- Add expand button to TaskCard for opening task detail modal on mobile
- Implement CSS scroll-snap on board columns for swipe-friendly navigation
- Add touch-action and overscroll-behavior styles for smoother mobile scrolling
- Add comprehensive tests for mobile scroll snap behavior and expand button
- Document expand button and swipe-friendly board behavior in README
- Change scroll-snap-align from start to center on columns (desktop and mobile)
- Add scroll-snap-type: x proximity and scroll-padding-inline on desktop .board
- Add scroll-padding-inline: calc(50% - 140px) in mobile media query
- Restructure scroll-snap tests into desktop and mobile describe blocks
- Update all test assertions to expect center alignment instead of start
- Add scroll-snap-type: x mandatory to .board in ≤768px media query
- Set scroll-snap-align: start and flex-shrink: 0 on .column for swipe navigation
- Enable -webkit-overflow-scrolling: touch for smooth iOS scrolling
- Add mobile-scroll-snap test suite asserting snap rules inside @media block
