StatLogResp

{
    "id": "xxx",
    "model_id": "deepseek/deepseek-v3.1",
    "api_key": "sk-xx****",
    "start_time": "2024-01-01T00:00:00Z",
    "end_time": "2024-01-01T00:00:05Z",
    "server_type": "chat",
    "code": 200,
    "state": "success",
    "usage": {
        "input": 100,
        "output": 200
    }
}