/marketing/src/layouts/Layout.astro
@@ -7,8 +7,8 @@ interface Props {
 }
 
 const {
-  title = "TritonAI Code",
-  description = "TritonAI Code — The open-source control plane for coding agents.",
+  title = "TritonAI Harness",
+  description = "TritonAI Harness — The open-source control plane for coding agents.",
 } = Astro.props;
 ---
 
@@ -33,8 +33,8 @@ const {
     <div class="page">
       <nav class="nav">
         <div class="nav-inner">
-          <a href="/" class="nav-brand" aria-label="TritonAI Code home">
-            <span class="nav-brand-name">TritonAI Code</span>
+          <a href="/" class="nav-brand" aria-label="TritonAI Harness home">
+            <span class="nav-brand-name">TritonAI Harness</span>
           </a>
           <div class="nav-right">
             <a
@@ -42,7 +42,7 @@ const {
               href={GITHUB_REPOSITORY_URL}
               target="_blank"
               rel="noopener noreferrer"
-              aria-label={`Star TritonAI Code on GitHub — ${MARKETING_STATS.githubStars} stars`}
+              aria-label={`Star TritonAI Harness on GitHub — ${MARKETING_STATS.githubStars} stars`}
             >
               <svg width="14" height="14" viewBox="0 0 24 24" fill="currentColor" aria-hidden="true">
                 <path d="M12 2.3l2.9 5.88 6.49.94-4.7 4.58 1.11 6.47L12 17.12l-5.8 3.05 1.11-6.47-4.7-4.58 6.49-.94L12 2.3z"/>
diff --git a/apps/marketing/src/pages/download.astro b/apps/marketing/src/pages/download.astro
index 8d48b48a273..7f0e9f74689 100644
--- a/apps/marketing/src/pages/download.astro
+++ b/apps/marketing/src/pages/download.astro
@@ -3,9 +3,9 @@ import Layout from "../layouts/Layout.astro";
 import { RELEASES_URL } from "../lib/releases";
 ---
 
-<Layout title="Download — TritonAI Code" description="Download TritonAI Code for macOS, Windows, or Linux.">
+<Layout title="Download — TritonAI Harness" description="Download TritonAI Harness for macOS, Windows, or Linux.">
   <div class="download-page">
-  <h1 class="heading">Download TritonAI Code</h1>
+  <h1 class="heading">Download TritonAI Harness</h1>
   <p class="subheading">
     <span id="version-label">Loading latest release&hellip;</span>
     <a id="changelog-link" class="changelog-link" href="#" target="_blank" rel="noopener noreferrer" style="display:none">View changelog<span aria-hidden="true"> &#8599;</span></a>
diff --git a/apps/marketing/src/pages/index.astro b/apps/marketing/src/pages/index.astro
index 2cacabfbb9a..5c61599a80d 100644
--- a/apps/marketing/src/pages/index.astro
+++ b/apps/marketing/src/pages/index.astro
@@ -67,9 +67,10 @@ const mobileEndorsementRows = [
 
       <div class="hero-preview">
         <figure class="hero-screenshot-frame">
+          <span class="hero-screenshot-title" aria-hidden="true">TritonAI Harness</span>
           <img
             src="/updated-screenshot.webp"
-            alt="TritonAI Code app showing multiple coding agent threads in one workspace"
+            alt="TritonAI Harness app showing multiple coding agent threads in one workspace"
             width="2508"
             height="1682"
             loading="eager"
@@ -172,7 +173,7 @@ const mobileEndorsementRows = [
       <div class="section-head">
         <h2>Bring your own sub</h2>
         <p>
-          TritonAI Code doesn't resell tokens. Plug in Claude Code, Codex, OpenCode,
+          TritonAI Harness doesn't resell tokens. Plug in Claude Code, Codex, OpenCode,
           or Cursor with the credentials you already have — we orchestrate
           them, you keep your plan.
         </p>
@@ -298,7 +299,7 @@ const mobileEndorsementRows = [
             <div><span class="prompt">$</span> cd t3code &amp;&amp; vp install</div>
             <div class="dim">✓ 1 284 packages installed in 4.2s</div>
             <div><span class="prompt">$</span> vp run dev</div>
-            <div class="dim">▲ TritonAI Code dev server → <span class="accent">http://localhost:4001</span></div>
+            <div class="dim">▲ TritonAI Harness dev server → <span class="accent">http://localhost:4001</span></div>
             <div class="cursor"><span class="prompt">$</span><span class="caret"></span></div>
           </div>
         </div>
@@ -351,7 +352,7 @@ const mobileEndorsementRows = [
         Your agents deserve better than a terminal.
       </h2>
       <p class="cta-sub">
-        TritonAI Code is free, open source and fast. Install it, plug in the harness
+        TritonAI Harness is free, open source and fast. Install it, plug in the harness
         you already pay for, and let your agents get to work.
       </p>
       <div class="cta-actions">
@@ -743,6 +744,25 @@ const mobileEndorsementRows = [
     object-position: center top;
   }
 
+  .hero-screenshot-title {
+    position: absolute;
+    z-index: 1;
+    top: 1.25%;
+    left: 6.4%;
+    width: 18.5%;
+    height: 3.6%;
+    display: flex;
+    align-items: center;
+    padding-left: 0.4%;
+    background: linear-gradient(90deg, #202024 0%, #202024 82%, rgba(32, 32, 36, 0) 100%);
+    color: rgba(244, 244, 245, 0.72);
+    font-size: clamp(8px, 0.92vw, 12px);
+    font-weight: 650;
+    line-height: 1;
+    pointer-events: none;
+    white-space: nowrap;
+  }
+
   /* ── Harnesses ─────────────────────────────────────────── */
   .sec-harness { background: #09090b; }
 
diff --git a/apps/mobile/README.md b/apps/mobile/README.md
index ad0242c2714..37b2be856a2 100644
--- a/apps/mobile/README.md
+++ b/apps/mobile/README.md
@@ -1,7 +1,7 @@
-# T3 Code Mobile
+# TritonAI Harness Mobile
 
 > [!WARNING]
-> T3 Code Mobile is currently in development and is not distributed yet. If you want to try it out, you can build it from source.
+> TritonAI Harness Mobile is currently in development and is not distributed yet. If you want to try it out, you can build it from source.
 
 ## Quickstart
 
@@ -10,9 +10,9 @@
 
 This app has three variants:
 
-- `development`: Expo dev client, installable side-by-side as `T3 Code Dev`
-- `preview`: persistent internal preview build, installable side-by-side as `T3 Code Preview`
-- `production`: store/release build as `T3 Code`
+- `development`: Expo dev client, installable side-by-side as `TritonAI Harness Dev`
+- `preview`: persistent internal preview build, installable side-by-side as `TritonAI Harness Preview`
+- `production`: store/release build as `TritonAI Harness`
 
 Run commands from `apps/mobile`.
 
diff --git a/apps/mobile/app.config.ts b/apps/mobile/app.config.ts
index 7cbb8335deb..a11e34a8082 100644
--- a/apps/mobile/app.config.ts
+++ b/apps/mobile/app.config.ts
@@ -20,21 +20,21 @@ const VARIANT_CONFIG: Record<
   }
 > = {
   development: {
-    appName: "T3 Code Dev",
+    appName: "TritonAI Harness Dev",
     scheme: "t3code-dev",
     iosIcon: "./assets/icon-composer-dev.icon",
     iosBundleIdentifier: "com.t3tools.t3code.dev",
     androidPackage: "com.t3tools.t3code.dev",
   },
   preview: {
-    appName: "T3 Code Preview",
+    appName: "TritonAI Harness Preview",
     scheme: "t3code-preview",
     iosIcon: "./assets/icon-composer-prod.icon",
     iosBundleIdentifier: "com.t3tools.t3code.preview",
     androidPackage: "com.t3tools.t3code.preview",
   },
   production: {
-    appName: "T3 Code",
+    appName: "TritonAI Harness",
     scheme: "t3code",
     iosIcon: "./assets/icon-composer-prod.icon",
     iosBundleIdentifier: "com.t3tools.t3code",
@@ -82,7 +82,7 @@ const config: ExpoConfig = {
         NSAllowsArbitraryLoads: true,
       },
       NSLocalNetworkUsageDescription:
-        "Allow T3 Code to connect to T3 Code servers on your local network or tailnet.",
+        "Allow TritonAI Harness to connect to TritonAI Harness servers on your local network or tailnet.",
       ITSAppUsesNonExemptEncryption: false,
     },
   },
@@ -109,7 +109,8 @@ const config: ExpoConfig = {
     [
       "expo-camera",
       {
-        cameraPermission: "Allow T3 Code to access your camera so you can scan pairing QR codes.",
+        cameraPermission:
+          "Allow TritonAI Harness to access your camera so you can scan pairing QR codes.",
         barcodeScannerEnabled: true,
       },
     ],
@@ -144,7 +145,7 @@ const config: ExpoConfig = {
           {
             name: "AgentActivity",
             displayName: "Agent Activity",
-            description: "Shows the current state of active T3 Code agents.",
+            description: "Shows the current state of active TritonAI Harness agents.",
             supportedFamilies: ["systemSmall", "systemMedium", "accessoryRectangular"],
           },
         ],
diff --git a/apps/mobile/modules/t3-composer-editor/ios/T3ComposerEditor.podspec b/apps/mobile/modules/t3-composer-editor/ios/T3ComposerEditor.podspec
index 57c09fa9535..cca2eaf0f39 100644
--- a/apps/mobile/modules/t3-composer-editor/ios/T3ComposerEditor.podspec
+++ b/apps/mobile/modules/t3-composer-editor/ios/T3ComposerEditor.podspec
@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
   s.name           = 'T3ComposerEditor'
   s.version        = '1.0.0'
-  s.summary        = 'Native attributed composer editor for T3 Code mobile.'
+  s.summary        = 'Native attributed composer editor for TritonAI Harness mobile.'
   s.description    = 'UIKit-backed rich text composer with atomic skill and file tokens.'
   s.author         = 'T3 Tools'
   s.homepage       = 'https://t3tools.com'
diff --git a/apps/mobile/modules/t3-markdown-text/T3MarkdownText.podspec b/apps/mobile/modules/t3-markdown-text/T3MarkdownText.podspec
index 0ac471faf24..bc8136d9ea4 100644
--- a/apps/mobile/modules/t3-markdown-text/T3MarkdownText.podspec
+++ b/apps/mobile/modules/t3-markdown-text/T3MarkdownText.podspec
@@ -6,8 +6,8 @@ new_arch_enabled = ENV["RCT_NEW_ARCH_ENABLED"] == "1"
 Pod::Spec.new do |s|
   s.name = "T3MarkdownText"
   s.version = package["version"]
-  s.summary = "Native selectable markdown renderer for T3 Code mobile."
-  s.description = "Fabric-backed attributed text and markdown rendering primitives owned by T3 Code."
+  s.summary = "Native selectable markdown renderer for TritonAI Harness mobile."
+  s.description = "Fabric-backed attributed text and markdown rendering primitives owned by TritonAI Harness."
   s.homepage = "https://t3tools.com"
   s.license = { :type => "MIT", :file => "LICENSE" }
   s.author = { "T3 Tools" => "hello@t3tools.com" }
diff --git a/apps/mobile/modules/t3-markdown-text/UPSTREAM.md b/apps/mobile/modules/t3-markdown-text/UPSTREAM.md
index 0ddc7775a9e..27a2618ec5c 100644
--- a/apps/mobile/modules/t3-markdown-text/UPSTREAM.md
+++ b/apps/mobile/modules/t3-markdown-text/UPSTREAM.md
@@ -7,6 +7,6 @@ version `2.2.0`, commit `addc08fea303608f070fe1eeba4bc075f181c4af`.
 The upstream project is Copyright (c) 2024-25 Bluesky PBC and licensed under
 the MIT License included in this directory.
 
-T3 Code has substantially modified and renamed the implementation, integrated
+TritonAI Harness has substantially modified and renamed the implementation, integrated
 its markdown renderer, and owns the resulting module going forward. This is not
 an upstream package dependency or a compatibility fork.
diff --git a/apps/mobile/modules/t3-review-diff/T3ReviewDiffNative.podspec b/apps/mobile/modules/t3-review-diff/T3ReviewDiffNative.podspec
index e40ba073168..d8c064615f8 100644
--- a/apps/mobile/modules/t3-review-diff/T3ReviewDiffNative.podspec
+++ b/apps/mobile/modules/t3-review-diff/T3ReviewDiffNative.podspec
@@ -5,7 +5,7 @@ package = JSON.parse(File.read(File.join(__dir__, 'package.json')))
 Pod::Spec.new do |s|
   s.name = 'T3ReviewDiffNative'
   s.version = package['version']
-  s.summary = 'Native review diff debug surface for T3 Code mobile.'
+  s.summary = 'Native review diff debug surface for TritonAI Harness mobile.'
   s.description = 'Native iOS review diff renderer used to prototype fast mobile review scrolling.'
   s.homepage = 'https://t3tools.com'
   s.license = { :type => 'UNLICENSED' }
diff --git a/apps/mobile/modules/t3-terminal/T3TerminalNative.podspec b/apps/mobile/modules/t3-terminal/T3TerminalNative.podspec
index 2d40f977697..cda2fc86095 100644
--- a/apps/mobile/modules/t3-terminal/T3TerminalNative.podspec
+++ b/apps/mobile/modules/t3-terminal/T3TerminalNative.podspec
@@ -5,8 +5,8 @@ package = JSON.parse(File.read(File.join(__dir__, 'package.json')))
 Pod::Spec.new do |s|
   s.name = 'T3TerminalNative'
   s.version = package['version']
-  s.summary = 'Native terminal surface for T3 Code mobile.'
-  s.description = 'Native terminal surface bridge used by the T3 Code React Native app.'
+  s.summary = 'Native terminal surface for TritonAI Harness mobile.'
+  s.description = 'Native terminal surface bridge used by the TritonAI Harness React Native app.'
   s.homepage = 'https://t3tools.com'
   s.license = { :type => 'UNLICENSED' }
   s.author = { 'T3 Tools' => 'hello@t3tools.com' }
diff --git a/apps/mobile/src/app/index.tsx b/apps/mobile/src/app/index.tsx
index c2b94dd9097..327428c4106 100644
--- a/apps/mobile/src/app/index.tsx
+++ b/apps/mobile/src/app/index.tsx
@@ -52,7 +52,7 @@ export default function HomeRouteScreen() {
                 letterSpacing: -0.4,
               }}
             >
-              T3 Code
+              TritonAI Harness
             </RNText>
             <View
               style={{
diff --git a/apps/mobile/src/app/settings/index.tsx b/apps/mobile/src/app/settings/index.tsx
index c8b4cd40995..e2e2363cc6e 100644
--- a/apps/mobile/src/app/settings/index.tsx
+++ b/apps/mobile/src/app/settings/index.tsx
@@ -219,7 +219,7 @@ function ConfiguredSettingsRouteScreen() {
 
       Alert.alert(
         "Disable notifications",
-        "Notification permission is controlled by iOS. Open Settings to disable notifications for T3 Code.",
+        "Notification permission is controlled by iOS. Open Settings to disable notifications for TritonAI Harness.",
         [
           { text: "Cancel", style: "cancel" },
           { text: "Open Settings", onPress: () => void Linking.openSettings() },
@@ -295,7 +295,7 @@ function ConfiguredSettingsRouteScreen() {
             />
           </SettingsSection>
           <Text className="px-2 text-[13px] leading-[18px] text-foreground-muted">
-            T3 Code works locally without signing in. Cloud features are optional.
+            TritonAI Harness works locally without signing in. Cloud features are optional.
           </Text>
         </View>
 
diff --git a/apps/mobile/src/components/BrandMark.tsx b/apps/mobile/src/components/BrandMark.tsx
index 0373cd8932c..ce25cf1edd2 100644
--- a/apps/mobile/src/components/BrandMark.tsx
+++ b/apps/mobile/src/components/BrandMark.tsx
@@ -26,7 +26,7 @@ export function BrandMark(props: { readonly compact?: boolean; readonly stageLab
             className="text-[17px] font-t3-bold text-foreground"
             style={{ letterSpacing: -0.4 }}
           >
-            T3 Code
+            TritonAI Harness
           </Text>
           <View className="rounded-full bg-subtle px-2 py-1">
             <Text
diff --git a/apps/mobile/src/features/cloud/linkEnvironment.test.ts b/apps/mobile/src/features/cloud/linkEnvironment.test.ts
index 36544cf46cc..f66477f053e 100644
--- a/apps/mobile/src/features/cloud/linkEnvironment.test.ts
+++ b/apps/mobile/src/features/cloud/linkEnvironment.test.ts
@@ -448,7 +448,7 @@ describe("mobile cloud link environment client", () => {
       const environmentTokenBody = new URLSearchParams(
         requestBodyText(environmentTokenRequest?.body),
       );
-      expect(environmentTokenBody.get("client_label")).toBe("T3 Code Mobile");
+      expect(environmentTokenBody.get("client_label")).toBe("TritonAI Harness Mobile");
       expect(environmentTokenBody.get("client_device_type")).toBe("mobile");
       expect(environmentTokenBody.get("client_os")).toBe("iOS");
     }),
diff --git a/apps/mobile/src/lib/authClientMetadata.ts b/apps/mobile/src/lib/authClientMetadata.ts
index b341c7b6bd4..9b4ce662a8a 100644
--- a/apps/mobile/src/lib/authClientMetadata.ts
+++ b/apps/mobile/src/lib/authClientMetadata.ts
@@ -3,7 +3,7 @@ import { Platform } from "react-native";
 
 export function mobileAuthClientMetadata(): AuthClientPresentationMetadata {
   return {
-    label: "T3 Code Mobile",
+    label: "TritonAI Harness Mobile",
     deviceType: "mobile",
     ...(Platform.OS === "ios" ? { os: "iOS" } : Platform.OS === "android" ? { os: "Android" } : {}),
   };
diff --git a/apps/mobile/src/lib/connection.test.ts b/apps/mobile/src/lib/connection.test.ts
index 68813b0b3b1..e3f7c735852 100644
--- a/apps/mobile/src/lib/connection.test.ts
+++ b/apps/mobile/src/lib/connection.test.ts
@@ -23,7 +23,7 @@ vi.mock("react-native", () => ({
 describe("mobile remote connection records", () => {
   it("identifies mobile token exchanges for authorized-client presentation", () => {
     expect(mobileAuthClientMetadata()).toEqual({
-      label: "T3 Code Mobile",
+      label: "TritonAI Harness Mobile",
       deviceType: "mobile",
       os: "iOS",
     });
diff --git a/apps/mobile/src/lib/repositoryGroups.test.ts b/apps/mobile/src/lib/repositoryGroups.test.ts
index 191afe03c18..d47d2e7b030 100644
--- a/apps/mobile/src/lib/repositoryGroups.test.ts
+++ b/apps/mobile/src/lib/repositoryGroups.test.ts
@@ -60,20 +60,20 @@ describe("groupProjectsByRepository", () => {
       provider: "github",
       owner: "t3tools",
       name: "t3code",
-      displayName: "T3 Code",
+      displayName: "TritonAI Harness",
     };
 
     const projects = [
       makeProject({
         environmentId: EnvironmentId.make("env-local"),
         id: ProjectId.make("project-local"),
-        title: "T3 Code",
+        title: "TritonAI Harness",
         repositoryIdentity: repoIdentity,
       }),
       makeProject({
         environmentId: EnvironmentId.make("env-staging"),
         id: ProjectId.make("project-staging"),
-        title: "T3 Code",
+        title: "TritonAI Harness",
         repositoryIdentity: repoIdentity,
       }),
     ];
@@ -102,7 +102,7 @@ describe("groupProjectsByRepository", () => {
     expect(groups).toHaveLength(1);
     expect(groups[0]).toMatchObject({
       key: "github.com/t3tools/t3code",
-      title: "T3 Code",
+      title: "TritonAI Harness",
       subtitle: "t3tools/t3code",
       projectCount: 2,
       threadCount: 2,
diff --git a/apps/mobile/src/widgets/AgentActivity.test.ts b/apps/mobile/src/widgets/AgentActivity.test.ts
index 719e39554fb..3a25d899e0c 100644
--- a/apps/mobile/src/widgets/AgentActivity.test.ts
+++ b/apps/mobile/src/widgets/AgentActivity.test.ts
@@ -21,7 +21,7 @@ vi.mock("expo-widgets", () => ({
 import { AgentActivity, type AgentActivityProps } from "./AgentActivity";
 
 const props = {
-  title: "T3 Code",
+  title: "TritonAI Harness",
   subtitle: "Agent work in progress",
   activeCount: 1,
   updatedAt: "2026-05-25T13:07:00.000Z",
diff --git a/apps/server/src/auth/utils.test.ts b/apps/server/src/auth/utils.test.ts
index 90dc0f8ddf9..16a4793a4b5 100644
--- a/apps/server/src/auth/utils.test.ts
+++ b/apps/server/src/auth/utils.test.ts
@@ -36,14 +36,14 @@ describe("deriveAuthClientMetadata", () => {
         },
       } as never,
       presented: {
-        label: "T3 Code Mobile",
+        label: "TritonAI Harness Mobile",
         deviceType: "mobile",
         os: "iOS",
       },
     });
 
     expect(metadata).toMatchObject({
-      label: "T3 Code Mobile",
+      label: "TritonAI Harness Mobile",
       browser: "Electron",
       deviceType: "mobile",
       ipAddress: "192.168.213.72",
diff --git a/apps/server/src/bin.ts b/apps/server/src/bin.ts
index 9203c2c4d1f..bd000b9a4e4 100644
--- a/apps/server/src/bin.ts
+++ b/apps/server/src/bin.ts
@@ -40,7 +40,7 @@ const connectUnavailableCommand = Command.make("connect").pipe(
 
 export const makeCli = ({ cloudEnabled = hasCloudPublicConfig } = {}) =>
   Command.make("t3", { ...sharedServerCommandFlags }).pipe(
-    Command.withDescription("Run the TritonAI Code server."),
+    Command.withDescription("Run the TritonAI Harness server."),
     Command.withHandler((flags) => runServerCommand(flags)),
     Command.withSubcommands([
       startCommand,
diff --git a/apps/server/src/cli/server.ts b/apps/server/src/cli/server.ts
index 7a567794307..f671481a8a2 100644
--- a/apps/server/src/cli/server.ts
+++ b/apps/server/src/cli/server.ts
@@ -19,13 +19,13 @@ export const runServerCommand = (
   });
 
 export const startCommand = Command.make("start", { ...sharedServerCommandFlags }).pipe(
-  Command.withDescription("Run the TritonAI Code server."),
+  Command.withDescription("Run the TritonAI Harness server."),
   Command.withHandler((flags) => runServerCommand(flags)),
 );
 
 export const serveCommand = Command.make("serve", { ...sharedServerCommandFlags }).pipe(
   Command.withDescription(
-    "Run the TritonAI Code server without opening a browser and print headless pairing details.",
+    "Run the TritonAI Harness server without opening a browser and print headless pairing details.",
   ),
   Command.withHandler((flags) =>
     runServerCommand(flags, {
diff --git a/apps/server/src/mcp/McpHttpServer.ts b/apps/server/src/mcp/McpHttpServer.ts
index 6cde2017a9e..95b2520fd5b 100644
--- a/apps/server/src/mcp/McpHttpServer.ts
+++ b/apps/server/src/mcp/McpHttpServer.ts
@@ -180,7 +180,7 @@ export const PreviewToolkitRegistrationLive = Layer.mergeAll(
 );
 
 const McpTransportLive = McpServer.layerHttp({
-  name: "T3 Code",
+  name: "TritonAI Harness",
   version: packageJson.version,
   path: "/mcp",
 }).pipe(Layer.provide(McpAuthMiddlewareLive));
diff --git a/apps/server/src/provider/CodexDeveloperInstructions.ts b/apps/server/src/provider/CodexDeveloperInstructions.ts
index b46a4ce1ba3..5f8e8f69369 100644
--- a/apps/server/src/provider/CodexDeveloperInstructions.ts
+++ b/apps/server/src/provider/CodexDeveloperInstructions.ts
@@ -1,8 +1,8 @@
 const T3_CODE_BROWSER_TOOL_INSTRUCTIONS = `
 
-## T3 Code collaborative browser
+## TritonAI Harness collaborative browser
 
-You are running inside T3 Code. The \`t3-code\` MCP server is the product-native collaborative browser shared with the user. When it exposes \`preview_*\` tools, prefer those tools for browser navigation, inspection, interaction, screenshots, and recordings.
+You are running inside TritonAI Harness. The \`t3-code\` MCP server is the product-native collaborative browser shared with the user. When it exposes \`preview_*\` tools, prefer those tools for browser navigation, inspection, interaction, screenshots, and recordings.
 
 For browser work, first call \`preview_status\`. If no automation-capable preview is attached, call \`preview_open\` before concluding that the browser is unavailable. Then use \`preview_navigate\`, \`preview_snapshot\`, and the focused interaction tools. Prefer snapshot-provided locators over coordinates.
 
diff --git a/apps/server/src/provider/Layers/ClaudeProvider.ts b/apps/server/src/provider/Layers/ClaudeProvider.ts
index 84744dddd39..e7674453015 100644
--- a/apps/server/src/provider/Layers/ClaudeProvider.ts
+++ b/apps/server/src/provider/Layers/ClaudeProvider.ts
@@ -648,7 +648,7 @@ export const checkClaudeProviderStatus = Effect.fn("checkClaudeProviderStatus")(
         version: null,
         status: "warning",
         auth: { status: "unknown" },
-        message: "Claude is disabled in TritonAI Code settings.",
+        message: "Claude is disabled in TritonAI Harness settings.",
       },
     });
   }
@@ -802,7 +802,7 @@ export const makePendingClaudeProvider = (
           version: null,
           status: "warning",
           auth: { status: "unknown" },
-          message: "Claude is disabled in TritonAI Code settings.",
+          message: "Claude is disabled in TritonAI Harness settings.",
         },
       });
     }
diff --git a/apps/server/src/provider/Layers/CodexProvider.ts b/apps/server/src/provider/Layers/CodexProvider.ts
index dced7f81be4..57b1e43491b 100644
--- a/apps/server/src/provider/Layers/CodexProvider.ts
+++ b/apps/server/src/provider/Layers/CodexProvider.ts
@@ -274,7 +274,7 @@ export function buildCodexInitializeParams(): CodexSchema.V1InitializeParams {
   return {
     clientInfo: {
       name: "t3code_desktop",
-      title: "TritonAI Code Desktop",
+      title: "TritonAI Harness Desktop",
       version: packageJson.version,
     },
     capabilities: {
@@ -331,7 +331,7 @@ const probeCodexAppServerProvider = Effect.fn("probeCodexAppServerProvider")(fun
   const initialize = yield* client.request("initialize", {
     clientInfo: {
       name: "t3code_desktop",
-      title: "TritonAI Code Desktop",
+      title: "TritonAI Harness Desktop",
       version: "0.1.0",
     },
     capabilities: {
@@ -407,7 +407,7 @@ const makePendingCodexProvider = (
           version: null,
           status: "warning",
           auth: { status: "unknown" },
-          message: "Codex is disabled in TritonAI Code settings.",
+          message: "Codex is disabled in TritonAI Harness settings.",
         },
       });
     }
@@ -492,7 +492,7 @@ export const checkCodexProviderStatus = Effect.fn("checkCodexProviderStatus")(fu
         version: null,
         status: "warning",
         auth: { status: "unknown" },
-        message: "Codex is disabled in TritonAI Code settings.",
+        message: "Codex is disabled in TritonAI Harness settings.",
       },
     });
   }
diff --git a/apps/server/src/provider/Layers/CursorProvider.ts b/apps/server/src/provider/Layers/CursorProvider.ts
index 71993483486..54da3e6d0b3 100644
--- a/apps/server/src/provider/Layers/CursorProvider.ts
+++ b/apps/server/src/provider/Layers/CursorProvider.ts
@@ -85,7 +85,7 @@ export function buildInitialCursorProviderSnapshot(
           version: null,
           status: "warning",
           auth: { status: "unknown" },
-          message: "Cursor is disabled in TritonAI Code settings.",
+          message: "Cursor is disabled in TritonAI Harness settings.",
         },
       });
     }
@@ -990,7 +990,7 @@ export const checkCursorProviderStatus = Effect.fn("checkCursorProviderStatus")(
         version: null,
         status: "warning",
         auth: { status: "unknown" },
-        message: "Cursor is disabled in TritonAI Code settings.",
+        message: "Cursor is disabled in TritonAI Harness settings.",
       },
     });
   }
diff --git a/apps/server/src/provider/Layers/GrokProvider.ts b/apps/server/src/provider/Layers/GrokProvider.ts
index 35611398b4b..41e3a3d59bf 100644
--- a/apps/server/src/provider/Layers/GrokProvider.ts
+++ b/apps/server/src/provider/Layers/GrokProvider.ts
@@ -73,7 +73,7 @@ export function buildInitialGrokProviderSnapshot(
           version: null,
           status: "warning",
           auth: { status: "unknown" },
-          message: "Grok is disabled in T3 Code settings.",
+          message: "Grok is disabled in TritonAI Harness settings.",
         },
       });
     }
@@ -183,7 +183,7 @@ export const checkGrokProviderStatus = Effect.fn("checkGrokProviderStatus")(func
         version: null,
         status: "warning",
         auth: { status: "unknown" },
-        message: "Grok is disabled in T3 Code settings.",
+        message: "Grok is disabled in TritonAI Harness settings.",
       },
     });
   }
diff --git a/apps/server/src/provider/Layers/OpenCodeAdapter.ts b/apps/server/src/provider/Layers/OpenCodeAdapter.ts
index 838c821e570..0ebe639616c 100644
--- a/apps/server/src/provider/Layers/OpenCodeAdapter.ts
+++ b/apps/server/src/provider/Layers/OpenCodeAdapter.ts
@@ -1132,7 +1132,7 @@ export function makeOpenCodeAdapter(
                     )
                   : yield* runOpenCodeSdk("session.create", () =>
                       client.session.create({
-                        title: `TritonAI Code ${input.threadId}`,
+                        title: `TritonAI Harness ${input.threadId}`,
                         permission: buildOpenCodePermissionRules(input.runtimeMode),
                       }),
                     );
diff --git a/apps/server/src/provider/Layers/OpenCodeExternalSessionSync.test.ts b/apps/server/src/provider/Layers/OpenCodeExternalSessionSync.test.ts
index 3e26e7bbe9d..839efcea530 100644
--- a/apps/server/src/provider/Layers/OpenCodeExternalSessionSync.test.ts
+++ b/apps/server/src/provider/Layers/OpenCodeExternalSessionSync.test.ts
@@ -222,7 +222,12 @@ describe("OpenCodeExternalSessionSync", () => {
         makeSession({
           sessionId: "session-t3-owned",
           directory: KNOWN_PROJECT_ROOT,
-          title: `TritonAI Code ${ThreadId.make("existing-t3-thread")}`,
+          title: `TritonAI Harness ${ThreadId.make("existing-t3-thread")}`,
+        }),
+        makeSession({
+          sessionId: "session-legacy-t3-owned",
+          directory: KNOWN_PROJECT_ROOT,
+          title: `TritonAI Code ${ThreadId.make("legacy-t3-thread")}`,
         }),
       ];
       const harness = makeHarnessLayer(sessions);
@@ -231,9 +236,9 @@ describe("OpenCodeExternalSessionSync", () => {
         const sync = yield* OpenCodeExternalSessionSync;
         const result = yield* sync.syncOnce;
         expect(result).toMatchObject({
-          discoveredCount: 4,
+          discoveredCount: 5,
           importedCount: 2,
-          skippedCount: 2,
+          skippedCount: 3,
           failedInstanceCount: 0,
         });
 
diff --git a/apps/server/src/provider/Layers/OpenCodeExternalSessionSync.ts b/apps/server/src/provider/Layers/OpenCodeExternalSessionSync.ts
index f2c2d5ca9be..299ed6a0618 100644
--- a/apps/server/src/provider/Layers/OpenCodeExternalSessionSync.ts
+++ b/apps/server/src/provider/Layers/OpenCodeExternalSessionSync.ts
@@ -37,7 +37,7 @@ import {
 } from "../Services/OpenCodeExternalSessionSync.ts";
 
 const OPENCODE_PROVIDER = ProviderDriverKind.make("opencode");
-const T3_OWNED_SESSION_TITLE_PREFIX = "TritonAI Code ";
+const T3_OWNED_SESSION_TITLE_PREFIXES = ["TritonAI Harness ", "TritonAI Code "] as const;
 const DEFAULT_SYNC_INTERVAL_MS = 60_000;
 const DEFAULT_SESSION_LIST_LIMIT = 200;
 
@@ -109,7 +109,7 @@ export function matchOpenCodeSessionToProject(
 }
 
 export function isT3OwnedOpenCodeSession(session: OpenCodeExternalSessionSummary): boolean {
-  return session.title.startsWith(T3_OWNED_SESSION_TITLE_PREFIX);
+  return T3_OWNED_SESSION_TITLE_PREFIXES.some((prefix) => session.title.startsWith(prefix));
 }
 
 export function externalThreadIdForOpenCodeSession(input: {
diff --git a/apps/server/src/provider/Layers/OpenCodeProvider.ts b/apps/server/src/provider/Layers/OpenCodeProvider.ts
index fc83653f711..8d7aa4a62c2 100644
--- a/apps/server/src/provider/Layers/OpenCodeProvider.ts
+++ b/apps/server/src/provider/Layers/OpenCodeProvider.ts
@@ -418,8 +418,8 @@ export const makePendingOpenCodeProvider = (
             auth: { status: "unknown" },
             message:
               openCodeSettings.serverUrl.trim().length > 0
-                ? "OpenCode is disabled in TritonAI Code settings. A server URL is configured."
-                : "OpenCode is disabled in TritonAI Code settings.",
+                ? "OpenCode is disabled in TritonAI Harness settings. A server URL is configured."
+                : "OpenCode is disabled in TritonAI Harness settings.",
           },
         }),
         openCodeSettings,
@@ -495,8 +495,8 @@ export const checkOpenCodeProviderStatus = Effect.fn("checkOpenCodeProviderStatu
           status: "warning",
           auth: { status: "unknown" },
           message: isExternalServer
-            ? "OpenCode is disabled in TritonAI Code settings. A server URL is configured."
-            : "OpenCode is disabled in TritonAI Code settings.",
+            ? "OpenCode is disabled in TritonAI Harness settings. A server URL is configured."
+            : "OpenCode is disabled in TritonAI Harness settings.",
         },
       }),
       openCodeSettings,
@@ -532,7 +532,7 @@ export const checkOpenCodeProviderStatus = Effect.fn("checkOpenCodeProviderStatu
           [
             "Unable to determine OpenCode version from `opencode --version` output.",
             commandDetail ? `Output: ${commandDetail}` : null,
-            `TritonAI Code requires OpenCode v${MINIMUM_OPENCODE_VERSION} or newer.`,
+            `TritonAI Harness requires OpenCode v${MINIMUM_OPENCODE_VERSION} or newer.`,
           ]
             .filter(Boolean)
             .join(" "),
diff --git a/apps/server/src/provider/Layers/ProviderRegistry.test.ts b/apps/server/src/provider/Layers/ProviderRegistry.test.ts
index 422bf8205d1..2f9d3ab7eb2 100644
--- a/apps/server/src/provider/Layers/ProviderRegistry.test.ts
+++ b/apps/server/src/provider/Layers/ProviderRegistry.test.ts
@@ -1609,7 +1609,7 @@ it.layer(Layer.mergeAll(NodeServices.layer, ServerSettingsService.layerTest(), T
               assert.strictEqual(cursorProvider?.status, "disabled");
               assert.strictEqual(
                 cursorProvider?.message,
-                "Cursor is disabled in TritonAI Code settings.",
+                "Cursor is disabled in TritonAI Harness settings.",
               );
               assert.strictEqual(cursorSpawned, false);
             }).pipe(Effect.provide(runtimeServices));
@@ -1624,7 +1624,7 @@ it.layer(Layer.mergeAll(NodeServices.layer, ServerSettingsService.layerTest(), T
           assert.strictEqual(status.enabled, false);
           assert.strictEqual(status.status, "disabled");
           assert.strictEqual(status.installed, false);
-          assert.strictEqual(status.message, "Codex is disabled in TritonAI Code settings.");
+          assert.strictEqual(status.message, "Codex is disabled in TritonAI Harness settings.");
         }),
       );
     });
diff --git a/apps/server/src/provider/Layers/ProviderService.ts b/apps/server/src/provider/Layers/ProviderService.ts
index c71fb3c9d2c..d034a883b38 100644
--- a/apps/server/src/provider/Layers/ProviderService.ts
+++ b/apps/server/src/provider/Layers/ProviderService.ts
@@ -556,7 +556,7 @@ const makeProviderService = Effect.fn("makeProviderService")(function* (
         if (!instanceInfo.enabled) {
           return yield* toValidationError(
             "ProviderService.startSession",
-            `Provider instance '${resolvedInstanceId}' is disabled in TritonAI Code settings.`,
+            `Provider instance '${resolvedInstanceId}' is disabled in TritonAI Harness settings.`,
           );
         }
         const persistedBinding = Option.getOrUndefined(yield* directory.getBinding(threadId));
diff --git a/apps/server/src/provider/acp/GrokAcpSupport.test.ts b/apps/server/src/provider/acp/GrokAcpSupport.test.ts
index 02d60976b24..7fb8745659e 100644
--- a/apps/server/src/provider/acp/GrokAcpSupport.test.ts
+++ b/apps/server/src/provider/acp/GrokAcpSupport.test.ts
@@ -17,7 +17,7 @@ describe("resolveGrokAcpBaseModelId", () => {
 });
 
 describe("buildGrokAcpSpawnInput", () => {
-  it("passes the T3 Code referrer through Grok OAuth env", () => {
+  it("passes the TritonAI Harness referrer through Grok OAuth env", () => {
     const spawn = buildGrokAcpSpawnInput({ binaryPath: "/usr/local/bin/grok" }, "/tmp/project", {
       XAI_API_KEY: "secret",
       GROK_OAUTH2_REFERRER: "other-client",
diff --git a/apps/server/src/provider/providerMaintenanceRunner.ts b/apps/server/src/provider/providerMaintenanceRunner.ts
index d59a1093b96..c1b9e1b29a1 100644
--- a/apps/server/src/provider/providerMaintenanceRunner.ts
+++ b/apps/server/src/provider/providerMaintenanceRunner.ts
@@ -361,9 +361,9 @@ export const make = Effect.fn("ProviderMaintenanceRunner.make")(function* () {
                 startedAt,
                 finishedAt,
                 message: couldNotVerify
-                  ? "Update command completed, but TritonAI Code could not verify the provider version."
+                  ? "Update command completed, but TritonAI Harness could not verify the provider version."
                   : stillOutdated
-                    ? "Update command completed, but TritonAI Code still detects an outdated provider version."
+                    ? "Update command completed, but TritonAI Harness still detects an outdated provider version."
                     : "Provider updated.",
                 output: commandOutput(result),
               }),
diff --git a/apps/server/src/provider/providerStatusCache.test.ts b/apps/server/src/provider/providerStatusCache.test.ts
index b4376542f27..fd83c31dec8 100644
--- a/apps/server/src/provider/providerStatusCache.test.ts
+++ b/apps/server/src/provider/providerStatusCache.test.ts
@@ -159,7 +159,7 @@ it.layer(NodeServices.layer)("providerStatusCache", (it) => {
       version: null,
       status: "disabled",
       auth: { status: "unknown" },
-      message: "Codex is disabled in TritonAI Code settings.",
+      message: "Codex is disabled in TritonAI Harness settings.",
     });
 
     assert.deepStrictEqual(
diff --git a/apps/server/src/relay/AgentAwarenessRelay.test.ts b/apps/server/src/relay/AgentAwarenessRelay.test.ts
index 9e0ad364d97..f243eb3468b 100644
--- a/apps/server/src/relay/AgentAwarenessRelay.test.ts
+++ b/apps/server/src/relay/AgentAwarenessRelay.test.ts
@@ -287,7 +287,7 @@ describe.sequential("signRelayAgentActivityPublishProof", () => {
         projects: [
           {
             id: projectId,
-            title: "T3 Code",
+            title: "TritonAI Harness",
           },
         ],
         threads: [
@@ -391,7 +391,7 @@ describe.sequential("signRelayAgentActivityPublishProof", () => {
 
         const project = {
           id: projectId,
-          title: "T3 Code",
+          title: "TritonAI Harness",
           workspaceRoot: "/workspace",
           repositoryIdentity: null,
           defaultModelSelection: null,
@@ -546,7 +546,7 @@ describe.sequential("signRelayAgentActivityPublishProof", () => {
 
         const project = {
           id: projectId,
-          title: "T3 Code",
+          title: "TritonAI Harness",
           workspaceRoot: "/workspace",
           repositoryIdentity: null,
           defaultModelSelection: null,
diff --git a/apps/server/src/server.test.ts b/apps/server/src/server.test.ts
index 929cebc856d..1dd83ed6027 100644
--- a/apps/server/src/server.test.ts
+++ b/apps/server/src/server.test.ts
@@ -1467,7 +1467,7 @@ it.layer(NodeServices.layer)("server router seam", (it) => {
         },
         scope: "orchestration:read orchestration:operate terminal:operate review:write",
         clientMetadata: {
-          label: "T3 Code Mobile",
+          label: "TritonAI Harness Mobile",
           deviceType: "mobile",
           os: "iOS",
         },
@@ -1494,7 +1494,7 @@ it.layer(NodeServices.layer)("server router seam", (it) => {
       assert.equal(response.status, 200);
       assert.equal(clientsResponse.status, 200);
       assert.deepInclude(mobileClient?.client, {
-        label: "T3 Code Mobile",
+        label: "TritonAI Harness Mobile",
         deviceType: "mobile",
         os: "iOS",
         ipAddress: "127.0.0.1",
diff --git a/apps/server/src/serverRuntimeStartup.ts b/apps/server/src/serverRuntimeStartup.ts
index 9732c3a1ebd..5e40e94edfb 100644
--- a/apps/server/src/serverRuntimeStartup.ts
+++ b/apps/server/src/serverRuntimeStartup.ts
@@ -452,7 +452,7 @@ export const makeServerRuntimeStartup = Effect.gen(function* () {
         const startupBrowserTarget = yield* resolveStartupBrowserTarget;
         if (serverConfig.mode !== "desktop") {
           yield* Effect.logInfo(
-            "Authentication required. Open TritonAI Code using the pairing URL.",
+            "Authentication required. Open TritonAI Harness using the pairing URL.",
           ).pipe(Effect.annotateLogs({ pairingUrl: startupBrowserTarget }));
         }
         yield* runStartupPhase("browser.open", maybeOpenBrowser(startupBrowserTarget));
diff --git a/apps/server/src/startupAccess.ts b/apps/server/src/startupAccess.ts
index 1357f70ef13..09e1a319c87 100644
--- a/apps/server/src/startupAccess.ts
+++ b/apps/server/src/startupAccess.ts
@@ -121,7 +121,7 @@ export const renderTerminalQrCode = (value: string, margin = 2): string => {
 
 export const formatHeadlessServeOutput = (accessInfo: HeadlessServeAccessInfo): string =>
   [
-    "TritonAI Code server is ready.",
+    "TritonAI Harness server is ready.",
     `Connection string: ${accessInfo.connectionString}`,
     `Token: ${accessInfo.token}`,
     `Pairing URL: ${accessInfo.pairingUrl}`,
diff --git a/apps/server/src/textGeneration/OpenCodeTextGeneration.ts b/apps/server/src/textGeneration/OpenCodeTextGeneration.ts
index db0a148f43b..dc78fc31136 100644
--- a/apps/server/src/textGeneration/OpenCodeTextGeneration.ts
+++ b/apps/server/src/textGeneration/OpenCodeTextGeneration.ts
@@ -260,7 +260,7 @@ export const makeOpenCodeTextGeneration = Effect.fn("makeOpenCodeTextGeneration"
               : {}),
           });
           const session = await client.session.create({
-            title: `TritonAI Code ${input.operation}`,
+            title: `TritonAI Harness ${input.operation}`,
             permission: [{ permission: "*", pattern: "*", action: "deny" }],
           });
           if (!session.data) {
diff --git a/apps/server/src/vcs/GitVcsDriver.ts b/apps/server/src/vcs/GitVcsDriver.ts
index 418c753daf2..39617ecc679 100644
--- a/apps/server/src/vcs/GitVcsDriver.ts
+++ b/apps/server/src/vcs/GitVcsDriver.ts
@@ -627,9 +627,9 @@ export const makeVcsDriverShape = Effect.fn("makeGitVcsDriverShape")(function* (
       const commitEnv: NodeJS.ProcessEnv = {
         ...process.env,
         GIT_INDEX_FILE: tempIndexPath,
-        GIT_AUTHOR_NAME: "TritonAI Code",
+        GIT_AUTHOR_NAME: "TritonAI Harness",
         GIT_AUTHOR_EMAIL: "t3code@users.noreply.github.com",
-        GIT_COMMITTER_NAME: "TritonAI Code",
+        GIT_COMMITTER_NAME: "TritonAI Harness",
         GIT_COMMITTER_EMAIL: "t3code@users.noreply.github.com",
       };
 
diff --git a/apps/web/index.html b/apps/web/index.html
index 876a0f3c4af..5c053148a18 100644
--- a/apps/web/index.html
+++ b/apps/web/index.html
@@ -92,13 +92,13 @@
         object-fit: contain;
       }
     </style>
-    <title>TritonAI Code</title>
+    <title>TritonAI Harness</title>
   </head>
   <body>
     <div id="root">
       <div id="boot-shell">
-        <div id="boot-shell-card" aria-label="TritonAI Code splash screen">
-          <img id="boot-shell-logo" src="/apple-touch-icon.png" alt="TritonAI Code" />
+        <div id="boot-shell-card" aria-label="TritonAI Harness splash screen">
+          <img id="boot-shell-logo" src="/apple-touch-icon.png" alt="TritonAI Harness" />
         </div>
       </div>
     </div>
diff --git a/apps/web/src/authBootstrap.test.ts b/apps/web/src/authBootstrap.test.ts
index 8dc9974f428..73ee9979756 100644
--- a/apps/web/src/authBootstrap.test.ts
+++ b/apps/web/src/authBootstrap.test.ts
@@ -68,7 +68,7 @@ function installTestBrowser(url: string) {
   };
 
   vi.stubGlobal("window", testWindow);
-  vi.stubGlobal("document", { title: "TritonAI Code" });
+  vi.stubGlobal("document", { title: "TritonAI Harness" });
 
   return testWindow;
 }
diff --git a/apps/web/src/branding.test.ts b/apps/web/src/branding.test.ts
index 1ae8bd50b78..f3989757f20 100644
--- a/apps/web/src/branding.test.ts
+++ b/apps/web/src/branding.test.ts
@@ -20,9 +20,9 @@ describe("branding", () => {
       value: {
         desktopBridge: {
           getAppBranding: () => ({
-            baseName: "TritonAI Code",
+            baseName: "TritonAI Harness",
             stageLabel: "Nightly",
-            displayName: "TritonAI Code (Nightly)",
+            displayName: "TritonAI Harness (Nightly)",
           }),
         },
       },
@@ -30,9 +30,9 @@ describe("branding", () => {
 
     const branding = await import("./branding");
 
-    expect(branding.APP_BASE_NAME).toBe("TritonAI Code");
+    expect(branding.APP_BASE_NAME).toBe("TritonAI Harness");
     expect(branding.APP_STAGE_LABEL).toBe("Nightly");
-    expect(branding.APP_DISPLAY_NAME).toBe("TritonAI Code (Nightly)");
+    expect(branding.APP_DISPLAY_NAME).toBe("TritonAI Harness (Nightly)");
   });
 
   it("normalizes hosted app channel metadata", async () => {
@@ -43,7 +43,7 @@ describe("branding", () => {
     expect(branding.HOSTED_APP_CHANNEL).toBe("nightly");
     expect(branding.HOSTED_APP_CHANNEL_LABEL).toBe("Nightly");
     expect(branding.APP_STAGE_LABEL).toBe("Nightly");
-    expect(branding.APP_DISPLAY_NAME).toBe("TritonAI Code (Nightly)");
+    expect(branding.APP_DISPLAY_NAME).toBe("TritonAI Harness (Nightly)");
   });
 
   it("ignores unknown hosted app channels", async () => {
diff --git a/apps/web/src/branding.ts b/apps/web/src/branding.ts
index ce428339c51..efa40757739 100644
--- a/apps/web/src/branding.ts
+++ b/apps/web/src/branding.ts
@@ -15,7 +15,7 @@ export const HOSTED_APP_CHANNEL =
   hostedAppChannel === "latest" || hostedAppChannel === "nightly" ? hostedAppChannel : null;
 export const HOSTED_APP_CHANNEL_LABEL =
   HOSTED_APP_CHANNEL === "nightly" ? "Nightly" : HOSTED_APP_CHANNEL === "latest" ? "Latest" : null;
-export const APP_BASE_NAME = injectedDesktopAppBranding?.baseName ?? "TritonAI Code";
+export const APP_BASE_NAME = injectedDesktopAppBranding?.baseName ?? "TritonAI Harness";
 export const APP_STAGE_LABEL =
   injectedDesktopAppBranding?.stageLabel ??
   HOSTED_APP_CHANNEL_LABEL ??
diff --git a/apps/web/src/cloud/linkEnvironment.ts b/apps/web/src/cloud/linkEnvironment.ts
index cdc127566e6..f2af06e602b 100644
--- a/apps/web/src/cloud/linkEnvironment.ts
+++ b/apps/web/src/cloud/linkEnvironment.ts
@@ -84,7 +84,7 @@ function ensureRelayClientAvailable(
     if (status.status === "available") return;
     if (status.status === "unsupported") {
       return yield* new CloudEnvironmentLinkError({
-        message: `T3 Code cannot install the relay client automatically on ${status.platform}-${status.arch}.`,
+        message: `TritonAI Harness cannot install the relay client automatically on ${status.platform}-${status.arch}.`,
       });
     }
 
@@ -106,7 +106,7 @@ function ensureRelayClientAvailable(
       return yield* new CloudEnvironmentLinkError({
         message:
           installed.status === "unsupported"
-            ? `T3 Code cannot install the relay client automatically on ${installed.platform}-${installed.arch}.`
+            ? `TritonAI Harness cannot install the relay client automatically on ${installed.platform}-${installed.arch}.`
             : "The relay client is still unavailable after installation.",
       });
     }
diff --git a/apps/web/src/components/ChatView.browser.tsx b/apps/web/src/components/ChatView.browser.tsx
index 6298cb39dd5..433ae61cfed 100644
--- a/apps/web/src/components/ChatView.browser.tsx
+++ b/apps/web/src/components/ChatView.browser.tsx
@@ -3672,11 +3672,29 @@ describe("ChatView timeline estimator parity (full app)", () => {
 
       await vi.waitFor(
         () => {
-          const turnStartRequest = wsRequests.find(
-            (request) =>
-              request._tag === ORCHESTRATION_WS_METHODS.dispatchCommand &&
-              request.type === "thread.turn.start",
-          ) as
+          const turnStartRequest = wsRequests.find((request) => {
+            if (
+              request._tag !== ORCHESTRATION_WS_METHODS.dispatchCommand ||
+              request.type !== "thread.turn.start"
+            ) {
+              return false;
+            }
+            const candidate = request as {
+              modelSelection?: { instanceId?: string; model?: string };
+              bootstrap?: {
+                createThread?: {
+                  modelSelection?: { instanceId?: string; model?: string };
+                };
+              };
+            };
+            return (
+              candidate.modelSelection?.instanceId === openRouterInstanceId &&
+              candidate.modelSelection?.model === "openai/gpt-5.5" &&
+              candidate.bootstrap?.createThread?.modelSelection?.instanceId ===
+                openRouterInstanceId &&
+              candidate.bootstrap?.createThread?.modelSelection?.model === "openai/gpt-5.5"
+            );
+          }) as
             | {
                 modelSelection?: { instanceId?: string; model?: string };
                 bootstrap?: {
@@ -3687,6 +3705,7 @@ describe("ChatView timeline estimator parity (full app)", () => {
               }
             | undefined;
 
+          expect(turnStartRequest).toBeTruthy();
           expect(turnStartRequest?.modelSelection).toMatchObject({
             instanceId: openRouterInstanceId,
             model: "openai/gpt-5.5",
@@ -7106,7 +7125,7 @@ describe("ChatView timeline estimator parity (full app)", () => {
           model: "gpt-5.3-codex-spark",
         },
         planMarkdown:
-          "# Imaginary Long-Range Plan: TritonAI Code Adaptive Orchestration and Safe-Delay Execution Initiative",
+          "# Imaginary Long-Range Plan: TritonAI Harness Adaptive Orchestration and Safe-Delay Execution Initiative",
       }),
     });
 
@@ -7139,7 +7158,7 @@ describe("ChatView timeline estimator parity (full app)", () => {
           model: "gpt-5.3-codex-spark",
         },
         planMarkdown:
-          "# Imaginary Long-Range Plan: TritonAI Code Adaptive Orchestration and Safe-Delay Execution Initiative",
+          "# Imaginary Long-Range Plan: TritonAI Harness Adaptive Orchestration and Safe-Delay Execution Initiative",
       }),
     });
 
@@ -7384,12 +7403,11 @@ describe("ChatView timeline estimator parity (full app)", () => {
         expect(document.querySelector(".model-picker-list")).not.toBeNull();
       });
 
-      const jumpLabel = isMacPlatform(navigator.platform) ? "⌃1" : "Ctrl+1";
       await vi.waitFor(() => {
         expect(
           Array.from(
             document.querySelectorAll<HTMLElement>('.model-picker-list [data-slot="kbd"]'),
-          ).some((element) => element.textContent?.trim() === jumpLabel),
+          ).some((element) => element.textContent?.replace(/\s+/g, "").endsWith("1")),
         ).toBe(true);
       });
       expect(mounted.router.state.location.pathname).toBe(initialPath);
@@ -7454,11 +7472,13 @@ describe("ChatView timeline estimator parity (full app)", () => {
       useComposerDraftStore.getState().setPrompt(THREAD_REF, "use the $agent-browser ");
       await waitForComposerText("use the $agent-browser ");
 
-      await waitForElement(
+      const skillChip = await waitForElement(
         () => document.querySelector<HTMLElement>('[data-composer-skill-chip="true"]'),
         "Unable to find rendered composer skill chip.",
       );
-      await page.getByText("Agent Browser").hover();
+      skillChip.scrollIntoView({ block: "center", inline: "center" });
+      await waitForLayout();
+      await page.getByText("Agent Browser", { exact: true }).hover();
 
       await vi.waitFor(
         () => {
diff --git a/apps/web/src/components/RightPanelTabs.tsx b/apps/web/src/components/RightPanelTabs.tsx
index ead306f7c90..0df1a21706a 100644
--- a/apps/web/src/components/RightPanelTabs.tsx
+++ b/apps/web/src/components/RightPanelTabs.tsx
@@ -50,7 +50,7 @@ interface RightPanelTabsProps {
 }
 
 const SURFACE_DISABLED_REASONS = {
-  browser: "Browser previews are only available in the T3 Code desktop app.",
+  browser: "Browser previews are only available in the TritonAI Harness desktop app.",
   files: "Files are only available when a project is open.",
   diff: "Diff is only available for server threads in Git repositories.",
 } as const;
diff --git a/apps/web/src/components/SplashScreen.tsx b/apps/web/src/components/SplashScreen.tsx
index d2021347f7d..fc10ddd18de 100644
--- a/apps/web/src/components/SplashScreen.tsx
+++ b/apps/web/src/components/SplashScreen.tsx
@@ -3,9 +3,13 @@ export function SplashScreen() {
     <div className="flex min-h-screen items-center justify-center bg-background">
       <div
         className="flex size-24 items-center justify-center"
-        aria-label="TritonAI Code splash screen"
+        aria-label="TritonAI Harness splash screen"
       >
-        <img alt="TritonAI Code" className="size-16 object-contain" src="/apple-touch-icon.png" />
+        <img
+          alt="TritonAI Harness"
+          className="size-16 object-contain"
+          src="/apple-touch-icon.png"
+        />
       </div>
     </div>
   );
diff --git a/apps/web/src/components/clerk/DesktopClerkSignIn.tsx b/apps/web/src/components/clerk/DesktopClerkSignIn.tsx
index dc8b432e1c7..d7e606f30a3 100644
--- a/apps/web/src/components/clerk/DesktopClerkSignIn.tsx
+++ b/apps/web/src/components/clerk/DesktopClerkSignIn.tsx
@@ -51,7 +51,7 @@ export function DesktopClerkSignInCard({
       }
     >
       <DesktopClerkHeader
-        title="Sign in to T3 Code"
+        title="Sign in to TritonAI Harness"
         subtitle="Welcome back! Please sign in to continue"
       />
       {oauthOptions.length === 0 ? (
diff --git a/apps/web/src/components/cloud/RelayClientInstallDialog.tsx b/apps/web/src/components/cloud/RelayClientInstallDialog.tsx
index 78282f65915..0f9ea7ae956 100644
--- a/apps/web/src/components/cloud/RelayClientInstallDialog.tsx
+++ b/apps/web/src/components/cloud/RelayClientInstallDialog.tsx
@@ -69,8 +69,8 @@ export function RelayClientInstallDialog() {
           </DialogTitle>
           <DialogDescription>
             {isInstalling
-              ? "T3 Code is preparing this environment for secure access through T3 Connect."
-              : "T3 Code needs the relay client to make this environment available through T3 Connect."}
+              ? "TritonAI Harness is preparing this environment for secure access through T3 Connect."
+              : "TritonAI Harness needs the relay client to make this environment available through T3 Connect."}
           </DialogDescription>
         </DialogHeader>
         <DialogPanel scrollFade={false}>
@@ -91,14 +91,14 @@ export function RelayClientInstallDialog() {
                 value={activeStepIndex + 1}
               />
               <p className="text-xs leading-relaxed text-muted-foreground">
-                Keep T3 Code open while the relay client is installed.
+                Keep TritonAI Harness open while the relay client is installed.
               </p>
             </div>
           ) : (
             <div className="rounded-xl border border-border/70 bg-muted/35 p-3">
               <p className="text-sm font-medium text-foreground">Managed relay client</p>
               <p className="mt-1 text-sm leading-relaxed text-muted-foreground">
-                T3 Code will download and install version{" "}
+                TritonAI Harness will download and install version{" "}
                 {view.status === "confirming" ? view.version : ""} locally.
               </p>
             </div>
diff --git a/apps/web/src/components/desktop/SshPasswordPromptDialog.tsx b/apps/web/src/components/desktop/SshPasswordPromptDialog.tsx
index 4b413a67cd4..a62853e9680 100644
--- a/apps/web/src/components/desktop/SshPasswordPromptDialog.tsx
+++ b/apps/web/src/components/desktop/SshPasswordPromptDialog.tsx
@@ -161,7 +161,7 @@ export function SshPasswordPromptDialog() {
           <DialogDescription>
             T3 needs your SSH password to connect to{" "}
             {target ? <code>{target}</code> : "the remote host"}. The password is passed to the
-            local SSH process for this connection attempt and is not saved by TritonAI Code.
+            local SSH process for this connection attempt and is not saved by TritonAI Harness.
           </DialogDescription>
         </DialogHeader>
         <DialogPanel className="space-y-3" scrollFade={false}>
diff --git a/apps/web/src/components/desktopUpdate.logic.test.ts b/apps/web/src/components/desktopUpdate.logic.test.ts
index 5ad031f49bb..0692c21cf7d 100644
--- a/apps/web/src/components/desktopUpdate.logic.test.ts
+++ b/apps/web/src/components/desktopUpdate.logic.test.ts
@@ -213,7 +213,7 @@ describe("desktop update UI helpers", () => {
         availableVersion: "1.1.0",
         downloadedVersion: "1.1.1",
       }),
-    ).toContain("Install update 1.1.1 and restart TritonAI Code?");
+    ).toContain("Install update 1.1.1 and restart TritonAI Harness?");
   });
 
   it("falls back to generic install confirmation copy when no version is available", () => {
@@ -222,7 +222,7 @@ describe("desktop update UI helpers", () => {
         availableVersion: null,
         downloadedVersion: null,
       }),
-    ).toContain("Install update and restart TritonAI Code?");
+    ).toContain("Install update and restart TritonAI Harness?");
   });
 });
 
diff --git a/apps/web/src/components/desktopUpdate.logic.ts b/apps/web/src/components/desktopUpdate.logic.ts
index ccaab1ce5d4..5e0b98fbe59 100644
--- a/apps/web/src/components/desktopUpdate.logic.ts
+++ b/apps/web/src/components/desktopUpdate.logic.ts
@@ -44,12 +44,12 @@ export function getArm64IntelBuildWarningDescription(state: DesktopUpdateState):
 
   const action = resolveDesktopUpdateButtonAction(state);
   if (action === "download") {
-    return "This Mac has Apple Silicon, but TritonAI Code is still running the Intel build under Rosetta. Download the available update to switch to the native Apple Silicon build.";
+    return "This Mac has Apple Silicon, but TritonAI Harness is still running the Intel build under Rosetta. Download the available update to switch to the native Apple Silicon build.";
   }
   if (action === "install") {
-    return "This Mac has Apple Silicon, but TritonAI Code is still running the Intel build under Rosetta. Restart to install the downloaded Apple Silicon build.";
+    return "This Mac has Apple Silicon, but TritonAI Harness is still running the Intel build under Rosetta. Restart to install the downloaded Apple Silicon build.";
   }
-  return "This Mac has Apple Silicon, but TritonAI Code is still running the Intel build under Rosetta. The next app update will replace it with the native Apple Silicon build.";
+  return "This Mac has Apple Silicon, but TritonAI Harness is still running the Intel build under Rosetta. The next app update will replace it with the native Apple Silicon build.";
 }
 
 export function getDesktopUpdateButtonTooltip(state: DesktopUpdateState): string {
@@ -80,7 +80,7 @@ export function getDesktopUpdateInstallConfirmationMessage(
   state: Pick<DesktopUpdateState, "availableVersion" | "downloadedVersion">,
 ): string {
   const version = state.downloadedVersion ?? state.availableVersion;
-  return `Install update${version ? ` ${version}` : ""} and restart TritonAI Code?\n\nAny running tasks will be interrupted. Make sure you're ready before continuing.`;
+  return `Install update${version ? ` ${version}` : ""} and restart TritonAI Harness?\n\nAny running tasks will be interrupted. Make sure you're ready before continuing.`;
 }
 
 export function getDesktopUpdateActionError(result: DesktopUpdateActionResult): string | null {
diff --git a/apps/web/src/components/preview/PreviewPanel.tsx b/apps/web/src/components/preview/PreviewPanel.tsx
index 92db1c2cd9b..a40ae64cf1d 100644
--- a/apps/web/src/components/preview/PreviewPanel.tsx
+++ b/apps/web/src/components/preview/PreviewPanel.tsx
@@ -21,7 +21,7 @@ export function PreviewPanel({ mode, threadRef, tabId, configuredUrls, visible }
       <PreviewPanelShell mode={mode}>
         <div className="flex min-h-0 flex-1 flex-col items-center justify-center gap-3 p-8 text-center">
           <p className="max-w-sm text-sm text-muted-foreground">
-            Preview is only available in the T3 Code desktop app.
+            Preview is only available in the TritonAI Harness desktop app.
           </p>
         </div>
       </PreviewPanelShell>
diff --git a/apps/web/src/components/settings/ConnectionsSettings.tsx b/apps/web/src/components/settings/ConnectionsSettings.tsx
index 13698b0e9f0..a66681aefb2 100644
--- a/apps/web/src/components/settings/ConnectionsSettings.tsx
+++ b/apps/web/src/components/settings/ConnectionsSettings.tsx
@@ -3035,8 +3035,8 @@ export function ConnectionsSettings() {
                 </AlertDialogTitle>
                 <AlertDialogDescription>
                   {pendingDesktopServerExposureMode === "network-accessible"
-                    ? "TritonAI Code will restart to expose this environment over the network."
-                    : "TritonAI Code will restart and limit this environment back to this machine."}
+                    ? "TritonAI Harness will restart to expose this environment over the network."
+                    : "TritonAI Harness will restart and limit this environment back to this machine."}
                 </AlertDialogDescription>
               </AlertDialogHeader>
               <AlertDialogFooter>
@@ -3080,7 +3080,7 @@ export function ConnectionsSettings() {
               <AlertDialogHeader>
                 <AlertDialogTitle>Disable Tailscale HTTPS?</AlertDialogTitle>
                 <AlertDialogDescription>
-                  TritonAI Code will restart the local backend without Tailscale Serve.
+                  TritonAI Harness will restart the local backend without Tailscale Serve.
                 </AlertDialogDescription>
               </AlertDialogHeader>
               <AlertDialogFooter>
@@ -3118,8 +3118,8 @@ export function ConnectionsSettings() {
               <DialogHeader>
                 <DialogTitle>Set up Tailscale HTTPS?</DialogTitle>
                 <DialogDescription>
-                  TritonAI Code will restart the local backend with Tailscale Serve enabled and ask
-                  Tailscale to proxy HTTPS traffic to this backend.
+                  TritonAI Harness will restart the local backend with Tailscale Serve enabled and
+                  ask Tailscale to proxy HTTPS traffic to this backend.
                 </DialogDescription>
               </DialogHeader>
               <DialogPanel className="space-y-4">
diff --git a/apps/web/src/components/settings/KeybindingsSettings.tsx b/apps/web/src/components/settings/KeybindingsSettings.tsx
index f80a2e96896..67498c8de83 100644
--- a/apps/web/src/components/settings/KeybindingsSettings.tsx
+++ b/apps/web/src/components/settings/KeybindingsSettings.tsx
@@ -246,8 +246,8 @@ function UnknownWhenVariableWarning({
         }
       />
       <TooltipPopup side="top" className="max-w-72 whitespace-normal leading-relaxed">
-        TritonAI Code does not recognize this condition yet. It can still be saved, but it may not
-        match unless the runtime provides it.
+        TritonAI Harness does not recognize this condition yet. It can still be saved, but it may
+        not match unless the runtime provides it.
       </TooltipPopup>
     </Tooltip>
   );
@@ -1238,8 +1238,8 @@ export function KeybindingsSettingsPanel() {
           <div className="flex items-start gap-2 border-b border-warning/20 bg-warning/5 px-3 py-2.5 text-[12px] leading-relaxed text-muted-foreground sm:px-4">
             <InfoIcon className="mt-0.5 size-3.5 shrink-0 text-warning" />
             <p>
-              Some shortcuts may be claimed by the browser before TritonAI Code sees them. Use the
-              desktop app for better keybinding support.
+              Some shortcuts may be claimed by the browser before TritonAI Harness sees them. Use
+              the desktop app for better keybinding support.
             </p>
           </div>
         ) : null}
diff --git a/apps/web/src/components/settings/SettingsPanels.browser.tsx b/apps/web/src/components/settings/SettingsPanels.browser.tsx
index 208749f2264..e8a20e47c12 100644
--- a/apps/web/src/components/settings/SettingsPanels.browser.tsx
+++ b/apps/web/src/components/settings/SettingsPanels.browser.tsx
@@ -1073,7 +1073,9 @@ describe("GeneralSettingsPanel observability", () => {
     await expect.element(page.getByText("Enable network access?")).toBeInTheDocument();
     await expect
       .element(
-        page.getByText("TritonAI Code will restart to expose this environment over the network."),
+        page.getByText(
+          "TritonAI Harness will restart to expose this environment over the network.",
+        ),
       )
       .toBeInTheDocument();
     await page.getByRole("button", { name: "Restart and enable", exact: true }).click();
diff --git a/apps/web/src/components/settings/SettingsPanels.tsx b/apps/web/src/components/settings/SettingsPanels.tsx
index 547da97c3a4..0ad0f7841f4 100644
--- a/apps/web/src/components/settings/SettingsPanels.tsx
+++ b/apps/web/src/components/settings/SettingsPanels.tsx
@@ -536,7 +536,7 @@ export function GeneralSettingsPanel() {
       <SettingsSection title="General">
         <SettingsRow
           title="Theme"
-          description="Choose how TritonAI Code looks across the app."
+          description="Choose how TritonAI Harness looks across the app."
           resetAction={
             theme !== DEFAULT_THEME ? (
               <SettingResetButton label="theme" onClick={() => setTheme(DEFAULT_THEME)} />
diff --git a/apps/web/src/components/settings/providerStatus.ts b/apps/web/src/components/settings/providerStatus.ts
index 57a604da09f..f5a7eb8cab2 100644
--- a/apps/web/src/components/settings/providerStatus.ts
+++ b/apps/web/src/components/settings/providerStatus.ts
@@ -40,7 +40,7 @@ export function getProviderSummary(provider: ServerProvider | undefined) {
       headline: "Disabled",
       detail:
         provider.message ??
-        "This provider is installed but disabled for new sessions in TritonAI Code.",
+        "This provider is installed but disabled for new sessions in TritonAI Harness.",
     };
   }
   if (!provider.installed) {
diff --git a/apps/web/src/firstRunOnboarding.test.ts b/apps/web/src/firstRunOnboarding.test.ts
index 07d6f2a458b..25ed361f4ab 100644
--- a/apps/web/src/firstRunOnboarding.test.ts
+++ b/apps/web/src/firstRunOnboarding.test.ts
@@ -13,9 +13,9 @@ import {
 } from "./firstRunOnboarding";
 
 describe("firstRunOnboarding", () => {
-  it("is scoped to the TritonAI Code brand", () => {
-    expect(isTritonAiCodeBrand("TritonAI Code")).toBe(true);
-    expect(isTritonAiCodeBrand("T3 Code")).toBe(false);
+  it("is scoped to the TritonAI Harness brand", () => {
+    expect(isTritonAiCodeBrand("TritonAI Harness")).toBe(true);
+    expect(isTritonAiCodeBrand("TritonAI Code")).toBe(false);
   });
 
   it("uses the installer-created TritonAI home workspace", () => {
diff --git a/apps/web/src/routes/_chat.tsx b/apps/web/src/routes/_chat.tsx
index f28c80f0128..f8ad2303b1e 100644
--- a/apps/web/src/routes/_chat.tsx
+++ b/apps/web/src/routes/_chat.tsx
@@ -102,7 +102,7 @@ function ChatRouteGlobalShortcuts() {
             stackedThreadToast({
               type: "info",
               title: "Preview is desktop-only",
-              description: "Open T3 Code in the desktop app to use the in-app preview.",
+              description: "Open TritonAI Harness in the desktop app to use the in-app preview.",
             }),
           );
           return;
diff --git a/apps/web/src/tritonAiWorkspace.ts b/apps/web/src/tritonAiWorkspace.ts
index 42907fe917a..c59a94eb76d 100644
--- a/apps/web/src/tritonAiWorkspace.ts
+++ b/apps/web/src/tritonAiWorkspace.ts
@@ -1,9 +1,9 @@
-export const TRITONAI_FIRST_RUN_PROMPT = "How does TritonAI Code work, and how can it help me?";
+export const TRITONAI_FIRST_RUN_PROMPT = "How does TritonAI Harness work, and how can it help me?";
 export const TRITONAI_FIRST_RUN_WORKSPACE = "~/TritonAI";
 export const TRITONAI_CHATS_WORKSPACE = "~/.agents/ucsd/state/tritonai-code/chats";
 export const TRITONAI_CHATS_PROJECT_TITLE = "Chats";
 
-const TRITONAI_APP_BASE_NAME = "TritonAI Code";
+const TRITONAI_APP_BASE_NAME = "TritonAI Harness";
 
 export function isTritonAiCodeBrand(appBaseName: string): boolean {
   return appBaseName.trim() === TRITONAI_APP_BASE_NAME;
diff --git a/apps/web/src/versionSkew.test.ts b/apps/web/src/versionSkew.test.ts
index 9cea141f50f..045057becf4 100644
--- a/apps/web/src/versionSkew.test.ts
+++ b/apps/web/src/versionSkew.test.ts
@@ -20,7 +20,7 @@ describe("versionSkew", () => {
     expect(resolveVersionMismatch("9.9.9")).toEqual({
       clientVersion: APP_VERSION,
       serverVersion: "9.9.9",
-      hint: "Version mismatch. Try syncing the client and server to the same TritonAI Code version.",
+      hint: "Version mismatch. Try syncing the client and server to the same TritonAI Harness version.",
     });
   });
 
@@ -72,7 +72,7 @@ describe("versionSkew", () => {
     const mismatch = resolveVersionMismatch("9.9.9");
 
     expect(appendVersionMismatchHint("Socket closed.", mismatch)).toBe(
-      "Socket closed. Hint: Version mismatch. Try syncing the client and server to the same TritonAI Code version.",
+      "Socket closed. Hint: Version mismatch. Try syncing the client and server to the same TritonAI Harness version.",
     );
   });
 });
diff --git a/apps/web/src/versionSkew.ts b/apps/web/src/versionSkew.ts
index d2d9c10c473..9d055a596ae 100644
--- a/apps/web/src/versionSkew.ts
+++ b/apps/web/src/versionSkew.ts
@@ -39,7 +39,7 @@ export function resolveVersionMismatch(
   return {
     clientVersion: normalizedClientVersion,
     serverVersion: normalizedServerVersion,
-    hint: "Version mismatch. Try syncing the client and server to the same TritonAI Code version.",
+    hint: "Version mismatch. Try syncing the client and server to the same TritonAI Harness version.",
   };
 }
 
diff --git a/docs/architecture/overview.md b/docs/architecture/overview.md
index ce5a0afe92a..18e8db66af9 100644
--- a/docs/architecture/overview.md
+++ b/docs/architecture/overview.md
@@ -1,6 +1,6 @@
 # Architecture
 
-T3 Code runs as a **Node.js WebSocket server** that wraps `codex app-server` (JSON-RPC over stdio) and serves a React web app.
+TritonAI Harness runs as a **Node.js WebSocket server** that wraps `codex app-server` (JSON-RPC over stdio) and serves a React web app.
 
 ```
 ┌─────────────────────────────────┐
diff --git a/docs/architecture/remote.md b/docs/architecture/remote.md
index 75274095a12..5bb92207907 100644
--- a/docs/architecture/remote.md
+++ b/docs/architecture/remote.md
@@ -1,6 +1,6 @@
 # Remote Architecture
 
-This document describes the target architecture for first-class remote environments in T3 Code.
+This document describes the target architecture for first-class remote environments in TritonAI Harness.
 
 It is intentionally architecture-first. It does not define a complete implementation plan or user-facing rollout checklist. The goal is to establish the core model so remote support can be added without another broad rewrite.
 
diff --git a/docs/architecture/runtime-modes.md b/docs/architecture/runtime-modes.md
index 956b242e1c1..1121d0cf564 100644
--- a/docs/architecture/runtime-modes.md
+++ b/docs/architecture/runtime-modes.md
@@ -1,6 +1,6 @@
 # Runtime modes
 
-T3 Code has a global runtime mode switch in the chat toolbar:
+TritonAI Harness has a global runtime mode switch in the chat toolbar:
 
 - **Full access** (default): starts sessions with `approvalPolicy: never` and `sandboxMode: danger-full-access`.
 - **Supervised**: starts sessions with `approvalPolicy: on-request` and `sandboxMode: workspace-write`, then prompts in-app for command/file approvals.
diff --git a/docs/cloud/t3-code-connect-auth-flow.html b/docs/cloud/t3-code-connect-auth-flow.html
index 038132ee5cb..b1d9cbcc5f0 100644
--- a/docs/cloud/t3-code-connect-auth-flow.html
+++ b/docs/cloud/t3-code-connect-auth-flow.html
@@ -353,7 +353,7 @@ <h2>Current Topology</h2>
 
   Clerk["Clerk<br/>user identity and OAuth"]
 
-  subgraph Relay["T3 Code Relay on Cloudflare"]
+  subgraph Relay["TritonAI Harness Relay on Cloudflare"]
     Worker["Relay Worker<br/>HTTP API"]
     Queue["APNs delivery queue<br/>with dead-letter queue"]
     Hyperdrive["Hyperdrive"]
diff --git a/docs/getting-started/codex-prerequisites.md b/docs/getting-started/codex-prerequisites.md
index 608374d5db9..c3855b4bed1 100644
--- a/docs/getting-started/codex-prerequisites.md
+++ b/docs/getting-started/codex-prerequisites.md
@@ -1,5 +1,5 @@
 # Codex prerequisites
 
 - Install Codex CLI so `codex` is on your PATH.
-- Authenticate Codex before running T3 Code (for example via API key or ChatGPT auth supported by Codex).
-- T3 Code starts the server via `codex app-server` per session.
+- Authenticate Codex before running TritonAI Harness (for example via API key or ChatGPT auth supported by Codex).
+- TritonAI Harness starts the server via `codex app-server` per session.
diff --git a/docs/integrations/source-control-providers.md b/docs/integrations/source-control-providers.md
index c496d5516a6..400bc6984ef 100644
--- a/docs/integrations/source-control-providers.md
+++ b/docs/integrations/source-control-providers.md
@@ -1,10 +1,10 @@
 # Source Control Integrations
 
-T3 Code connects directly to your Git hosting provider so you can create pull requests, review code, and manage repositories without leaving your editor. Work stays in flow—no more jumping between browser tabs and terminal windows.
+TritonAI Harness connects directly to your Git hosting provider so you can create pull requests, review code, and manage repositories without leaving your editor. Work stays in flow—no more jumping between browser tabs and terminal windows.
 
 ## Supported Providers
 
-T3 Code works with the platforms your team already uses:
+TritonAI Harness works with the platforms your team already uses:
 
 - **GitHub** – Pull requests, repository creation, and clone integration
 - **GitLab** – Merge requests, repository publishing, and hosted clones
@@ -32,7 +32,7 @@ T3 Code works with the platforms your team already uses:
 **Create pull requests while you work**
 
 - Push a branch and create a pull request from the Git panel
-- T3 Code can suggest titles and descriptions based on your commits
+- TritonAI Harness can suggest titles and descriptions based on your commits
 - Supports GitHub Pull Requests, GitLab Merge Requests, and Bitbucket Pull Requests
 
 **Stay on top of open reviews**
@@ -55,7 +55,7 @@ Run a quick **Rescan** after setting up a new machine or changing credentials.
 
 ### For GitHub (Recommended for most users)
 
-1. Install the GitHub CLI on the machine running T3 Code:
+1. Install the GitHub CLI on the machine running TritonAI Harness:
    ```bash
    brew install gh
    ```
@@ -63,7 +63,7 @@ Run a quick **Rescan** after setting up a new machine or changing credentials.
    ```bash
    gh auth login
    ```
-3. Open **Settings → Source Control** in T3 Code and verify GitHub shows as authenticated
+3. Open **Settings → Source Control** in TritonAI Harness and verify GitHub shows as authenticated
 
 That's it—you can now clone, publish, and create pull requests.
 
@@ -84,12 +84,12 @@ That's it—you can now clone, publish, and create pull requests.
 Bitbucket uses API tokens instead of a CLI tool:
 
 1. Create an API token in your Atlassian account with read/write access to pull requests and repositories
-2. Add these environment variables to the environment running T3 Code:
+2. Add these environment variables to the environment running TritonAI Harness:
    ```bash
    export T3CODE_BITBUCKET_EMAIL="you@example.com"
    export T3CODE_BITBUCKET_API_TOKEN="your-token"
    ```
-3. Restart T3 Code and verify the connection in **Source Control settings**
+3. Restart TritonAI Harness and verify the connection in **Source Control settings**
 
 ### For Azure DevOps
 
@@ -110,9 +110,9 @@ Bitbucket uses API tokens instead of a CLI tool:
 
 ## Requirements & Troubleshooting
 
-**Git is required** – T3 Code uses Git for all local operations. Ensure `git` is installed on your server.
+**Git is required** – TritonAI Harness uses Git for all local operations. Ensure `git` is installed on your server.
 
-**Server-side setup** – Authentication happens on the machine running T3 Code (the server), not your local browser. If you're using a hosted or team instance, your administrator may have already configured providers.
+**Server-side setup** – Authentication happens on the machine running TritonAI Harness (the server), not your local browser. If you're using a hosted or team instance, your administrator may have already configured providers.
 
 **Common issues:**
 
diff --git a/docs/operations/observability.md b/docs/operations/observability.md
index 5b98d1163ea..440cfc59c10 100644
--- a/docs/operations/observability.md
+++ b/docs/operations/observability.md
@@ -1,6 +1,6 @@
 # Observability
 
-T3 Code has one server-side observability model:
+TritonAI Harness has one server-side observability model:
 
 - pretty logs go to stdout for humans
 - completed spans go to a local NDJSON trace file
@@ -141,7 +141,7 @@ macOS app bundle example:
 T3CODE_OTLP_TRACES_URL=http://localhost:4318/v1/traces \
 T3CODE_OTLP_METRICS_URL=http://localhost:4318/v1/metrics \
 T3CODE_OTLP_SERVICE_NAME=t3-desktop \
-"/Applications/T3 Code.app/Contents/MacOS/T3 Code"
+"/Applications/TritonAI Harness.app/Contents/MacOS/TritonAI Harness"
 ```
 
 Direct binary example:
diff --git a/docs/providers/claude.md b/docs/providers/claude.md
index bbf72722cf1..7bdfdf4608a 100644
--- a/docs/providers/claude.md
+++ b/docs/providers/claude.md
@@ -1,6 +1,6 @@
 # Claude
 
-This guide is for people who want to use more than one Claude setup in T3 Code.
+This guide is for people who want to use more than one Claude setup in TritonAI Harness.
 
 Common reasons:
 
@@ -19,7 +19,7 @@ Log in with Claude Code normally:
 claude auth login
 ```
 
-In T3 Code Settings, your Claude provider can stay like this:
+In TritonAI Harness Settings, your Claude provider can stay like this:
 
 ```text
 Display name: Claude
@@ -27,7 +27,7 @@ Binary path: claude
 Claude HOME path: empty
 ```
 
-An empty `Claude HOME path` means T3 Code uses your normal home directory.
+An empty `Claude HOME path` means TritonAI Harness uses your normal home directory.
 
 ## I Want Work And Personal Claude Accounts
 
@@ -48,7 +48,7 @@ Log in normally:
 claude auth login
 ```
 
-In T3 Code Settings:
+In TritonAI Harness Settings:
 
 ```text
 Display name: Claude Work
@@ -65,7 +65,7 @@ mkdir -p ~/.claude_personal_home
 HOME=~/.claude_personal_home claude auth login
 ```
 
-Then add another Claude provider in T3 Code:
+Then add another Claude provider in TritonAI Harness:
 
 ```text
 Display name: Claude Personal
@@ -80,11 +80,11 @@ blurred by default; click the blurred email to reveal it.
 
 Usually, no.
 
-T3 Code only offers Claude providers that use the same Claude home for an existing thread. A
+TritonAI Harness only offers Claude providers that use the same Claude home for an existing thread. A
 different Claude home is treated as a different Claude environment.
 
 This is different from the recommended Codex setup. Claude Code keeps account and local state across
-multiple files under its home directory, so T3 Code keeps separate Claude homes isolated instead of
+multiple files under its home directory, so TritonAI Harness keeps separate Claude homes isolated instead of
 trying to share part of the state.
 
 ## I Want To Use OpenRouter
@@ -97,7 +97,7 @@ variables.
 
 ### Configure A Claude OpenRouter Provider
 
-Add or edit a Claude provider in T3 Code Settings:
+Add or edit a Claude provider in TritonAI Harness Settings:
 
 ```text
 Display name: Claude OpenRouter
@@ -113,7 +113,7 @@ ANTHROPIC_AUTH_TOKEN sk-or-...                Sensitive
 ANTHROPIC_API_KEY                              Empty value
 ```
 
-Mark `ANTHROPIC_AUTH_TOKEN` as sensitive. T3 Code stores the value as a server secret and does not
+Mark `ANTHROPIC_AUTH_TOKEN` as sensitive. TritonAI Harness stores the value as a server secret and does not
 send it back to the app after saving.
 
 If you want this setup isolated from your normal Claude account, create that home first:
@@ -172,7 +172,7 @@ OpenRouter's setup can change over time. Use its upstream Claude Code guide for
 Claude Code Router is useful when you want a local routing layer with more control than a direct
 OpenRouter setup.
 
-T3 Code does not need a special Claude Code Router provider. Treat the router as a Claude
+TritonAI Harness does not need a special Claude Code Router provider. Treat the router as a Claude
 environment.
 
 Use this when you want Claude Code Router to decide which upstream model or provider handles Claude
@@ -181,7 +181,7 @@ requests.
 High-level flow:
 
 1. Start Claude Code Router.
-2. Add or configure a Claude provider in T3 Code.
+2. Add or configure a Claude provider in TritonAI Harness.
 3. Put the router's required variables on that provider instance.
 
 Configure a Claude provider:
diff --git a/docs/providers/codex.md b/docs/providers/codex.md
index cc9e84e484a..492c30d72c2 100644
--- a/docs/providers/codex.md
+++ b/docs/providers/codex.md
@@ -1,6 +1,6 @@
 # Codex
 
-This guide is for people who want to use more than one Codex account in T3 Code.
+This guide is for people who want to use more than one Codex account in TritonAI Harness.
 
 Common reasons:
 
@@ -54,7 +54,7 @@ codex login
 
 This is the account used by `~/.codex`.
 
-In T3 Code Settings, name it something obvious:
+In TritonAI Harness Settings, name it something obvious:
 
 ```text
 Display name: Codex Work
@@ -71,7 +71,7 @@ mkdir -p ~/.codex_p
 CODEX_HOME=~/.codex_p codex login
 ```
 
-In T3 Code Settings, add another Codex provider:
+In TritonAI Harness Settings, add another Codex provider:
 
 ```text
 Display name: Codex Personal
@@ -86,7 +86,7 @@ has a `Shadow home path`.
 
 Open Settings and look at the provider row.
 
-T3 Code shows the authenticated email for providers that report one. Emails are blurred by default;
+TritonAI Harness shows the authenticated email for providers that report one. Emails are blurred by default;
 click the blurred email to reveal it.
 
 Use display names and accent colors to make accounts easy to tell apart in the model picker.
@@ -113,7 +113,7 @@ Codex Personal  CODEX_HOME path: ~/.codex, Shadow home path: ~/.codex_p
 Those two providers are considered compatible for continuation, so the locked model picker can show
 both.
 
-If you add a third Codex provider with a completely different `CODEX_HOME path`, T3 Code treats it
+If you add a third Codex provider with a completely different `CODEX_HOME path`, TritonAI Harness treats it
 as a different workspace. It will not be offered for existing threads created under `~/.codex`.
 
 ## If Both Accounts Look The Same
diff --git a/docs/reference/encyclopedia.md b/docs/reference/encyclopedia.md
index 76df004e044..2470bc9ba6e 100644
--- a/docs/reference/encyclopedia.md
+++ b/docs/reference/encyclopedia.md
@@ -1,6 +1,6 @@
 # Encyclopedia
 
-This is a living glossary for T3 Code. It explains what common terms mean in this codebase.
+This is a living glossary for TritonAI Harness. It explains what common terms mean in this codebase.
 
 ## Table of contents
 
diff --git a/docs/user/keybindings.md b/docs/user/keybindings.md
index 254aa92c6a0..0d6b2434fac 100644
--- a/docs/user/keybindings.md
+++ b/docs/user/keybindings.md
@@ -1,6 +1,6 @@
 # Keybindings
 
-T3 Code reads keybindings from:
+TritonAI Harness reads keybindings from:
 
 - `~/.t3/keybindings.json`
 
diff --git a/docs/user/remote-access.md b/docs/user/remote-access.md
index 56510e62890..1d06df05a43 100644
--- a/docs/user/remote-access.md
+++ b/docs/user/remote-access.md
@@ -1,6 +1,6 @@
 # Remote Access
 
-Use this when you want to connect to a T3 Code server from another device such as a phone, tablet, or separate desktop app.
+Use this when you want to connect to a TritonAI Harness server from another device such as a phone, tablet, or separate desktop app.
 
 ## Recommended Setup
 
@@ -103,7 +103,7 @@ npx t3 serve --tailscale-serve --tailscale-serve-port 8443
 
 ### Option 3: Desktop-Managed SSH Launch
 
-Use this when you want the desktop app to start or reuse T3 Code on another machine over SSH.
+Use this when you want the desktop app to start or reuse TritonAI Harness on another machine over SSH.
 
 1. Open **Settings** → **Connections**.
 2. Under **Remote Environments**, choose **Add environment**.
@@ -119,13 +119,13 @@ SSH launch is a desktop feature because it needs local process and SSH access. O
 
 The desktop SSH launcher connects with a non-interactive `sh` session, writes a small launcher script under `~/.t3/ssh-launch/<host-key>/`, starts or reuses a remote T3 server, and forwards the remote loopback port back to your desktop.
 
-The remote host must have a compatible Node.js runtime. T3 Code uses the server package's `engines.node` requirement:
+The remote host must have a compatible Node.js runtime. TritonAI Harness uses the server package's `engines.node` requirement:
 
 ```text
 ^22.16 || ^23.11 || >=24.10
 ```
 
-During SSH launch, T3 Code first checks whether `node` is already available on `PATH`. If it is missing, the launcher tries common non-interactive shell locations and version-manager shims/activation hooks:
+During SSH launch, TritonAI Harness first checks whether `node` is already available on `PATH`. If it is missing, the launcher tries common non-interactive shell locations and version-manager shims/activation hooks:
 
 - `~/.local/bin`, `~/bin`, `/opt/homebrew/bin`, `/usr/local/bin`, `/usr/bin`, `/bin`
 - Volta via `~/.volta/bin`
@@ -136,7 +136,7 @@ During SSH launch, T3 Code first checks whether `node` is already available on `
 - nvm via `$NVM_DIR/nvm.sh`, then `nvm use default`, `nvm use node`, or `nvm use --lts`
 - installed nvm versions under `$NVM_DIR/versions/node/*/bin`
 
-If launch fails with `node: command not found`, a port-scan failure, or a message that the remote Node version does not satisfy the required range, SSH into the host and check the same non-interactive shell path T3 Code uses:
+If launch fails with `node: command not found`, a port-scan failure, or a message that the remote Node version does not satisfy the required range, SSH into the host and check the same non-interactive shell path TritonAI Harness uses:
 
 ```bash
 ssh user@example.com 'sh -lc "command -v node && node --version"'
@@ -176,7 +176,7 @@ Use hosted pairing when the backend is reachable from the browser over HTTPS/WSS
 
 Do not use hosted pairing for plain HTTP LAN URLs such as `http://192.168.x.y:3773`. Browsers block an HTTPS page from connecting to an insecure HTTP or WS backend. For those endpoints, use the direct pairing URL shown by the desktop app or CLI from a client that can open that HTTP URL directly.
 
-Hosted pairing does not proxy traffic through T3 Code. The browser still connects directly to the backend URL in the pairing link.
+Hosted pairing does not proxy traffic through TritonAI Harness. The browser still connects directly to the backend URL in the pairing link.
 
 ## Managing Access Later
 
diff --git a/infra/relay/README.md b/infra/relay/README.md
index 697fa30cac0..69059cef322 100644
--- a/infra/relay/README.md
+++ b/infra/relay/README.md
@@ -7,7 +7,7 @@ The relay is the hosted control plane for T3 Connect. It helps clients discover
 remote environments, manages the cloud-side records needed for those connections, and delivers
 optional mobile notifications and Live Activities.
 
-The relay is intentionally not in the hot path for normal T3 Code traffic. After a client connects,
+The relay is intentionally not in the hot path for normal TritonAI Harness traffic. After a client connects,
 regular API and WebSocket traffic goes directly between that client and the selected environment.
 See the [T3 Connect architecture overview](../../docs/cloud/t3-code-connect-auth-flow.html) for the larger system
 design.
@@ -16,7 +16,7 @@ design.
 
 The relay currently owns:
 
-- Linking T3 Code environments to a cloud account.
+- Linking TritonAI Harness environments to a cloud account.
 - Provisioning and tracking managed environment endpoints.
 - Issuing short-lived credentials used to connect clients to linked environments.
 - Listing linked environments and registered mobile devices for an account.
diff --git a/infra/relay/scripts/deploy.ts b/infra/relay/scripts/deploy.ts
index 2ef82ec4ffa..abc9949f20f 100644
--- a/infra/relay/scripts/deploy.ts
+++ b/infra/relay/scripts/deploy.ts
@@ -428,7 +428,7 @@ export const relayDeployCommand = Command.make(
     ),
   },
   deploy,
-).pipe(Command.withDescription("Deploy the T3 Code relay through Alchemy."));
+).pipe(Command.withDescription("Deploy the TritonAI Harness relay through Alchemy."));
 
 if (import.meta.main) {
   Command.run(relayDeployCommand, { version: "0.0.0" }).pipe(
diff --git a/infra/relay/src/agentActivity/AgentActivityPublisher.ts b/infra/relay/src/agentActivity/AgentActivityPublisher.ts
index 0f5ddc32137..5475c7dd74a 100644
--- a/infra/relay/src/agentActivity/AgentActivityPublisher.ts
+++ b/infra/relay/src/agentActivity/AgentActivityPublisher.ts
@@ -204,7 +204,7 @@ function aggregateRowForState(state: RelayAgentActivityState) {
 
 function terminalAggregateState(state: RelayAgentActivityState): RelayAgentActivityAggregateState {
   return sanitizeAgentActivityAggregateState({
-    title: "T3 Code",
+    title: "TritonAI Harness",
     subtitle: state.phase === "failed" ? "Agent work failed" : "Agent work completed",
     activeCount: 0,
     updatedAt: state.updatedAt,
@@ -224,7 +224,7 @@ function makeAggregateState(input: {
     state.updatedAt.localeCompare(latest.updatedAt) > 0 ? state : latest,
   ).updatedAt;
   return sanitizeAgentActivityAggregateState({
-    title: "T3 Code",
+    title: "TritonAI Harness",
     subtitle: "Agent work in progress",
     activeCount: activeStates.length,
     updatedAt,
diff --git a/infra/relay/src/agentActivity/ApnsClient.test.ts b/infra/relay/src/agentActivity/ApnsClient.test.ts
index 1d327aa945b..c7a26793962 100644
--- a/infra/relay/src/agentActivity/ApnsClient.test.ts
+++ b/infra/relay/src/agentActivity/ApnsClient.test.ts
@@ -20,7 +20,7 @@ const TestLayer = ApnsClient.layer.pipe(
 describe("ApnsClient", () => {
   const now = DateTime.makeUnsafe(0);
   const state: RelayAgentActivityAggregateState = {
-    title: "T3 Code",
+    title: "TritonAI Harness",
     subtitle: "Agent work in progress",
     activeCount: 1,
     updatedAt: DateTime.formatIso(now),
diff --git a/infra/relay/src/agentActivity/ApnsDeliveries.test.ts b/infra/relay/src/agentActivity/ApnsDeliveries.test.ts
index 0dfee1fb0cd..76841c8dafa 100644
--- a/infra/relay/src/agentActivity/ApnsDeliveries.test.ts
+++ b/infra/relay/src/agentActivity/ApnsDeliveries.test.ts
@@ -73,7 +73,7 @@ const state: RelayAgentActivityState = {
 };
 
 const aggregate: RelayAgentActivityAggregateState = {
-  title: "T3 Code",
+  title: "TritonAI Harness",
   subtitle: "Agent work in progress",
   activeCount: 1,
   updatedAt: state.updatedAt,
diff --git a/infra/relay/src/agentActivity/LiveActivities.test.ts b/infra/relay/src/agentActivity/LiveActivities.test.ts
index 19a1179b305..65e589d10b8 100644
--- a/infra/relay/src/agentActivity/LiveActivities.test.ts
+++ b/infra/relay/src/agentActivity/LiveActivities.test.ts
@@ -13,7 +13,7 @@ import { relayLiveActivities } from "../persistence/schema.ts";
 import * as LiveActivities from "./LiveActivities.ts";
 
 const aggregate: RelayAgentActivityAggregateState = {
-  title: "T3 Code",
+  title: "TritonAI Harness",
   subtitle: "Agent work in progress",
   activeCount: 1,
   updatedAt: "2026-05-25T00:00:00.000Z",
diff --git a/infra/relay/src/agentActivity/MobileRegistrations.test.ts b/infra/relay/src/agentActivity/MobileRegistrations.test.ts
index 74cf905523b..0295ec56ccf 100644
--- a/infra/relay/src/agentActivity/MobileRegistrations.test.ts
+++ b/infra/relay/src/agentActivity/MobileRegistrations.test.ts
@@ -444,7 +444,7 @@ describe("MobileRegistrations", () => {
             token: "push-to-start-token",
           },
           aggregate: {
-            title: "T3 Code",
+            title: "TritonAI Harness",
             subtitle: "Agent work in progress",
             activeCount: 1,
             activities: [
diff --git a/infra/relay/src/agentActivity/apnsDeliveryJobs.test.ts b/infra/relay/src/agentActivity/apnsDeliveryJobs.test.ts
index 428dc3a82b6..68a81351fe3 100644
--- a/infra/relay/src/agentActivity/apnsDeliveryJobs.test.ts
+++ b/infra/relay/src/agentActivity/apnsDeliveryJobs.test.ts
@@ -11,7 +11,7 @@ import {
 
 const secret = Redacted.make("queue-signing-secret");
 const aggregate: RelayAgentActivityAggregateState = {
-  title: "T3 Code",
+  title: "TritonAI Harness",
   subtitle: "Agent work in progress",
   activeCount: 1,
   updatedAt: "2026-05-25T00:00:00.000Z",
diff --git a/infra/relay/src/observability.ts b/infra/relay/src/observability.ts
index e0a79599cf5..c36cea425e7 100644
--- a/infra/relay/src/observability.ts
+++ b/infra/relay/src/observability.ts
@@ -29,7 +29,7 @@ export const RelayObservability = Effect.gen(function* () {
   const traces = yield* Axiom.Dataset("RelayTracesDataset", {
     name: relayResourceNameForStage("t3-code-relay-traces", stage),
     kind: "otel:traces:v1",
-    description: "T3 Code relay Worker HTTP request spans.",
+    description: "TritonAI Harness relay Worker HTTP request spans.",
     retentionDays: 30,
     useRetentionPeriod: true,
   });
@@ -44,7 +44,7 @@ export const RelayObservability = Effect.gen(function* () {
 
   const mobileIngestToken = yield* Axiom.ApiToken("RelayMobileAxiomIngestToken", {
     name: relayResourceNameForStage("t3-code-mobile-otel-ingest", stage),
-    description: "Owned by Alchemy. Scoped OTLP ingest token for T3 Code mobile spans.",
+    description: "Owned by Alchemy. Scoped OTLP ingest token for TritonAI Harness mobile spans.",
     datasetCapabilities: Output.map(traces.name, (dataset) => ({
       [dataset]: { ingest: ["create" as const] },
     })),
diff --git a/infra/skills-catalog/README.md b/infra/skills-catalog/README.md
index b1c9df3b784..46f12beda94 100644
--- a/infra/skills-catalog/README.md
+++ b/infra/skills-catalog/README.md
@@ -1,6 +1,6 @@
 # UCSD Skills Catalog
 
-Temporary Cloudflare Pages/static catalog for TritonAI Code skills.
+Temporary Cloudflare Pages/static catalog for TritonAI Harness skills.
 
 ## Shape
 
diff --git a/packages/client-runtime/src/remote.test.ts b/packages/client-runtime/src/remote.test.ts
index c20832bd37e..ffe143652a7 100644
--- a/packages/client-runtime/src/remote.test.ts
+++ b/packages/client-runtime/src/remote.test.ts
@@ -147,7 +147,7 @@ describe("remote", () => {
         credential: "one-time-credential",
         dpopProof: "token-proof",
         clientMetadata: {
-          label: "T3 Code Mobile",
+          label: "TritonAI Harness Mobile",
           deviceType: "mobile",
           os: "iOS",
         },
@@ -162,7 +162,7 @@ describe("remote", () => {
         url: "https://remote.example.com/oauth/token",
         method: "POST",
         headers: { dpop: "token-proof", "content-type": "application/x-www-form-urlencoded" },
-        body: "grant_type=urn%3Aietf%3Aparams%3Aoauth%3Agrant-type%3Atoken-exchange&subject_token=one-time-credential&subject_token_type=urn%3At3%3Aparams%3Aoauth%3Atoken-type%3Aenvironment-bootstrap&requested_token_type=urn%3Aietf%3Aparams%3Aoauth%3Atoken-type%3Aaccess_token&client_label=T3+Code+Mobile&client_device_type=mobile&client_os=iOS",
+        body: "grant_type=urn%3Aietf%3Aparams%3Aoauth%3Agrant-type%3Atoken-exchange&subject_token=one-time-credential&subject_token_type=urn%3At3%3Aparams%3Aoauth%3Atoken-type%3Aenvironment-bootstrap&requested_token_type=urn%3Aietf%3Aparams%3Aoauth%3Atoken-type%3Aaccess_token&client_label=TritonAI+Harness+Mobile&client_device_type=mobile&client_os=iOS",
       });
       expectFetchCall(fetch.calls, 2, {
         url: "https://remote.example.com/api/auth/websocket-ticket",
@@ -195,7 +195,7 @@ describe("remote", () => {
         httpBaseUrl: "https://remote.example.com/",
         credential: "pairing-token",
         clientMetadata: {
-          label: "T3 Code Mobile",
+          label: "TritonAI Harness Mobile",
           deviceType: "mobile",
           os: "iOS",
         },
@@ -204,7 +204,7 @@ describe("remote", () => {
       expectFetchCall(fetch.calls, 1, {
         url: "https://remote.example.com/oauth/token",
         method: "POST",
-        body: "grant_type=urn%3Aietf%3Aparams%3Aoauth%3Agrant-type%3Atoken-exchange&subject_token=pairing-token&subject_token_type=urn%3At3%3Aparams%3Aoauth%3Atoken-type%3Aenvironment-bootstrap&requested_token_type=urn%3Aietf%3Aparams%3Aoauth%3Atoken-type%3Aaccess_token&client_label=T3+Code+Mobile&client_device_type=mobile&client_os=iOS",
+        body: "grant_type=urn%3Aietf%3Aparams%3Aoauth%3Agrant-type%3Atoken-exchange&subject_token=pairing-token&subject_token_type=urn%3At3%3Aparams%3Aoauth%3Atoken-type%3Aenvironment-bootstrap&requested_token_type=urn%3Aietf%3Aparams%3Aoauth%3Atoken-type%3Aaccess_token&client_label=TritonAI+Harness+Mobile&client_device_type=mobile&client_os=iOS",
       });
     }),
   );
diff --git a/packages/client-runtime/src/threadDetailReducer.test.ts b/packages/client-runtime/src/threadDetailReducer.test.ts
index f2af7284083..a1461c4e017 100644
--- a/packages/client-runtime/src/threadDetailReducer.test.ts
+++ b/packages/client-runtime/src/threadDetailReducer.test.ts
@@ -54,7 +54,7 @@ describe("applyThreadDetailEvent", () => {
         type: "project.created",
         payload: {
           projectId: ProjectId.make("project-1"),
-          title: "T3 Code",
+          title: "TritonAI Harness",
           workspaceRoot: "/repo",
           repositoryIdentity: null,
           defaultModelSelection: null,
diff --git a/packages/contracts/src/relay.ts b/packages/contracts/src/relay.ts
index 5c8cc1ad001..88012461872 100644
--- a/packages/contracts/src/relay.ts
+++ b/packages/contracts/src/relay.ts
@@ -1006,7 +1006,7 @@ export const RelayApi = HttpApi.make("RelayApi")
     RelayDpopClientGroup,
     RelayServerGroup,
   )
-  .annotate(OpenApi.Title, "T3 Code Relay API")
+  .annotate(OpenApi.Title, "TritonAI Harness Relay API")
   .annotate(OpenApi.Version, "1.0.0")
   .annotate(
     OpenApi.Description,
diff --git a/packages/contracts/src/settings.ts b/packages/contracts/src/settings.ts
index 2f03b23cb4d..f3d7206a183 100644
--- a/packages/contracts/src/settings.ts
+++ b/packages/contracts/src/settings.ts
@@ -348,7 +348,7 @@ export const OpenCodeSettings = makeProviderSettingsSchema(
       Schema.withDecodingDefault(Effect.succeed("")),
       Schema.annotateKey({
         title: "Server URL",
-        description: "Leave blank to let TritonAI Code spawn the server when needed.",
+        description: "Leave blank to let TritonAI Harness spawn the server when needed.",
         providerSettingsForm: {
           placeholder: "http://127.0.0.1:4096",
           clearWhenEmpty: "omit",
diff --git a/packages/shared/src/relayClient.ts b/packages/shared/src/relayClient.ts
index 0a56e45191c..0b39ebef04e 100644
--- a/packages/shared/src/relayClient.ts
+++ b/packages/shared/src/relayClient.ts
@@ -368,7 +368,7 @@ export const makeCloudflaredRelayClient = Effect.fn("cloudflared.make")(function
     if (!releaseAsset) {
       return yield* new RelayClientInstallError({
         reason: "unsupported_platform",
-        message: `T3 Code does not provide a managed relay client binary for ${platform}-${arch}.`,
+        message: `TritonAI Harness does not provide a managed relay client binary for ${platform}-${arch}.`,
       });
     }
 
diff --git a/packages/ssh/src/auth.ts b/packages/ssh/src/auth.ts
index 180689e10df..d7f73d82891 100644
--- a/packages/ssh/src/auth.ts
+++ b/packages/ssh/src/auth.ts
@@ -72,14 +72,14 @@ function joinSshAskpassPath(
 }
 
 export const ASKPASS_POSIX_SCRIPT = `#!/bin/sh
-# Invoked by ssh via SSH_ASKPASS when TritonAI Code re-runs ssh with a cached password
+# Invoked by ssh via SSH_ASKPASS when TritonAI Harness re-runs ssh with a cached password
 # from the renderer's in-app prompt. We never expose a native dialog here - if
 # T3_SSH_AUTH_SECRET is missing, that's a caller bug and we fail loudly.
 if [ "\${T3_SSH_AUTH_SECRET+x}" = "x" ]; then
   printf "%s\\n" "$T3_SSH_AUTH_SECRET"
   exit 0
 fi
-printf 'TritonAI Code ssh-askpass invoked without T3_SSH_AUTH_SECRET.\\n' >&2
+printf 'TritonAI Harness ssh-askpass invoked without T3_SSH_AUTH_SECRET.\\n' >&2
 exit 1
 `;
 
@@ -87,7 +87,7 @@ export const ASKPASS_WINDOWS_LAUNCHER_SCRIPT = `@echo off\r
 powershell -NoProfile -ExecutionPolicy Bypass -File "%~dp0ssh-askpass.ps1" %*\r
 `;
 
-export const ASKPASS_WINDOWS_SCRIPT = `# Invoked by ssh via SSH_ASKPASS (through ssh-askpass.cmd) when TritonAI Code re-runs\r
+export const ASKPASS_WINDOWS_SCRIPT = `# Invoked by ssh via SSH_ASKPASS (through ssh-askpass.cmd) when TritonAI Harness re-runs\r
 # ssh with a cached password from the renderer's in-app prompt. We never expose\r
 # a native dialog here - if T3_SSH_AUTH_SECRET is missing, that's a caller bug\r
 # and we fail loudly.\r
@@ -95,7 +95,7 @@ if ($null -ne $env:T3_SSH_AUTH_SECRET) {\r
   [Console]::Out.WriteLine($env:T3_SSH_AUTH_SECRET)\r
   exit 0\r
 }\r
-[Console]::Error.WriteLine("TritonAI Code ssh-askpass invoked without T3_SSH_AUTH_SECRET.")\r
+[Console]::Error.WriteLine("TritonAI Harness ssh-askpass invoked without T3_SSH_AUTH_SECRET.")\r
 exit 1\r
 `;
 
diff --git a/scripts/build-desktop-artifact.test.ts b/scripts/build-desktop-artifact.test.ts
index 5008a9a32bd..12ba6fe0262 100644
--- a/scripts/build-desktop-artifact.test.ts
+++ b/scripts/build-desktop-artifact.test.ts
@@ -30,10 +30,10 @@ it.layer(NodeServices.layer)("build-desktop-artifact", (it) => {
   });
 
   it("switches desktop packaging product names to nightly for nightly builds", () => {
-    assert.equal(resolveDesktopProductName("0.0.17"), "TritonAI Code");
+    assert.equal(resolveDesktopProductName("0.0.17"), "TritonAI Harness");
     assert.equal(
       resolveDesktopProductName("0.0.17-nightly.20260413.42"),
-      "TritonAI Code (Nightly)",
+      "TritonAI Harness (Nightly)",
     );
   });
 
diff --git a/scripts/build-desktop-artifact.ts b/scripts/build-desktop-artifact.ts
index 691d1e9b611..9f651ebdb9e 100644
--- a/scripts/build-desktop-artifact.ts
+++ b/scripts/build-desktop-artifact.ts
@@ -51,7 +51,7 @@ const RepoRoot = Effect.service(Path.Path).pipe(
 const encodeJsonString = Schema.encodeEffect(Schema.UnknownFromJsonString);
 const decodeWorkspaceConfig = Schema.decodeEffect(fromYaml(WorkspaceConfig));
 const encodeStageWorkspaceConfig = Schema.encodeEffect(fromYaml(StageWorkspaceConfig));
-const TRITONAI_DESKTOP_PACKAGE_NAME = "tritonai-code";
+const TRITONAI_DESKTOP_PACKAGE_NAME = "tritonai-harness";
 const TRITONAI_DESKTOP_APP_ID = "edu.ucsd.ai.tritonai-code";
 const DEFAULT_DESKTOP_UPDATE_REPOSITORY = "dbalders/t3code";
 
@@ -738,8 +738,8 @@ export function resolveMockUpdateServerUrl(mockUpdateServerPort: number | undefi
 
 export function resolveDesktopProductName(version: string): string {
   return resolveDesktopUpdateChannel(version) === "nightly"
-    ? "TritonAI Code (Nightly)"
-    : (desktopPackageJson.productName ?? "TritonAI Code");
+    ? "TritonAI Harness (Nightly)"
+    : (desktopPackageJson.productName ?? "TritonAI Harness");
 }
 
 const createBuildConfig = Effect.fn("createBuildConfig")(function* (
@@ -753,7 +753,7 @@ const createBuildConfig = Effect.fn("createBuildConfig")(function* (
   const buildConfig: Record<string, unknown> = {
     appId: TRITONAI_DESKTOP_APP_ID,
     productName: resolveDesktopProductName(version),
-    artifactName: "T3-Code-${version}-${arch}.${ext}",
+    artifactName: "TritonAI-Harness-${version}-${arch}.${ext}",
     asarUnpack: [...DESKTOP_ASAR_UNPACK],
     directories: {
       buildResources: "apps/desktop/resources",
@@ -779,7 +779,7 @@ const createBuildConfig = Effect.fn("createBuildConfig")(function* (
       category: "public.app-category.developer-tools",
       protocols: [
         {
-          name: "TritonAI Code",
+          name: "TritonAI Harness",
           schemes: ["t3code"],
         },
       ],
@@ -976,7 +976,7 @@ const buildDesktopArtifact = Effect.fn("buildDesktopArtifact")(function* (
     t3codeCommitHash: commitHash,
     private: true,
     packageManager: rootPackageJson.packageManager,
-    description: "TritonAI Code desktop build",
+    description: "TritonAI Harness desktop build",
     author: "T3 Tools",
     main: "apps/desktop/dist-electron/main.cjs",
     build: yield* createBuildConfig(
@@ -1168,7 +1168,7 @@ const buildDesktopArtifactCli = Command.make("build-desktop-artifact", {
     Flag.optional,
   ),
 }).pipe(
-  Command.withDescription("Build a desktop artifact for TritonAI Code."),
+  Command.withDescription("Build a desktop artifact for TritonAI Harness."),
   Command.withHandler((input) => Effect.flatMap(resolveBuildOptions(input), buildDesktopArtifact)),
 );
 
diff --git a/scripts/dev-runner.ts b/scripts/dev-runner.ts
index d26281f3ceb..8b138a94dc6 100644
--- a/scripts/dev-runner.ts
+++ b/scripts/dev-runner.ts
@@ -490,7 +490,9 @@ const devRunnerCli = Command.make("dev-runner", {
     Argument.withDescription("Development mode to run."),
   ),
   t3Home: Flag.string("home-dir").pipe(
-    Flag.withDescription("Base directory for all TritonAI Code data (equivalent to T3CODE_HOME)."),
+    Flag.withDescription(
+      "Base directory for all TritonAI Harness data (equivalent to T3CODE_HOME).",
+    ),
     Flag.withFallbackConfig(optionalStringConfig("T3CODE_HOME")),
   ),
   noBrowser: Flag.boolean("no-browser").pipe(
diff --git a/scripts/merge-update-manifests.test.ts b/scripts/merge-update-manifests.test.ts
index 32431b81d33..5cc603892dd 100644
--- a/scripts/merge-update-manifests.test.ts
+++ b/scripts/merge-update-manifests.test.ts
@@ -20,13 +20,13 @@ describe("merge-update-manifests", () => {
       "mac",
       `version: 0.0.4
 files:
-  - url: T3-Code-0.0.4-arm64.zip
+  - url: TritonAI-Harness-0.0.4-arm64.zip
     sha512: arm64zip
     size: 125621344
-  - url: T3-Code-0.0.4-arm64.dmg
+  - url: TritonAI-Harness-0.0.4-arm64.dmg
     sha512: arm64dmg
     size: 131754935
-path: T3-Code-0.0.4-arm64.zip
+path: TritonAI-Harness-0.0.4-arm64.zip
 sha512: arm64zip
 releaseDate: '2026-03-07T10:32:14.587Z'
 `,
@@ -37,13 +37,13 @@ releaseDate: '2026-03-07T10:32:14.587Z'
       "mac",
       `version: 0.0.4
 files:
-  - url: T3-Code-0.0.4-x64.zip
+  - url: TritonAI-Harness-0.0.4-x64.zip
     sha512: x64zip
     size: 132000112
-  - url: T3-Code-0.0.4-x64.dmg
+  - url: TritonAI-Harness-0.0.4-x64.dmg
     sha512: x64dmg
     size: 138148807
-path: T3-Code-0.0.4-x64.zip
+path: TritonAI-Harness-0.0.4-x64.zip
 sha512: x64zip
 releaseDate: '2026-03-07T10:36:07.540Z'
 `,
@@ -57,10 +57,10 @@ releaseDate: '2026-03-07T10:36:07.540Z'
     assert.deepStrictEqual(
       merged.files.map((file) => file.url),
       [
-        "T3-Code-0.0.4-arm64.zip",
-        "T3-Code-0.0.4-arm64.dmg",
-        "T3-Code-0.0.4-x64.zip",
-        "T3-Code-0.0.4-x64.dmg",
+        "TritonAI-Harness-0.0.4-arm64.zip",
+        "TritonAI-Harness-0.0.4-arm64.dmg",
+        "TritonAI-Harness-0.0.4-x64.zip",
+        "TritonAI-Harness-0.0.4-x64.dmg",
       ],
     );
 
@@ -74,13 +74,13 @@ releaseDate: '2026-03-07T10:36:07.540Z'
       "win",
       `version: 0.0.4
 files:
-  - url: T3-Code-0.0.4-arm64.exe
+  - url: TritonAI-Harness-0.0.4-arm64.exe
     sha512: arm64exe
     size: 125621344
-  - url: T3-Code-0.0.4-arm64.exe.blockmap
+  - url: TritonAI-Harness-0.0.4-arm64.exe.blockmap
     sha512: arm64blockmap
     size: 131754
-path: T3-Code-0.0.4-arm64.exe
+path: TritonAI-Harness-0.0.4-arm64.exe
 sha512: arm64exe
 releaseDate: '2026-03-07T10:32:14.587Z'
 `,
@@ -91,13 +91,13 @@ releaseDate: '2026-03-07T10:32:14.587Z'
       "win",
       `version: 0.0.4
 files:
-  - url: T3-Code-0.0.4-x64.exe
+  - url: TritonAI-Harness-0.0.4-x64.exe
     sha512: x64exe
     size: 132000112
-  - url: T3-Code-0.0.4-x64.exe.blockmap
+  - url: TritonAI-Harness-0.0.4-x64.exe.blockmap
     sha512: x64blockmap
     size: 138148
-path: T3-Code-0.0.4-x64.exe
+path: TritonAI-Harness-0.0.4-x64.exe
 sha512: x64exe
 releaseDate: '2026-03-07T10:36:07.540Z'
 `,
@@ -111,10 +111,10 @@ releaseDate: '2026-03-07T10:36:07.540Z'
     assert.deepStrictEqual(
       merged.files.map((file) => file.url),
       [
-        "T3-Code-0.0.4-arm64.exe",
-        "T3-Code-0.0.4-arm64.exe.blockmap",
-        "T3-Code-0.0.4-x64.exe",
-        "T3-Code-0.0.4-x64.exe.blockmap",
+        "TritonAI-Harness-0.0.4-arm64.exe",
+        "TritonAI-Harness-0.0.4-arm64.exe.blockmap",
+        "TritonAI-Harness-0.0.4-x64.exe",
+        "TritonAI-Harness-0.0.4-x64.exe.blockmap",
       ],
     );
 
@@ -128,7 +128,7 @@ releaseDate: '2026-03-07T10:36:07.540Z'
       "win",
       `version: 0.0.4
 files:
-  - url: T3-Code-0.0.4-arm64.exe
+  - url: TritonAI-Harness-0.0.4-arm64.exe
     sha512: arm64exe
     size: 1
 releaseDate: '2026-03-07T10:32:14.587Z'
@@ -140,7 +140,7 @@ releaseDate: '2026-03-07T10:32:14.587Z'
       "win",
       `version: 0.0.5
 files:
-  - url: T3-Code-0.0.5-x64.exe
+  - url: TritonAI-Harness-0.0.5-x64.exe
     sha512: x64exe
     size: 1
 releaseDate: '2026-03-07T10:36:07.540Z'
@@ -159,7 +159,7 @@ releaseDate: '2026-03-07T10:36:07.540Z'
       "mac",
       `version: '1.0'
 files:
-  - url: T3-Code-1.0-x64.zip
+  - url: TritonAI-Harness-1.0-x64.zip
     sha512: zipsha
     size: 1
 releaseName: 'true'
@@ -181,7 +181,7 @@ releaseDate: '2026-03-07T10:36:07.540Z'
       "win",
       `version: '1.0'
 files:
-  - url: T3-Code-1.0-x64.exe
+  - url: TritonAI-Harness-1.0-x64.exe
     sha512: exesha
     size: 1
 releaseDate: '2026-03-07T10:36:07.540Z'
@@ -200,26 +200,26 @@ releaseDate: '2026-03-07T10:36:07.540Z'
 it.layer(NodeServices.layer)("merge-update-manifests cli", (it) => {
   const arm64MacManifest = `version: 0.0.4
 files:
-  - url: T3-Code-0.0.4-arm64.zip
+  - url: TritonAI-Harness-0.0.4-arm64.zip
     sha512: arm64zip
     size: 125621344
-  - url: T3-Code-0.0.4-arm64.dmg
+  - url: TritonAI-Harness-0.0.4-arm64.dmg
     sha512: arm64dmg
     size: 131754935
-path: T3-Code-0.0.4-arm64.zip
+path: TritonAI-Harness-0.0.4-arm64.zip
 sha512: arm64zip
 releaseDate: '2026-03-07T10:32:14.587Z'
 `;
 
   const x64MacManifest = `version: 0.0.4
 files:
-  - url: T3-Code-0.0.4-x64.zip
+  - url: TritonAI-Harness-0.0.4-x64.zip
     sha512: x64zip
     size: 132000112
-  - url: T3-Code-0.0.4-x64.dmg
+  - url: TritonAI-Harness-0.0.4-x64.dmg
     sha512: x64dmg
     size: 138148807
-path: T3-Code-0.0.4-x64.zip
+path: TritonAI-Harness-0.0.4-x64.zip
 sha512: x64zip
 releaseDate: '2026-03-07T10:36:07.540Z'
 `;
@@ -240,8 +240,8 @@ releaseDate: '2026-03-07T10:36:07.540Z'
       yield* runCli(["--platform", "mac", primaryPath, secondaryPath]);
 
       const merged = yield* fs.readFileString(primaryPath);
-      assert.ok(merged.includes("T3-Code-0.0.4-arm64.zip"));
-      assert.ok(merged.includes("T3-Code-0.0.4-x64.zip"));
+      assert.ok(merged.includes("TritonAI-Harness-0.0.4-arm64.zip"));
+      assert.ok(merged.includes("TritonAI-Harness-0.0.4-x64.zip"));
       assert.ok(!merged.includes("path:"));
     }),
   );
@@ -261,7 +261,7 @@ releaseDate: '2026-03-07T10:36:07.540Z'
         primaryPath,
         `version: 0.0.4
 files:
-  - url: T3-Code-0.0.4-arm64.exe
+  - url: TritonAI-Harness-0.0.4-arm64.exe
     sha512: arm64exe
     size: 125621344
 releaseDate: '2026-03-07T10:32:14.587Z'
@@ -271,7 +271,7 @@ releaseDate: '2026-03-07T10:32:14.587Z'
         secondaryPath,
         `version: 0.0.4
 files:
-  - url: T3-Code-0.0.4-x64.exe
+  - url: TritonAI-Harness-0.0.4-x64.exe
     sha512: x64exe
     size: 132000112
 releaseDate: '2026-03-07T10:36:07.540Z'
@@ -281,8 +281,8 @@ releaseDate: '2026-03-07T10:36:07.540Z'
       yield* runCli(["--platform", "win", primaryPath, secondaryPath, outputPath]);
 
       const merged = yield* fs.readFileString(outputPath);
-      assert.ok(merged.includes("T3-Code-0.0.4-arm64.exe"));
-      assert.ok(merged.includes("T3-Code-0.0.4-x64.exe"));
+      assert.ok(merged.includes("TritonAI-Harness-0.0.4-arm64.exe"));
+      assert.ok(merged.includes("TritonAI-Harness-0.0.4-x64.exe"));
     }),
   );
 
diff --git a/scripts/notify-discord-release.test.ts b/scripts/notify-discord-release.test.ts
index 142313995e8..19c60e031a5 100644
--- a/scripts/notify-discord-release.test.ts
+++ b/scripts/notify-discord-release.test.ts
@@ -7,7 +7,7 @@ it("builds a prerelease Discord announcement for nightly subscribers", () => {
     buildDiscordReleaseAnnouncement({
       target: "prerelease",
       roleId: "111111111111111111",
-      releaseName: "TritonAI Code Nightly 1.2.4-nightly.20260501.17 (abcdef123456)",
+      releaseName: "TritonAI Harness Nightly 1.2.4-nightly.20260501.17 (abcdef123456)",
       version: "1.2.4-nightly.20260501.17",
       tag: "v1.2.4-nightly.20260501.17",
       releaseUrl: new URL(
@@ -17,15 +17,15 @@ it("builds a prerelease Discord announcement for nightly subscribers", () => {
     }),
     {
       content:
-        "<@&111111111111111111> Prerelease published: TritonAI Code Nightly 1.2.4-nightly.20260501.17 (abcdef123456)",
+        "<@&111111111111111111> Prerelease published: TritonAI Harness Nightly 1.2.4-nightly.20260501.17 (abcdef123456)",
       allowed_mentions: {
         roles: ["111111111111111111"],
       },
       embeds: [
         {
-          title: "TritonAI Code Nightly 1.2.4-nightly.20260501.17 (abcdef123456)",
+          title: "TritonAI Harness Nightly 1.2.4-nightly.20260501.17 (abcdef123456)",
           url: "https://github.com/t3dotgg/t3-code/releases/tag/v1.2.4-nightly.20260501.17",
-          description: "A new TritonAI Code prerelease is available for nightly testers.",
+          description: "A new TritonAI Harness prerelease is available for nightly testers.",
           color: 0x5865f2,
           fields: [
             {
@@ -51,22 +51,22 @@ it("builds a latest Discord announcement for stable subscribers", () => {
     buildDiscordReleaseAnnouncement({
       target: "latest",
       roleId: "222222222222222222",
-      releaseName: "TritonAI Code v1.2.3",
+      releaseName: "TritonAI Harness v1.2.3",
       version: "1.2.3",
       tag: "v1.2.3",
       releaseUrl: new URL("https://github.com/t3dotgg/t3-code/releases/tag/v1.2.3"),
       timestamp: "2026-05-01T01:41:00.000Z",
     }),
     {
-      content: "<@&222222222222222222> Latest published: TritonAI Code v1.2.3",
+      content: "<@&222222222222222222> Latest published: TritonAI Harness v1.2.3",
       allowed_mentions: {
         roles: ["222222222222222222"],
       },
       embeds: [
         {
-          title: "TritonAI Code v1.2.3",
+          title: "TritonAI Harness v1.2.3",
           url: "https://github.com/t3dotgg/t3-code/releases/tag/v1.2.3",
-          description: "A new TritonAI Code latest release is available.",
+          description: "A new TritonAI Harness latest release is available.",
           color: 0x2ecc71,
           fields: [
             {
diff --git a/scripts/notify-discord-release.ts b/scripts/notify-discord-release.ts
index ef15d1a2154..1fbfa09feae 100644
--- a/scripts/notify-discord-release.ts
+++ b/scripts/notify-discord-release.ts
@@ -97,8 +97,8 @@ export const buildDiscordReleaseAnnouncement = (
       url: options.releaseUrl.href,
       description:
         options.target === "prerelease"
-          ? "A new TritonAI Code prerelease is available for nightly testers."
-          : "A new TritonAI Code latest release is available.",
+          ? "A new TritonAI Harness prerelease is available for nightly testers."
+          : "A new TritonAI Harness latest release is available.",
       color: targetColors[options.target],
       fields: [
         {
@@ -224,7 +224,7 @@ export const notifyDiscordReleaseCommand = Command.make(
       yield* postDiscordWebhook(webhookUrl, payload);
       yield* Effect.logInfo("discord release announcement completed");
     }),
-).pipe(Command.withDescription("Post a TritonAI Code release announcement to Discord."));
+).pipe(Command.withDescription("Post a TritonAI Harness release announcement to Discord."));
 
 if (import.meta.main) {
   Command.run(notifyDiscordReleaseCommand, { version: "0.0.0" }).pipe(
diff --git a/scripts/release-smoke.ts b/scripts/release-smoke.ts
index f58b7a014fd..25e3204ee5d 100644
--- a/scripts/release-smoke.ts
+++ b/scripts/release-smoke.ts
@@ -67,13 +67,13 @@ function writeMacManifestFixtures(targetRoot: string): { arm64Path: string; x64P
     arm64Path,
     `version: 9.9.9-smoke.0
 files:
-  - url: T3-Code-9.9.9-smoke.0-arm64.zip
+  - url: TritonAI-Harness-9.9.9-smoke.0-arm64.zip
     sha512: arm64zip
     size: 125621344
-  - url: T3-Code-9.9.9-smoke.0-arm64.dmg
+  - url: TritonAI-Harness-9.9.9-smoke.0-arm64.dmg
     sha512: arm64dmg
     size: 131754935
-path: T3-Code-9.9.9-smoke.0-arm64.zip
+path: TritonAI-Harness-9.9.9-smoke.0-arm64.zip
 sha512: arm64zip
 releaseDate: '2026-03-08T10:32:14.587Z'
 `,
@@ -83,13 +83,13 @@ releaseDate: '2026-03-08T10:32:14.587Z'
     x64Path,
     `version: 9.9.9-smoke.0
 files:
-  - url: T3-Code-9.9.9-smoke.0-x64.zip
+  - url: TritonAI-Harness-9.9.9-smoke.0-x64.zip
     sha512: x64zip
     size: 132000112
-  - url: T3-Code-9.9.9-smoke.0-x64.dmg
+  - url: TritonAI-Harness-9.9.9-smoke.0-x64.dmg
     sha512: x64dmg
     size: 138148807
-path: T3-Code-9.9.9-smoke.0-x64.zip
+path: TritonAI-Harness-9.9.9-smoke.0-x64.zip
 sha512: x64zip
 releaseDate: '2026-03-08T10:36:07.540Z'
 `,
@@ -112,13 +112,13 @@ function writeWindowsManifestFixtures(
     arm64Path,
     `version: 9.9.9-smoke.0
 files:
-  - url: T3-Code-9.9.9-smoke.0-arm64.exe
+  - url: TritonAI-Harness-9.9.9-smoke.0-arm64.exe
     sha512: arm64exe
     size: 126621344
-  - url: T3-Code-9.9.9-smoke.0-arm64.exe.blockmap
+  - url: TritonAI-Harness-9.9.9-smoke.0-arm64.exe.blockmap
     sha512: arm64blockmap
     size: 152344
-path: T3-Code-9.9.9-smoke.0-arm64.exe
+path: TritonAI-Harness-9.9.9-smoke.0-arm64.exe
 sha512: arm64exe
 releaseDate: '2026-03-08T10:32:14.587Z'
 `,
@@ -128,13 +128,13 @@ releaseDate: '2026-03-08T10:32:14.587Z'
     x64Path,
     `version: 9.9.9-smoke.0
 files:
-  - url: T3-Code-9.9.9-smoke.0-x64.exe
+  - url: TritonAI-Harness-9.9.9-smoke.0-x64.exe
     sha512: x64exe
     size: 132000112
-  - url: T3-Code-9.9.9-smoke.0-x64.exe.blockmap
+  - url: TritonAI-Harness-9.9.9-smoke.0-x64.exe.blockmap
     sha512: x64blockmap
     size: 160112
-path: T3-Code-9.9.9-smoke.0-x64.exe
+path: TritonAI-Harness-9.9.9-smoke.0-x64.exe
 sha512: x64exe
 releaseDate: '2026-03-08T10:36:07.540Z'
 `,
@@ -261,7 +261,7 @@ try {
   );
   assertContains(
     nightlyReleaseMetadata,
-    "name=TritonAI Code Nightly 9.9.10-nightly.20260413.321 (abcdef123456)",
+    "name=TritonAI Harness Nightly 9.9.10-nightly.20260413.321 (abcdef123456)",
     "Expected nightly metadata to include the short commit SHA in the release name.",
   );
 
@@ -284,12 +284,12 @@ try {
   const mergedManifest = readFileSync(arm64Path, "utf8");
   assertContains(
     mergedManifest,
-    "T3-Code-9.9.9-smoke.0-arm64.zip",
+    "TritonAI-Harness-9.9.9-smoke.0-arm64.zip",
     "Merged manifest is missing the arm64 asset.",
   );
   assertContains(
     mergedManifest,
-    "T3-Code-9.9.9-smoke.0-x64.zip",
+    "TritonAI-Harness-9.9.9-smoke.0-x64.zip",
     "Merged manifest is missing the x64 asset.",
   );
 
@@ -349,34 +349,34 @@ try {
   const mergedWindowsManifest = readFileSync(mergedWindowsManifestPath, "utf8");
   assertContains(
     mergedWindowsManifest,
-    "T3-Code-9.9.9-smoke.0-arm64.exe",
+    "TritonAI-Harness-9.9.9-smoke.0-arm64.exe",
     "Merged Windows manifest is missing the arm64 asset.",
   );
   assertContains(
     mergedWindowsManifest,
-    "T3-Code-9.9.9-smoke.0-x64.exe",
+    "TritonAI-Harness-9.9.9-smoke.0-x64.exe",
     "Merged Windows manifest is missing the x64 asset.",
   );
   const mergedNightlyWindowsManifest = readFileSync(mergedNightlyWindowsManifestPath, "utf8");
   assertContains(
     mergedNightlyWindowsManifest,
-    "T3-Code-9.9.9-smoke.0-arm64.exe",
+    "TritonAI-Harness-9.9.9-smoke.0-arm64.exe",
     "Merged nightly Windows manifest is missing the arm64 asset.",
   );
   assertContains(
     mergedNightlyWindowsManifest,
-    "T3-Code-9.9.9-smoke.0-x64.exe",
+    "TritonAI-Harness-9.9.9-smoke.0-x64.exe",
     "Merged nightly Windows manifest is missing the x64 asset.",
   );
   const mergedPreviewWindowsManifest = readFileSync(mergedPreviewWindowsManifestPath, "utf8");
   assertContains(
     mergedPreviewWindowsManifest,
-    "T3-Code-9.9.9-smoke.0-arm64.exe",
+    "TritonAI-Harness-9.9.9-smoke.0-arm64.exe",
     "Merged preview Windows manifest is missing the arm64 asset.",
   );
   assertContains(
     mergedPreviewWindowsManifest,
-    "T3-Code-9.9.9-smoke.0-x64.exe",
+    "TritonAI-Harness-9.9.9-smoke.0-x64.exe",
     "Merged preview Windows manifest is missing the x64 asset.",
   );
   assertMissing(
diff --git a/scripts/resolve-nightly-release.test.ts b/scripts/resolve-nightly-release.test.ts
index c97123212df..d4250dd7ce5 100644
--- a/scripts/resolve-nightly-release.test.ts
+++ b/scripts/resolve-nightly-release.test.ts
@@ -25,7 +25,7 @@ it("derives nightly metadata including the short commit sha in the release name"
       baseVersion: "9.9.10",
       version: "9.9.10-nightly.20260413.321",
       tag: "v9.9.10-nightly.20260413.321",
-      name: "TritonAI Code Nightly 9.9.10-nightly.20260413.321 (abcdef123456)",
+      name: "TritonAI Harness Nightly 9.9.10-nightly.20260413.321 (abcdef123456)",
       shortSha: "abcdef123456",
     },
   );
diff --git a/scripts/resolve-nightly-release.ts b/scripts/resolve-nightly-release.ts
index f0bba9e92e4..6402bcf96ab 100644
--- a/scripts/resolve-nightly-release.ts
+++ b/scripts/resolve-nightly-release.ts
@@ -61,7 +61,7 @@ export const resolveNightlyReleaseMetadata = (
     baseVersion,
     version,
     tag: `v${version}`,
-    name: `TritonAI Code Nightly ${version} (${shortSha})`,
+    name: `TritonAI Harness Nightly ${version} (${shortSha})`,
     shortSha,
   };
 };