- CategoryPicker combobox with search, select, and inline create
- SlideOutPanel with backdrop, escape key, and slide animation
- ItemForm with all fields, validation, dollar-to-cents conversion
- Root layout with TotalsBar, panel, confirm dialog, and floating add button
- Collection page with card grid grouped by category, empty state
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
