{
  "timestamp": "1756884998.5577822",
  "status": "HEALTHY",
  "summary": {
    "total_issues": 0,
    "total_warnings": 0,
    "critical_issues": 0,
    "data_integrity_issues": 0
  },
  "issues": [],
  "warnings": [],
  "recommendations": [
    "系统状态良好，建议定期运行此检查"
  ]
}