v0.2.0 - Voice Interaction Improvements

Changes in v0.2.0

Voice Assistant

• Barge-in support: Interrupt the assistant while speaking by saying the wake word
• 30-second standby timeout: Goes to sleep after 30 seconds of inactivity
• Fixed background listening: Session properly stops when hidden
• Improved PTT mode: Touch handling works correctly
• Fixed race conditions: STT mode transitions are now reliable

TTS

• Added completion callback for speech finish detection

Permissions & Manifest

• Added VIBRATE permission
• Added ACCESS_COARSE_LOCATION (required with FINE)
• Added optional telephony/location hardware features

Code Quality

• Removed unused imports and variables
• Added proper permission annotations