feat: add PATCH route for updating conversation summary (#8322)

letta/server/rest_api/routers/v1/conversations.py

@@ -9,7 +9,7 @@ from letta.data_sources.redis_client import NoopAsyncRedisClient, get_redis_clie
 from letta.errors import LettaExpiredError, LettaInvalidArgumentError, NoActiveRunsToCancelError
 from letta.helpers.datetime_helpers import get_utc_time
 from letta.log import get_logger
-from letta.schemas.conversation import Conversation, CreateConversation
+from letta.schemas.conversation import Conversation, CreateConversation, UpdateConversation
 from letta.schemas.enums import RunStatus
 from letta.schemas.letta_message import LettaMessageUnion
 from letta.schemas.letta_request import LettaStreamingRequest, RetrieveStreamRequest
@@ -85,6 +85,22 @@ async def retrieve_conversation(
     )
 
 
+@router.patch("/{conversation_id}", response_model=Conversation, operation_id="update_conversation")
+async def update_conversation(
+    conversation_id: ConversationId,
+    conversation_update: UpdateConversation = Body(...),
+    server: SyncServer = Depends(get_letta_server),
+    headers: HeaderParams = Depends(get_headers),
+):
+    """Update a conversation."""
+    actor = await server.user_manager.get_actor_or_default_async(actor_id=headers.actor_id)
+    return await conversation_manager.update_conversation(
+        conversation_id=conversation_id,
+        conversation_update=conversation_update,
+        actor=actor,
+    )
+
+
 ConversationMessagesResponse = Annotated[
     List[LettaMessageUnion], Field(json_schema_extra={"type": "array", "items": {"$ref": "#/components/schemas/LettaMessageUnion"}})
 ]