{
  "id": "hook-surface:pi.on-event",
  "_kind": "HookSurface",
  "_file": "channels-hooks/hook-surfaces/native/pi-on-event.yaml",
  "_cluster": "channels-hooks",
  "attributes": {
    "eventName": "onEvent (Pi)",
    "displayName": "onEvent (Pi)",
    "kind": "native",
    "originVendor": "a5c",
    "direction": "post",
    "blocking": false,
    "family": "shell-hook",
    "payloadSchema": {
      "type": "object",
      "required": [
        "event"
      ],
      "properties": {
        "event": {
          "type": "string"
        },
        "payload": {
          "type": "object"
        }
      }
    },
    "description": "Pi's generic onEvent hook. Pi exposes a single onEvent dispatcher\nthat routes to handler scripts by event name. Canonicalizes to\npost-tool-use for cross-product policies.\n"
  },
  "outgoingEdges": [
    {
      "from": "hook-surface:pi.on-event",
      "to": "hook-surface:post-tool-use",
      "kind": "canonicalized_to",
      "attributes": {}
    }
  ],
  "incomingEdges": [
    {
      "from": "hook-mapping:before-provider-request-pi",
      "to": "hook-surface:pi.on-event",
      "kind": "maps_hook",
      "attributes": {}
    }
  ]
}