Introduce GlobalLoadingCenter with reference counting, wire it through RootView and major auth/order/profile screens, and add the loading animation asset plus unit tests.
Co-authored-by: Cursor <cursoragent@cursor.com>
Introduce real payment collection and wallet screens to replace home menu placeholders, wire APIs through RootView, and support bank card OSS uploads plus QR code saving to the photo library.
Co-authored-by: Cursor <cursoragent@cursor.com>
