{
  "filename": "bad_04_stale_data.json",
  "source": "simulated_bad_case",
  "score": 48.0,
  "dimensions": {
    "D1完整性": 70,
    "D2准确性": 60,
    "D3实用性": 40,
    "D4合规性": 50,
    "D5新鲜度": 25
  },
  "content": {
    "platform": "weibo",
    "category": "hotsearch",
    "hot_id": "1",
    "word": "过期话题",
    "raw_hot": 50000,
    "label_name": "历史",
    "url": "https://example.com",
    "timestamp": "2026-03-20T02:00:00.000000"
  },
  "features": [],
  "issues": [
    "数据严重过期：超过 7 天",
    "时间戳为 2026-03-20，当前为 2026-03-28",
    "热度数据已失效",
    "不适合实时分析场景"
  ]
}