{
  "system_prefix": null,
  "history_count": 1,
  "user_summary": {
    "text": "说一句话",
    "has_image": false,
    "has_tool_result": false
  },
  "assistant_summary": {
    "text": "生活就像一盒巧克力，你永远不知道下一颗是什么味道。",
    "tool_calls": [],
    "stop_reason": "stop"
  }
}

{
  "completion_tokens": 50,
  "completion_tokens_details": {
    "reasoning_tokens": 35
  },
  "prompt_tokens": 85,
  "prompt_tokens_details": {
    "cached_tokens": 0
  },
  "total_tokens": 135
}