{
  "schema": 2,
  "setup": {
    "id": "voice-tts-piper",
    "version": "1.1.1"
  },
  "qualifications": [
    {
      "machineClass": "linux-x64-cpu",
      "result": "pass",
      "hardware": {
        "os": "linux",
        "arch": "x64",
        "memory": "cpu",
        "container": "node:22-bookworm --platform linux/amd64",
        "emulatedOn": "Apple M4 Max (darwin arm64)",
        "hostRamGb": 128,
        "hostCpuCores": 16
      },
      "pins": {
        "harness": "opencode",
        "host": "piper",
        "model": {
          "id": "piper/en",
          "revision": "5efe09e69902187827af646e1a6e9d269dee769f9877d17b16b1b46eeaaf019f",
          "quantization": "fp32",
          "contextWindow": 2048
        }
      },
      "test": {
        "protocolVersion": 1,
        "frozenAt": "2026-10-04",
        "fixture": "voice-tts-piper.yaml",
        "oracle": {
          "type": "none",
          "target": ""
        },
        "scope": "qualification"
      },
      "measured": {
        "inputText": "hello world",
        "outputBytes": 113824,
        "sampleRateHz": 22050,
        "channels": 1,
        "bitsPerSample": 16,
        "codec": "pcm_s16le",
        "repetitions": [
          {
            "kind": "single",
            "attempt": 1,
            "ok": true,
            "inputText": "hello world",
            "outputBytes": 113824,
            "sampleRateHz": 22050,
            "channels": 1,
            "bitsPerSample": 16
          }
        ],
        "firstAttemptFailures": 0,
        "allowedFailures": 0
      },
      "date": "2026-10-04",
      "engine": {
        "version": "0.1.0",
        "releaseHash": "51f9f4f797bc3ea1f634b8acce980e66c18ad059"
      }
    }
  ],
  "thresholds": {
    "minOutputBytes": 1
  },
  "logs": [
    "state/run.log",
    "host piper: en_US-lessac-medium answered the synthesis probe",
    "synthesis: 22050 Hz mono 16-bit PCM",
    "output.wav bytes: 113824"
  ],
  "cleanup": "root removed; host/model state lives under the root only"
}