- Charts: blue filled area for fps_actual (rolling avg), green line for
fps_current (real-time sends/sec)
- Labels: fps_current/fps_target as primary, avg fps_actual as secondary
- Track fps_current in metrics history for dashboard chart preload
- Applied to both LED targets page and dashboard
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Add tab refresh loading bar animation for all 4 tab loaders
- Add profiles loading guard to prevent concurrent fetches
- Centralize theme colors into CSS variables (--text-secondary, --text-muted,
--bg-secondary, --success-color, --shadow-color) for both dark/light themes
- Replace hardcoded gray values across 10 CSS files with variables
- Fix duplicate .btn-sm definition in modal.css
- Fix z-index: toast 2001→2500 to safely clear modals at 2000
- Add :focus-visible keyboard navigation indicators for all interactive elements
- Add responsive breakpoints for tab bar and header on narrow screens
- Prevent background page scroll when command palette is open
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Add loading guard to loadPictureSources to prevent concurrent fetches
- Pause perf chart polling and uptime timer when browser tab is hidden
- Disconnect KC and LED preview WebSockets when leaving targets tab
- Add error toasts to loadCaptureTemplates and saveKCBrightness
- Skip auto-refresh polling when document is hidden
- Widen auto-start dashboard cards for better text display
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>