AI返回字段: 思考相关

{
    "choices": [
        {
            "delta": {
                "content": "",
                "reasoning_content": "更",
                "role": "assistant"
            },
            "index": 0
        }
    ],
    "created": 1741668925,
    "id": "021741668925429745f35aecd61d8759727392a4826173c6db921",
    "model": "deepseek-reasoner",
    "service_tier": "default",
    "object": "chat.completion.chunk",
    "usage": null
}