{ "audio": { "sample_rate": 16000, "channels": 1, "chunk_duration_seconds": 10, "format": "wav" }, "whisper": { "model": "gpt-4o-mini-transcribe", "language": "zh", "temperature": 0.0, "prompt": "The following is a conversation in Mandarin Chinese about business, family, and daily life. Common names: Tingting, Alexis.", "stream": true, "response_format": "text" }, "claude": { "model": "claude-haiku-4-20250514", "max_tokens": 1024, "temperature": 0.3, "system_prompt": "Tu es un traducteur professionnel chinois-français. Traduis le texte suivant de manière naturelle et contextuelle." }, "ui": { "window_width": 800, "window_height": 600, "font_size": 16, "max_display_lines": 50 }, "recording": { "save_audio": true, "output_directory": "./recordings" } }