- Rewrite StoreList.razor with real data from PosDataService
- Rewrite StoreDetail.razor with real shop data from BFF
- Rewrite StoreSettings.razor with editable form bound to real data
- Add GetShopByIdAsync to PosDataService and BFF endpoint
- Add UpdateShopAsync to MerchantApiService
- Add ShopUpdateDto to MerchantDtos
- Fix BFF DB connection: configurable via env vars (BFF_DB_HOST)
- Add BFF_DB env vars to docker-compose.yml