{
  "system_prefix": null,
  "history_count": 1,
  "user_summary": {
    "text": "说一句话",
    "has_image": false,
    "has_tool_result": false
  },
  "assistant_summary": {
    "text": "生活不是等待风暴过去，而是学会在雨中起舞。",
    "tool_calls": [],
    "stop_reason": "stop"
  }
}

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  "completion_tokens": 46,
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    "reasoning_tokens": 33
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  "prompt_tokens": 85,
  "prompt_tokens_details": {
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