Can I vibe code AppMySite?

Create a cross-platform mobile app in Flutter (or React Native) that acts as a native mobile storefront for an existing e-commerce backend (Shopify GraphQL Storefront API or WooCommerce REST API v3).

1. System Architecture & API Integration:
- Build an API abstraction layer connecting directly to the store backend.
- Fetch category trees, paginated product lists, product variants, images, prices, and stock status.
- Implement local caching using Hive or AsyncLocalStorage so product catalogs load instantly offline.

2. User Interface & State Management:
- Design a clean modern mobile layout: Home tab (featured banners, top categories, recent products), Shop tab (category navigation, search bar, sorting/filtering sheet), Cart tab, and Profile tab.
- Use Provider, Riverpod, or Redux for global cart state management (add item, select variant options, adjust quantity, recalculate subtotal).

3. Authentication & Cart Checkout Flow:
- Store customer OAuth tokens securely using Native Keychain / SecureStorage.
- For checkout, launch an authenticated in-app WebView (SFSafariViewController / Custom Tabs) pointing to the store's web checkout URL, passing cart items and session token to bypass Apple/Google native digital purchase fees for physical goods.
- Capture success/cancel redirects from the checkout webview to clear local cart state and present order confirmation.

4. Push Notifications & Analytics:
- Integrate Firebase Cloud Messaging (FCM) and APNs for remote push notifications.
- Request notification permissions on app launch and store device registration tokens via a lightweight backend endpoint or Webhook.
- Implement deep-linking handling (URL scheme and Universal Links) so tapping a push notification routes directly to specific product screens.

5. Robustness & Error Handling:
- Handle poor network connectivity gracefully with retry mechanisms and skeleton UI loaders.
- Exclude native Apple/Google digital In-App Purchase logic to comply with Apple App Store Review Guideline 3.1.5 for physical e-commerce goods.

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