home.dart + desktop/mobile navigation, carousels, index content widgets, customers_logo, appbar_menu, navigation_drawer, MobileBottomNav, double_back. Fixes: Key? params, nullable State fields, Scrollbar thumbVisibility, ModalRoute.of()?, badges hide Badge, cartInfos local promotion.
- Drop stripe_payment + stripe_sdk deps; delete stripe pay pages/widgets - New ETransferPay widget: shows payment@wisetronic.com + R#<orderId> remark - goPayment stripe/native branches now route to e-Transfer - pay_now widgets: strip saved-cards section & dead nativePay logic - my_cards pages rewritten as e-Transfer info (route kept) - models/utils/constants cleaned of stripe; env constraint -> Dart 3 See UPGRADE_NOTES.md. (Null-safety migration is Phase 3; deps upgrade Phase 2.)
