- Expand from 418 to 3817 lines with detailed item definitions across grocery, pharmacy, hardware, technology, clothing, home, pets, auto, leisure, cleaning, gifts, and office domains
- Add extensive French item names with English aliases for bilingual search support
- Include emoji icons, color codes, sort orders, and tags for all domains, categories, and items
- Add specialized
- Add `ShoppingDomainEntity`, `CategoryEntity`, `CatalogItemEntity`, `ItemCategoryCrossRef` tables to database
- Increment database version to 8 with migration from v7
- Create `CatalogDao` with queries for domains, categories, items, and search
- Implement `CatalogSeedManager` to parse and insert JSON seed data on first launch
- Add catalog navigation routes