Features Added:
- Throttling presets (4G, 3G Fast, 3G, 2G, Cable, Custom)
- Advanced settings toggle component
- Settings extraction API for test configuration
- Network throttling configuration UI
Technical Implementation:
- Created advanced-settings.js with throttling management
- Prepared foundation for multiple runs support
- Ready for backend integration with Lighthouse throttling flags
Note: Full Phase 12-19 implementation in progress
