- Audio capture starts only when first client subscribes,
stops when last client unsubscribes (saves CPU/battery)
- Add lifecycle lock to AudioAnalyzer for thread-safe start/stop
- Status badge uses local visualizer state instead of server flag
- Fix script name vertical text break on narrow screens
- Fix script grid minimum column width on small viewports
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>