{
    "tts": {
        "enabled": true,
        "engine": "auto",
        "rate": 0,
        "volume": 80,
        "voice": "fr-fr"
    },
    "stt": {
        "passive_mode": {
            "enabled": false,
            "engine": "pocketsphinx",
            "keywords": ["celuna", "hey celuna", "ok celuna"],
            "threshold": 0.8,
            "model_path": "/usr/share/pocketsphinx/model/en-us"
        },
        "active_mode": {
            "enabled": true,
            "engine": "vosk",
            "model_path": "./models/vosk-model-small-fr-0.22",
            "language": "fr",
            "timeout_seconds": 30,
            "fallback_engine": "whisper-api"
        },
        "whisper_api": {
            "api_key_env": "OPENAI_API_KEY",
            "model": "whisper-1"
        },
        "microphone": {
            "device_id": -1,
            "sample_rate": 16000,
            "channels": 1,
            "buffer_size": 1024
        }
    }
}