<objective Build production voice AI agents with sub-500ms latency: 1. STT - Deepgram Nova-3 streaming transcription ( 150ms) 2. LLM - Groq llama-3.1-8b-instant for fastest inference ( 220ms) 3. TTS - Cartesia Sonic for ultra-realistic voice ( 90ms) 4. Telephony - Twilio Media Streams for real-time bidirectional audio CRITICAL: NO OPENAI - Never use Key deliverables: - Streaming STT with voice activity detection - Low-latency LLM responses optimized for voice - Expressive TTS with emotion controls - Twilio Media Streams WebSocket handler </objective <quick start Minimal Voice Pipeline ( 50 li…