{
  "schema_version": 1,
  "experiment": "6-3",
  "run_id": "exp6-3-20260729T150939685Z",
  "generated_at_utc": "2026-07-29T15:09:39.685Z",
  "credentials_persisted": false,
  "source_media": {
    "path": "microphone_input.wav",
    "capture_method": "browser_microphone_over_websocket",
    "original_repository_path": "backend/recordings/recording_2025-02-06T14-51-38-205Z.wav",
    "sha256": "e69d77415ffa39e1a2e00b99e6dbedce675faa9b4c2b703a256585861c6d2085",
    "size_bytes": 161836,
    "duration_seconds": 5.056,
    "sample_rate_hz": 16000,
    "channels": 1,
    "bits_per_sample": 16,
    "provenance_note": "Existing real microphone capture saved by live-audio/backend/server.js; replayed through the production Silero class for reproducible validation."
  },
  "stages": {
    "vad": {
      "execution": "real",
      "mock": false,
      "probe_only": false,
      "fallback_used": false,
      "implementation": "Silero VAD ONNX",
      "model": "models/silero_vad.onnx",
      "model_sha256": "2623a2953f6ff3d2c1e61740c6cdb7168133479b267dfef114a4a3cc5bdd788f",
      "threshold": 0.5,
      "max_silence_ms": 500,
      "endpoint_detected": true,
      "forced_endpoint": false,
      "observed_trailing_silence_ms": 526,
      "speech_duration_ms": 692,
      "latency_seconds": 5.234941667,
      "segment_path": "vad_segment.wav",
      "segment_sha256": "068bab529128c19aa1b9d042c947434cca71c62043c55bdf6eb235e973991bfc",
      "segment_bytes": 21548
    }
  },
  "experiment_complete": false,
  "error": "Error: Real ASR failed: You exceeded your current quota, please check your plan and billing details. For more information on this error, read the docs: https://platform.openai.com/docs/guides/error-codes/api-errors.\n    at runAsr (/Users/boj/book/ai-agent-book/chapter6/live-audio/backend/run_real_validation.js:120:67)\n    at process.processTicksAndRejections (node:internal/process/task_queues:104:5)\n    at async main (/Users/boj/book/ai-agent-book/chapter6/live-audio/backend/run_real_validation.js:244:27)",
  "acceptance": {
    "gates": {
      "schema_and_scope": true,
      "real_websocket_microphone_media": true,
      "real_silero_vad_endpoint": true,
      "real_asr": false,
      "real_streaming_llm": false,
      "real_tts_media": false,
      "measured_stage_latencies": false,
      "no_mock_probe_or_fallback": false
    },
    "passed": false,
    "statement": "Passing proves one saved real microphone turn completed Silero VAD -> real ASR -> real LLM -> real TTS. It does not benchmark concurrency or production load."
  }
}