Replace deprecated webextension-toolbox with modern WXT framework for improved developer experience and active maintenance. This migration addresses the issue where webextension-toolbox hasn't been updated in 4 years.
Key changes:
- Replace webextension-toolbox with WXT framework
- Restructure project to use entrypoints/ and public/ directories
- Convert background/content scripts to WXT format with defineBackground/defineContentScript
- Add wxt.config.ts for centralized configuration
- Migrate all 11 languages i18n support to new structure
- Update build scripts and dependencies
- Remove deprecated manifest.json (now auto-generated)
- Fix TypeScript configuration to extend WXT types
Benefits:
- Active framework with regular updates
- Better development experience with HMR and Vite integration
- Smaller bundle size and improved build performance
- Modern toolchain with TypeScript-first approach
- Unified cross-browser extension development
