- Add swipe-left gesture to open explorer sidebar on mobile
- Implement Changes (git diff) and Files tabs with toggle
- Add responsive gallery columns based on container width
- Handle hardware back button to close sidebar first
- Add gesture conflict resolution for horizontal scroll in diffs
- Add resize handle with cursor change on desktop
- Add sorting selector (name, modified, size) in file explorer
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
