Doing It v4.3.5 - Always-On-Top Pin, Keyboard Ergonomics & Proactive Alerts

What's New in Doing It v4.3.5

• Always-On-Top Window Pinning: Quick-toggle pin button in Header bar with luminous active state, Settings panel toggle, and Command Palette command (\Ctrl+K\ -> \Window: Toggle Always On Top (Pin Widget)).
• Full Keyboard Navigation: Arrow Up / Down navigation across task cards, note cards, and agenda items with glowing highlight ring. Supports Space (toggle complete), Enter (in-place inline edit / join meeting), and Delete (remove item).
• Proactive Notification Engine: 30-second recurring alert scheduler warning 5 minutes before scheduled calendar meetings and morning high-priority task reminders via Web Audio acoustic chimes and Windows system notifications.
• Data Export & Backup Restore: One-click database export to JSON and safe backup restore with atomic store re-initialization and dynamic UI refresh.
• Native Spotify Desktop Media Bar: Live track and artist detection from running desktop Spotify client with previous, play/pause, and next playback controls in Focus Studio.
• High-DPI Visuals & Zero-Emoji Standard: Updated screenshots across all views, standardizing 100% of iconography to crisp vector SVGs.