gradbot-voice-agent

Build complete, working voice agent applications using the gradbot framework. Use when user asks to "build a voice assistant", "create a voice agent", "make a voice app", "build a haggling game", or any voice-interactive application with speech. Generates a FastAPI backend with STT/LLM/TTS orchestration, tool calling, system prompts, and a polished frontend UI. Works for any domain - customer service, games, booking, tutoring, roleplay, etc. Also use when user is working with an existing gradbot demo and wants to modify, extend, or understand it.