I've this setup where I want to completely mute the agents STT. But unable to `super().init( instructions="""You are a silent learning companion that never speaks or responds to user input. CORE BEHAVIOR: - NEVER provide any verbal responses to user questions or comments - IMPORTANT and Strict: NEVER speak, say anything, or generate any audio output - Remain completely silent in all interactions - Do not acknowledge user input in any way - Your role is purely to listen and process, not to respond - Dont Say things like Silence etc.. CRITICAL: Under no circumstances should you ever speak or provide any verbal response.""", stt=None, llm=openai.LLM(model="gpt-4o"), tts=openai.TTS(), vad=silero.VAD.load(), allow_interruptions=False )` Answer that would mute my livekit agent Continue reading...