获取指定分类的历史记录

{
  "code": 200,
  "message": "success",
  "data": {
    "histories": [
      {
        "id": 48,
        "session_id": "session_764a139b",
        "conversation": [
          {
            "id": "record_001",
            "timestamp": "2025-07-15T15:14:04.931233",
            "source_text": "早上好 你能聽得到我講話嗎",
            "target_text": "Good morning. Can you hear me speaking?",
            "source_language": "zh-CN",
            "target_language": "en-US"
          },
          {
            "id": "record_002",
            "timestamp": "2025-07-15T15:14:27.768923",
            "source_text": "早上好,用西班牙语怎么说",
            "target_text": "Buenos días, ¿cómo se dice en español?",
            "source_language": "zh-CN",
            "target_language": "Spanish"
          }
        ],
        "summary": "xxxxxxxxxx",
        "title": "Morning Greetings and Language Inquiry",
        "category": "Casual",
        "start_time": "2025-07-15T07:17:43.489375Z",
        "end_time": "2025-07-17T09:10:59.714711Z"
      },
      {
        "id": 50,
        "session_id": "session_da72e44d",
        "conversation": [
          {
            "id": "record_001",
            "timestamp": "2025-07-15T15:22:12.364139",
            "source_text": "早上好",
            "target_text": "Buenos días.",
            "source_language": "zh-CN",
            "target_language": "Spanish"
          },
          {
            "id": "record_002",
            "timestamp": "2025-07-15T15:22:29.459768",
            "source_text": "今天是星期五",
            "target_text": "Сегодня пятница.",
            "source_language": "zh-CN",
            "target_language": "Russian"
          }
        ],
        "summary": "xxxxxxxxx",
        "category": "Casual",
        "start_time": "2025-07-15T07:22:40.668604Z",
        "end_time": "2025-07-17T09:09:44.397042Z"
      }
    ]
  }
}