Newly Added
- Lightbox edge navigation chevrons – mouse-driven browsing with wrap-around between the first and last assets
- In-lightbox keyboard shortcut panel (press ?) documenting all navigation, zoom, and view controls
- Modifier-assisted wheel panning in image-only view – Shift+scroll or a horizontal trackpad swipe pans sideways, Option/Alt+scroll pans vertically, while scroll and pinch-to-zoom continue to zoom
Improvements
- Full keyboard accessibility for the lightbox – focus moves into the dialog on open, Tab cycles through visible controls without escaping to the page behind, and focus returns to the originating element on close
- Image-only view toggle moved from Tab to I, restoring native Tab behavior
- Image navigation now prefers already-cached asset URLs, eliminating a redundant second download when browsing selections
- Expanded automated test coverage across lightbox navigation, zoom, image loading, and focus behavior
Bug Fixes
- Fixed wheel zoom becoming unresponsive after navigating between assets in image-only view
- Fixed horizontal trackpad gestures being misread as zoom-out when no vertical scroll delta was present
- Fixed keyboard focus leaking to the background page after pressing Escape inside a lightbox text field

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