{
  "artifact": {
    "description": "Synchronous result reporting contract. Participants write a ResultEnvelope to stdout after step completion. Provisioning reads and stores the structured result linked to the integration run.",
    "id": "result-reporting",
    "layers": [
      {
        "description": "contract.ncl — ResultEnvelope schema (success, exit_code, summary, payload, errors)",
        "media_type": "application/vnd.ontoref.domain.contract.v1",
        "required": true
      }
    ],
    "media_type": "application/vnd.ontoref.domain.v1",
    "uses_registry": "primary",
    "version": "0.1.0"
  }
}