{"service":"Indonesian TTS - Multi-Engine","endpoints":{"health":"GET /health","tts":"POST /tts","docs":"GET /docs"},"engines":{"gtts":"Online Google TTS (fast, requires internet, always available)","chatterbox":"Offline Indonesian TTS (better quality, loads on startup)"},"usage":{"tts":"POST with {text, engine: 'gtts'|'chatterbox', audio_prompt?: '/path/to/ref.wav'}"}}