{
  "lastChecks": {
    "stock": 1774164960,
    "weather": 1742058300,
    "calendar": null,
    "email": null
  },
  "lastHeartbeat": "2026-03-22T17:11:00+08:00",
  "stockAlert": {
    "symbol": "000630",
    "price": 5.96,
    "threshold": 6.80,
    "alertTime": "2026-03-22T15:36:00+08:00",
    "status": "active",
    "note": "Alerted in previous heartbeat. 铜陵有色 at 5.96 below 6.80 threshold. 岩山科技 also down -12.5%"
  }
}