{
  "schema": "anvil-serving.operator-observation/v1",
  "observed_at": "2026-07-26T18:00:00Z",
  "model": "laguna-s-2.1-nvfp4",
  "base_url": "http://127.0.0.1:39017/v1",
  "engine": "vllm-0.23.1rc1.dev1327-gf25953cc5",
  "thinking": {
    "mode": "enabled",
    "chat_template_kwargs": {
      "enable_thinking": true
    }
  },
  "budget": {
    "visible_answer_tokens": 256,
    "reasoning_headroom_tokens": 4096,
    "max_completion_tokens": 4352
  },
  "check": "smoke (short coding)",
  "passed": false,
  "elapsed_seconds": 45.9,
  "finish_reason": "length",
  "visible_answer_chars": 0,
  "reasoning_chars": 18840,
  "failure_class": "reasoning_exhaustion",
  "provenance": "Retained from the first live preflight console result. The subsequent full preflight rerun is retained separately and passed, establishing intermittent rather than deterministic failure."
}