{
  "env": {
    "date": "2026-06-23T20:21:28",
    "endpoint": "https://echoapi.alwisp.com",
    "commit": "af16598",
    "echo_workers": 8,
    "echo_timeout": 30,
    "python": "3.10.12",
    "iterations": null,
    "count_k": 50
  },
  "run_id": "20260623-202128-53b113",
  "metrics": {
    "lock": {
      "result": {
        "acquire_free_ms": 159.18,
        "acquire_free_rc": 0,
        "contended_ms": 57.89,
        "contended_rc_expected_75": 75,
        "release_ms": 132.92,
        "ok": true
      },
      "gates": [
        {
          "rule": {
            "field": "ok",
            "op": ">=",
            "min": 1,
            "why": "free acquire returns 0 and a contended acquire fast-fails with exit 75"
          },
          "value": true,
          "pass": true
        }
      ]
    }
  },
  "cleanup": {
    "deleted": 0
  }
}