chore: rename cancel agent to cancel message [LET-4346] (#5597)

* chore: rename cancel agent to cancel message

* fix type-check

fern/openapi.json

@@ -6641,9 +6641,9 @@
     "/v1/agents/{agent_id}/messages/cancel": {
       "post": {
         "tags": ["agents"],
-        "summary": "Cancel Agent Run",
+        "summary": "Cancel Message",
         "description": "Cancel runs associated with an agent. If run_ids are passed in, cancel those in particular.\n\nNote to cancel active runs associated with an agent, redis is required.",
-        "operationId": "cancel_agent_run",
+        "operationId": "cancel_message",
         "parameters": [
           {
             "name": "agent_id",
@@ -6678,7 +6678,7 @@
                 "schema": {
                   "type": "object",
                   "additionalProperties": true,
-                  "title": "Response Cancel Agent Run"
+                  "title": "Response Cancel Message"
                 }
               }
             }

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

@@ -1309,8 +1309,8 @@ class CancelAgentRunRequest(BaseModel):
     run_ids: list[str] | None = Field(None, description="Optional list of run IDs to cancel")
 
 
-@router.post("/{agent_id}/messages/cancel", operation_id="cancel_agent_run")
-async def cancel_agent_run(
+@router.post("/{agent_id}/messages/cancel", operation_id="cancel_message")
+async def cancel_message(
     agent_id: str = PATH_VALIDATORS[AgentState.__id_prefix__],
     request: CancelAgentRunRequest = Body(None),
     server: SyncServer = Depends(get_letta_server),