{
  "stream_id": "web-cam08-test",
  "state": "error",
  "desired_state": "stopped",
  "observed_state": "error",
  "run_generation": 1,
  "run_id": "99032028-14f6-431b-a069-a080890a1b20",
  "last_error": {
    "error_code": "ROLE_RUNTIME_FAILED",
    "failure_stage": "canonical_results",
    "role": "det",
    "message": "A pipeline role failed while processing frames."
  },
  "cleanup_error": null
}