ModernVoiceChat

🌟 New Features & Enhancements

1. 🎚️ Per-Player Volume Adjustment

• Added a new "Player Volumes" category in the settings screen ([V]).
• Individual volume sliders (0% to 200%) for online players allow fine-tuning of each player's voice output level.
• Saved volume preferences persist across sessions.

2. 🖱️ Improved Audio Device Selection UI

• Refactored Microphone and Speaker device selectors from text-input dropdowns to single-click Selector Buttons.
• Players can now cycle through available audio devices easily with a single click.

3. 🔰 Interactive First-Time Setup Wizard

• Added a 4-step interactive tutorial screen (FirstTimeTutorialScreen) for first-time setup.
• Allows real-time microphone test (loopback), input mode toggle (VAD/PTT), threshold adjustment, and volume level testing.
• Full internationalization support with English (en_us) and Japanese (ja_jp) localizations.
• Can be re-launched anytime via the settings screen.

4. 📻 Radio Transmit State Refinements

• Updated radio behavior so that holding the radio item only transmits voice and displays the talking indicator when actual speech or PTT is active.
• Fixed radio item missing texture icon issue in model registry.

🛠️ Bug Fixes & Audio Engine Improvements

• Low-Latency Loopback Test:
  • Rewrote the mic test loopback engine to bypass redundant queues, reducing loopback latency down to ~60ms.
• Audio Artifacts & Clicks:
  • Fixed click noises and buffer underruns during loopback by injecting silent frames when no audio is detected.
• Device Conflict Prevention:
  • Resolved LineUnavailableException errors caused by attempting to open duplicate audio target lines while active on a server.