{"status":"ok","message":"AI Voice Call System - ElevenLabs Compatible","device":"cpu","features":["✅ Agent management with custom configurations","✅ ElevenLabs-compatible API endpoints","✅ GPU-accelerated RAG and embeddings","✅ Streaming STT/TTS pipeline","✅ Smart voice interruption detection","✅ Conversation history and transcripts","✅ 0.1s silence detection"]}