{
  "kind": "callback_request",
  "expect": "valid",
  "description": "frame.ending event with a subcall frame context",
  "data": {
    "schema_version": "lifeloop.v0.2",
    "event": "frame.ending",
    "event_id": "evt-frame-ending-1",
    "adapter_id": "codex",
    "adapter_version": "0.1.0",
    "integration_mode": "native_hook",
    "invocation_id": "inv-6",
    "harness_session_id": "session-123",
    "frame_context": {
      "frame_id": "frm-2",
      "parent_frame_id": "frm-1",
      "frame_class": "subcall"
    },
    "sequence": 5,
    "idempotency_key": "idem-frame-ending-1",
    "metadata": { "lifeloop_run_id": "lfl-run-1" }
  }
}
