{
  "provenance": "Local Flask integration test against a reserved loopback port without a listening daemon; real connection failure or timeout; no invoice assessment occurred.",
  "http_status": 503,
  "body": {
    "accept_recommendation": "UNDEFINED",
    "errors": [
      {
        "id": "TIMEOUT",
        "location": "",
        "severity": "error",
        "text": "KoSIT hat das Zeitlimit überschritten."
      }
    ],
    "node_id": "local-reference-test",
    "request_id": "content-reference-2026-09-07",
    "schema_valid": false,
    "schematron_valid": false,
    "valid": false,
    "validator_version": "1.6.2",
    "warnings": []
  }
}