operational-trigger:drain

{
  "id": "operational-trigger:drain",
  "_kind": "OperationalTrigger",
  "_file": "extensions/operational-triggers/operational-triggers-canonical.yaml",
  "_cluster": "extensions",
  "attributes": {
    "displayName": "Drain (stop accepting new dispatches)",
    "triggerKind": "drain",
    "effect": "Set orchestrator state to draining; existing runs continue.",
    "idempotent": true
  },
  "outgoingEdges": [],
  "incomingEdges": [
    {
      "from": "api-endpoint:get-state",
      "to": "operational-trigger:drain",
      "kind": "fires_operational_trigger",
      "attributes": {}
    }
  ]
}