âââ app/
â Expo Router pages
â âââ (tabs)/
â Tab navigation screens
â âââ _layout.tsx
â Root layout with providers
â âââ login.tsx
â Login screen
â âââ +not-found.tsx
â 404 page
âââ components/
â React components
â âââ ui/
â Reusable UI components
âââ config/
â App configuration
â âââ env.ts
â Environment variables
âââ constants/
â App constants
â âââ Colors.ts
â Theme colors
âââ contexts/
â React contexts
â âââ AuthContext.tsx
â Auth state management
âââ lib/
â Utilities & helpers
â âââ api.ts
â API client wrapper
âââ assets/
â Images, fonts, etc.
âââ app.json
â Expo configuration
âââ package.json
â Dependencies