modify code

Author: yuan.wang

src/memos/api/handlers/chat_handler.py

@@ -490,7 +490,7 @@ def generate_chat_response() -> Generator[str, None, None]:
                         or chat_req.query + (f"{parsed_goal.tags}" if parsed_goal.tags else ""),
                         user_id=chat_req.user_id,
                         readable_cube_ids=readable_cube_ids,
-                        mode=chat_req.mode,
+                        mode="fast",
                         internet_search=chat_req.internet_search,
                         top_k=chat_req.top_k,
                         chat_history=chat_req.history,