- Create useProductStore with Zustand for state management - Enrich client.js with all API functions (CRUD, scrape) - Connect HomePage to store with loading/error states - Add ProductCard with scrape/delete actions - Add ProductGrid component - Add AddProductModal with URL extraction - Update Header with refresh and scrape all buttons - Add comprehensive styles for cards and modal Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>