代码运行到：
报错：
2025-08-04 16:14:56,681 - __main__ - INFO - agent question:content='你是谁？' additional_kwargs={} response_metadata={} id='ff1f53d5-023c-494e-86ae-949532cf0cf3'
2025-08-04 16:14:57,044 - httpx - INFO - HTTP Request: POST https://dashscope.aliyuncs.com/compatible-mode/v1/embeddings "HTTP/1.1 200 OK"
2025-08-04 16:14:57,189 - __main__ - INFO - Using cached prompt template for prompts/prompt_template_agent.txt
2025-08-04 16:15:00,627 - httpx - INFO - HTTP Request: POST https://dashscope.aliyuncs.com/compatible-mode/v1/chat/completions "HTTP/1.1 200 OK"
2025-08-04 16:15:00,703 - __main__ - ERROR - Error processing response: Object of type AIMessage is not JSON serializable
Assistant: 处理响应时发生未知错误
麻烦各位老师帮看看这个问题
