{
  "id": "C08-N04",
  "title": "Windows 更新重启怎样排进闭馆维护窗口并验证回退",
  "schema_version": "1.0",
  "evidence_kind": "合成输入与协议；非现场测试结果",
  "tool_versions": {
    "generator": "Python 3.12.4",
    "ffmpeg": "8.0.1（仅实际媒体生成与解码）"
  },
  "required_delivery": "版本冻结、测试机验证、闭馆更新和失败恢复的记录单",
  "input": {
    "gates": [
      {
        "pilot_passed": true,
        "backup_verified": false,
        "remaining_minutes": 120,
        "restore_minutes": 40
      },
      {
        "pilot_passed": true,
        "backup_verified": true,
        "remaining_minutes": 20,
        "restore_minutes": 40
      }
    ]
  },
  "expected": {
    "allowed": [
      false,
      false
    ],
    "production_changes_executed": false
  },
  "measurement": null,
  "unmeasured": [
    "实体播放硬件",
    "显示刷新相位",
    "现场拍摄",
    "实际Windows目标机配置"
  ],
  "record_fields": [
    "machine",
    "edition",
    "build",
    "patch_id",
    "pilot_result",
    "window_start",
    "remaining_minutes",
    "restore_minutes",
    "backup_verified",
    "post_reboot_result",
    "rollback_result"
  ]
}