- Implement `handleWheelAt` to restrict wheel scrolling to the settings pane.
- Update selection movement to support clamping when scrolling at boundaries.
- Add tests to verify boundary behavior and spatial constraints.
- Added `SettingsList` section-focus state with `sectionFocused`, `hasSectionFocusTargets`, and `toggleSectionFocus()`.
- Implemented section-heading navigation with Tab/Shift+Tab, Up/Down focus jumps, and Enter/Escape exits.
- Updated `/settings` input hints and fallback routing to tab-bar keys when section focus is unavailable.
- Added tests for section-focus navigation, mouse parsing, and tab-bar behavior coverage.
- Added mouse hover, wheel, and click routing for `/settings` rows and tabs.
- Changed `/settings` to open as a fullscreen alternate-screen overlay.
- Added hover, hit-testing, and wheel APIs across TabBar, SelectList, and SettingsList.
- Added SGR mouse parsing plus `routeMouse` dispatch and exported it from the `tui` entrypoint.
- Added type-to-search filtering across setting labels, IDs, values, and descriptions.
- Preserved selected item focus by ID when replacing settings during an active filter.
- Displayed search status, empty-filter hints, and no-match messaging while searching.
- Updated Escape handling to clear an active query before cancelling the list.
- Applied selection and navigation to filtered items to keep behavior consistent under search.
roboomp