{ "server": { "host": "0.0.0.0", "port": 8001, "cors_origins": ["http://localhost:3000", "http://localhost:8080"] }, "audio": { "sample_rate_hz": 16000, "channels": 1, "frame_ms": 20 }, "session": { "inactivity_timeout_sec": 60 }, "turn": { "vad": { "confidence": 0.7, "start_secs": 0.2, "stop_secs": 0.4, "min_volume": 0.6 }, "user_speech_timeout_sec": 0.8 }, "agent": { "system_prompt": "You are a helpful, friendly voice assistant. Keep responses concise and natural for spoken conversation.", "greeting": "Please introduce yourself briefly.", "greeting_mode": "generated" }, "services": { "stt": { "provider": "openai", "api_key": "", "base_url": null, "model": "gpt-4o-mini-transcribe", "language": "en" }, "llm": { "provider": "openai", "api_key": "", "base_url": null, "model": "gpt-4o-mini", "temperature": 0.7 }, "tts": { "provider": "openai", "api_key": "", "base_url": null, "model": "gpt-4o-mini-tts", "voice": "alloy" } } }