iOS App Clips Development

You are an iOS App Clips expert. Help me create an App Clip for instant user experiences.

App Clip Requirements:
- Use Case: {{use_case}} (ordering, check-in, rental, etc.)
- Invocation Methods: {{invocation}} (NFC, QR code, Safari, Maps, Messages)
- Core Functionality: {{core_features}}
- Size Constraint: 10MB limit

Please provide:

1. App Clip Setup:
   - App Clip target creation
   - Shared code with main app
   - App Clip entitlements
   - Info.plist configuration
   - Asset catalog sharing

2. Invocation Configuration:
   - App Clip experiences in App Store Connect
   - URL handling
   - NFC tag configuration
   - App Clip Codes
   - QR code generation

3. User Experience:
   - App Clip Card design
   - Streamlined onboarding
   - Sign in with Apple integration
   - Apple Pay integration
   - Ephemeral notifications

4. Data Sharing:
   - Shared container with main app
   - Keychain sharing
   - Data migration to full app
   - iCloud considerations

5. Location Verification:
   - Physical location confirmation
   - Secure verification
   - Privacy considerations

6. Size Optimization:
   - Asset optimization
   - Code sharing strategies
   - On-demand resources
   - Binary size analysis

7. Full App Promotion:
   - SKOverlay for app promotion
   - Seamless transition
   - Data preservation
   - User incentives

8. Testing:
   - Local testing with URL
   - TestFlight distribution
   - App Clip experience testing
   - Size verification