{
  "sent_alerts": {
    "temperature_low:2026-02-05": {
      "dedup_key": "temperature_low:2026-02-05",
      "alert_type": "temperature_low",
      "sent_at": "2026-02-05T00:01:04.544484",
      "forecast_hour": "2026-02-05-02"
    },
    "temperature_low:2026-02-06": {
      "dedup_key": "temperature_low:2026-02-06",
      "alert_type": "temperature_low",
      "sent_at": "2026-02-06T00:01:03.874920",
      "forecast_hour": "2026-02-06-01"
    }
  },
  "last_updated": "2026-02-06T00:01:03.874970",
  "previous_alert_snapshots": {
    "temperature_low": {
      "alert_type": "temperature_low",
      "extreme_value": 29.9,
      "threshold": 32,
      "start_time": "2026-02-06-01",
      "end_time": "2026-02-06-04",
      "hour_count": 4,
      "captured_at": "2026-02-06T00:01:03.874947"
    }
  },
  "last_ai_summary_sent": null
}