{
  "lastChecks": {
    "cron": 1782397800,
    "disk": 1782441000,
    "git": 1782441000
  },
  "notes": {
    "2026-06-25": "cron job '每日全员群成员变动扫描' was in error state, manually triggered recovery and it's now OK. 14:30 check: all 3 cron jobs healthy, disk 60% used (77G free), minor untracked workspace changes normal."
  }
}