- Create SetupCard component with name, item count, weight, cost display
- Build setups list page with inline create form and grid layout
- Build setup detail page with category-grouped items and sticky totals bar
- Create ItemPicker component in SlideOutPanel with category-grouped checkboxes
- Add onRemove prop to ItemCard for non-destructive setup item removal
- Setup detail has delete confirmation dialog with collection safety note
- Empty states for both setup list and setup detail pages
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>