Add vinyl configurator feature and admin sync from balloons-shop
- vinyl-config route + data file for shape/font/pricing config
- CatalogItem: vinylEnabled, vinylPromo fields
- ItemOverride: vinylEnabled, vinylPromo fields
- catalog route: applies vinylEnabled/vinylPromo overrides
- ColorPicker: full vinyl configurator UI (shape picker, text/font, pricing)
- CartContext: vinyl cart fields (vinylText, vinylFontId, vinylShape, etc.)
- CartDrawer: vinyl line items flatMap (shape balloon + custom vinyl service)
- admin/items route: synced more-complete version from balloons-shop
- admin page: vinyl configurator and promo note checkboxes in ItemEditor
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
chris
1dc8a087b6