Post-incident: queue_liveness triggered 2026-09-09T02:05:11.194Z

{
  "invariant": "queue_liveness",
  "severity": "SEV-2",
  "evidence": {
    "planningValidated": 4,
    "inFlight": 11,
    "maxInFlight": 15,
    "recentDispatchCount": 0,
    "windowMinutes": 15,
    "lastSuccessfulDispatchAt": "2026-09-09T01:45:51.318Z"
  },
  "slack": {
    "channelId": "#dev-alerts-testing",
    "ts": "failed:slack_post_failed:_channel_not_found-1788919511123"
  }
}