Plays a 440 Hz tone through the selected device. Point it at the voice-chat cable to confirm the table would hear the bot.
P0 proves the plumbing: HUD served through Caddy, broker reachable, audio
devices selectable, capture + playback verified. P1 wires the live loop —
the audio you capture above streams to faster-whisper, trigger words gate
qwen3-30b-a3b-q4, and kokoro speaks back through the output cable.