feat(messenger): scaffolding — types, format converter, cards (PR 1 of 2)

src/chat_sdk/adapters/messenger/__init__.py

@@ -0,0 +1,52 @@
+"""Messenger (Meta) adapter for chat-sdk.
+
+PR 1 of 2 (scaffolding): types, format converter, and card conversion.
+The adapter itself (webhook routing, Graph API, signature verification,
+send/stream) is added in PR 2.
+"""
+
+from chat_sdk.adapters.messenger.cards import (
+    MessengerCardResult,
+    card_to_messenger,
+    card_to_messenger_text,
+    decode_messenger_callback_data,
+    encode_messenger_callback_data,
+)
+from chat_sdk.adapters.messenger.format_converter import MessengerFormatConverter
+from chat_sdk.adapters.messenger.types import (
+    MessengerAdapterConfig,
+    MessengerButton,
+    MessengerButtonTemplatePayload,
+    MessengerGenericTemplatePayload,
+    MessengerMessagingEvent,
+    MessengerRawMessage,
+    MessengerSendApiResponse,
+    MessengerTemplateElement,
+    MessengerTemplatePayload,
+    MessengerThreadId,
+    MessengerUserProfile,
+    MessengerWebhookEntry,
+    MessengerWebhookPayload,
+)
+
+__all__ = [
+    "MessengerAdapterConfig",
+    "MessengerButton",
+    "MessengerButtonTemplatePayload",
+    "MessengerCardResult",
+    "MessengerFormatConverter",
+    "MessengerGenericTemplatePayload",
+    "MessengerMessagingEvent",
+    "MessengerRawMessage",
+    "MessengerSendApiResponse",
+    "MessengerTemplateElement",
+    "MessengerTemplatePayload",
+    "MessengerThreadId",
+    "MessengerUserProfile",
+    "MessengerWebhookEntry",
+    "MessengerWebhookPayload",
+    "card_to_messenger",
+    "card_to_messenger_text",
+    "decode_messenger_callback_data",
+    "encode_messenger_callback_data",
+]