✨ Features:
- Added show_in_leaderboard column to players table (default: false)
- Replaced Quick Actions with Settings section in dashboard
- Added toggle switch for leaderboard visibility
- Created settings modal with privacy controls
🔧 API Changes:
- Added /api/v1/private/update-player-settings endpoint
- Updated best-times queries to filter by show_in_leaderboard
- Updated times-with-details to respect privacy settings
- Added updated_at column to players table
🎨 UI/UX:
- Modern toggle switch design
- Responsive settings modal
- Success/error notifications
- Clear privacy explanation
🔐 Privacy:
- Default: Times are NOT shown in global leaderboard
- Users can opt-in via settings
- Personal dashboard always shows own times
- Global leaderboard only shows opted-in users
