{
  "id": "hook-surface:start",
  "_kind": "HookSurface",
  "_file": "channels-hooks/hook-surfaces/canonical/start.yaml",
  "_cluster": "channels-hooks",
  "attributes": {
    "eventName": "Start (a5c canonical)",
    "displayName": "Start (a5c canonical)",
    "kind": "canonical",
    "direction": "event",
    "blocking": false,
    "family": "in-process",
    "payloadSchema": {
      "type": "object",
      "required": [
        "runId"
      ],
      "properties": {
        "runId": {
          "type": "string"
        }
      }
    },
    "description": "a5c-emitted: fires at the start of a babysitter run.\n"
  },
  "outgoingEdges": [],
  "incomingEdges": [
    {
      "from": "agent-core-impl:a5c.core@current",
      "to": "hook-surface:start",
      "kind": "fires_hook",
      "attributes": {}
    },
    {
      "from": "hook-mapping:start-babysitter",
      "to": "hook-surface:start",
      "kind": "maps_hook",
      "attributes": {}
    }
  ]
}