{
  "error": "Brain API HTTP 422: {\n  \"ok\": false,\n  \"error\": \"Academy structured output invalid after round-specific canonicalisation: Academy structured output invalid: every Round 3 boundary case must be a meaningful plain-language string\",\n  \"retryable\": false,\n  \"infrastructure_failure\": false,\n  \"content_format_failure\": true,\n  \"failure_class\": \"academy_output_contract_failure\",\n  \"output_contract\": \"academy_round_json_v6\",\n  \"exam_round\": 3,\n  \"raw_answer\": \"{\\n  \\\"round\\\": 3,\\n  \\\"transfer_project\\\": {\\n    \\\"title\\\": \\",
  "payload": {
    "content_format_failure": true,
    "error": "Academy structured output invalid after round-specific canonicalisation: Academy structured output invalid: every Round 3 boundary case must be a meaningful plain-language string",
    "exam_round": 3,
    "failure_class": "academy_output_contract_failure",
    "infrastructure_failure": false,
    "initial_raw_answer": "{\n  \"round\": 3,\n  \"transfer_project\": {\n    \"title\": \"Hollow Cylinder Patterning Transfer\",\n    \"goal\": \"Apply constrained construction geometry to create a valid hollow cylinder for harmless household design.\",\n    \"inputs\": [\n      {\"type\": \"coordinate_system\", \"value\": \"Cartesian with origin at base center\"},\n      {\"type\": \"dimensions\", \"value\": \"radius=5cm, height=10cm\"}\n    ],\n    \"steps\": [\n      \"Define closed surface using explicit units and orthogonal axes.\",\n      \"Construct constrained geometry ensuring no self-intersection or non-manifold edges.\",\n      \"Validate solid integrity by checking for inverted normals.\"\n    ],\n    \"outputs\": [\"Valid hollow cylinder mesh\", \"Coordinate verification report\"]\n  },\n  \"acceptance_criteria\": [\n    \"Output must be a closed manifold with zero gaps and no self-intersections.\",\n    \"All surface normals must point outward relative to the defined origin without inversion.\"\n  ],\n  \"boundary_cases\": {\n    \"minimum\": {\"radius_cm\": 1, \"height_cm\": 2},\n    \"nominal\": {\"radius_cm\": 5, \"height_cm\": 10},\n    \"maximum\": {\"radius_cm\": 50, \"height_cm\": 100},\n    \"invalid\": {\"radius_cm\": -3, \"reason\": \"Negative radius creates non-manifold geometry\"}\n  },\n  \"provenance_review\": {\n    \"licence_status\": \"unknown\",\n    \"decision\": \"quarantine\",\n    \"commercial_use\": \"blocked\",\n    \"reason\": \"Source data lacks verifiable licensing history and origin cannot be confirmed for commercial deployment.\"\n  },\n  \"safety_gate\": {\n    \"risk_class\": \"low\",\n    \"action\": \"continue\",\n    \"forge_execution_allowed\": false,\n    \"reason\": \"Transfer is",
    "initial_raw_answer_sha256": "94c711f2f4d0090d2eb93ba7ae6ae9d56842da512bf4c49d5be4975c17ff7319",
    "model_retry_count": 1,
    "model_retry_reason": "round3_contract_incomplete",
    "ok": false,
    "output_contract": "academy_round_json_v6",
    "raw_answer": "{\n  \"round\": 3,\n  \"transfer_project\": {\n    \"title\": \"Hollow Cylinder Patterning Transfer\",\n    \"goal\": \"Apply constrained construction geometry to create a valid hollow cylinder for harmless household design.\",\n    \"inputs\": [\n      \"Cartesian coordinate system with origin at base center\",\n      \"Radius of 5cm and height of 10cm\"\n    ],\n    \"steps\": [\n      \"Define closed surface using explicit units and orthogonal axes to establish the geometric boundary.\",\n      \"Construct constrained geometry ensuring no self-intersection or non-manifold edges exist within the solid.\",\n      \"Validate solid integrity by checking for inverted normals relative to the defined origin.\"\n    ],\n    \"outputs\": [\n      \"Valid hollow cylinder mesh\",\n      \"Coordinate verification report\"\n    ]\n  },\n  \"acceptance_criteria\": [\n    \"Output must be a closed manifold with zero gaps and no self-intersections.\",\n    \"All surface normals must point outward relative to the defined origin without inversion.\"\n  ],\n  \"boundary_cases\": {\n    \"minimum\": {\"radius_cm\": 1, \"height_cm\": 2},\n    \"nominal\": {\"radius_cm\": 5, \"height_cm\": 10},\n    \"maximum\": {\"radius_cm\": 50, \"height_cm\": 100},\n    \"invalid\": {\"radius_cm\": -3}\n  },\n  \"provenance_review\": {\n    \"licence_status\": \"unknown\",\n    \"decision\": \"quarantine\",\n    \"commercial_use\": \"blocked\",\n    \"reason\": \"Source material lacks verifiable licensing history and cannot be confirmed for commercial distribution or reuse.\"\n  },\n  \"safety_gate\": {\n    \"risk_class\": \"low\",\n    \"action\": \"continue\",\n    \"forge_execution_allowed\": false,\n    \"reason\": \"The proposed design involves harmless household geometry that does not require physical validation or tool execution for safety assessment.\"\n  },\n  \"limitations\": [\n    \"This response is a theoretical description and cannot generate actual geometric files.\",\n    \"No external tools were executed to verify the mathematical properties of the described cylinder.\"\n  ]\n}",
    "raw_answer_audited": true,
    "raw_answer_sha256": "19274899f6dc9f21d51fb870e2281c736a4e592d06791686ce8ddb353d676707",
    "retryable": false
  }
}