Fix dropped conversation + add configurable voice volume

Bump version to 0.2.0 so the robot picks up the new build

Add web-UI field for the Anthropic API key

Restore HF Spaces .gitattributes (Git-LFS config)

Fix unresponsive wake: trigger on DoA speech instead of antenna press

Fix wild head movement (throttle DoA tracking to 2Hz) and lower RMS VAD threshold to 0.005

Fix stuck-listening: replace DoA VAD with energy-based VAD (RMS threshold), DoA used for direction only

Fix USB crash: keep recording running throughout conversation instead of stop/start per turn

Add Claude conversation mode: STT → LLM → TTS multi-turn chat, DoA head tracking, antenna-press exit

Fix timezone: use Europe/Berlin (MESZ)

Switch to edge-tts neural voice + gestures while speaking

Use piper-tts neural TTS for natural German voice

Initial release

Initial commit