- Clarify localStorage-only preferences (no server persistence)
- Expand category tiles including future ones (weather, sports, crypto)
- Define filter UI options with query params (time range, result type)
- Add mobile breakpoints and collapse behavior
- Reduce quick popover to theme + engines only
- Rename Preferences Sidebar to Preferences Nav
- Add results count format specification
- Add sticky positioning CSS for left sidebar
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
