Directory Structure

src/
├── components/
│   ├── conversations/     # Chat and messaging components
│   ├── calls/             # Voice/video calling components
│   ├── groups/            # Group management components
│   ├── users/             # User management components
│   └── login/             # Authentication components
├── config/
│   ├── store.ts           # Zustand store for configuration
│   └── config.json        # Default configuration template
├── navigation/            # App navigation setup
├── utils/                 # Helper utilities and constants
└── assets/                # Icons, images, and fonts

config/
├── store.ts      # Zustand store managing Builder settings state
└── config.json   # Default configuration with all feature toggles

components/
├── conversations/     # Conversation list, message threads, chat UI
├── calls/             # Call screens, call logs, call controls
├── groups/            # Group list, group details, member management
├── users/             # User list, user profiles, presence indicators
└── login/             # Login screen, authentication flow

navigation/
├── AppNavigator.tsx   # Main navigation stack
├── TabNavigator.tsx   # Bottom tab navigation
└── types.ts           # Navigation type definitions

utils/
├── AppConstants.tsx   # CometChat credentials (APP_ID, AUTH_KEY, REGION)
└── helpers.ts         # General utility functions

assets/
├── icons/             # App icons and UI icons
├── images/            # Illustrations and backgrounds
└── fonts/             # Custom font files

ios/
├── YourApp/
│   ├── AppDelegate.mm     # iOS app delegate
│   ├── Info.plist         # iOS app configuration
│   └── Resources/
│       └── Fonts/         # iOS font files
└── Podfile                # CocoaPods dependencies

android/
├── app/
│   ├── src/main/
│   │   ├── AndroidManifest.xml   # Android app manifest
│   │   ├── assets/
│   │   │   └── fonts/            # Android font files
│   │   ├── java/                 # Native Android code
│   │   └── res/                  # Android resources
│   └── build.gradle              # App-level Gradle config
├── build.gradle                  # Project-level Gradle config
└── settings.gradle               # Gradle settings