fix：无历史记录总结返回参数修正

app/server/ChatbotAgent/agent_server.py

@@ -114,7 +114,7 @@ class LCAgent(ls.LitAPI):
             occasions = request.occasions
         else:
             request_summary, occasions = await self.get_conversation_summary(request.session_id)
-        logger.info(f"request_summary: {request_summary}")
+        logger.info(f"request_summary: {request_summary},occasions : {occasions}")
 
         # 2.根据对话总结推荐搭配
         recommendation_results = await self.recommend_outfit(
@@ -146,7 +146,7 @@ class LCAgent(ls.LitAPI):
         history_messages = self.redis.get_history(session_id)
         if not history_messages:
             # 处理无历史记录的情况
-            return {"occasions": [], "summary": "User has no history provided."}
+            return "User has no history provided.", []
 
         input_message = "\n".join([f"{msg.role.value}: {msg.content}" for msg in history_messages])
         json_schema = StylistResponse.model_json_schema()