# Add End-to-End Testing with Playwright
This PR adds comprehensive end-to-end testing capabilities using Playwright to ensure the application's core functionality works as expected.
## Key Changes:
- Implemented Playwright for automated browser testing
- Added test scripts for core functionality:
- QR code creation and customization
- QR code scanning from file uploads
- Config saving and loading
- Batch export functionality
- Visual regression testing with snapshots
## Testing Details:
- Tests verify that:
- QR codes can be created with various settings
- Generated QR codes can be scanned correctly
- Configuration can be saved and loaded
- Batch export works with CSV files
- UI elements behave correctly (disabled/enabled states)
## Development Notes:
- Added `test:e2e` npm script to run the tests
- Updated `.gitignore` to exclude Playwright test results
- Added detailed testing documentation to CONTRIBUTING.md
- Included test fixtures and baseline snapshots for visual regression testing
The tests provide a safety net for future development and help ensure the application remains stable as new features are added.
