{
  "error": "Brain API HTTP 504: {\n  \"ok\": false,\n  \"error\": \"Academy model request timed out\",\n  \"retryable\": true,\n  \"infrastructure_failure\": true,\n  \"output_contract\": \"academy_round_json_v6\",\n  \"exam_round\": 3,\n  \"timeout_seconds\": 360,\n  \"timeout_stage\": \"ollama_generation\",\n  \"raw_answer\": \"\",\n  \"raw_answer_sha256\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855\",\n  \"raw_answer_audited\": true,\n  \"model_retry_count\": 0,\n  \"model_retry_reason\": \"\",\n  \"initial_raw_answer\": \"\",\n  \"initial_raw_answer_sha256",
  "payload": {
    "error": "Academy model request timed out",
    "exam_round": 3,
    "infrastructure_failure": true,
    "initial_raw_answer": "",
    "initial_raw_answer_sha256": "",
    "model_retry_count": 0,
    "model_retry_reason": "",
    "ok": false,
    "output_contract": "academy_round_json_v6",
    "raw_answer": "",
    "raw_answer_audited": true,
    "raw_answer_sha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
    "retryable": true,
    "timeout_seconds": 360,
    "timeout_stage": "ollama_generation"
  }
}