- Add Ruby version and Fastlane setup (Gemfile, fastlane/, .ruby-version) for iOS automation and CI/CD
- Add and update Xcode schemes and project configuration
- Update entitlements and Info.plist for app and extension
- Refactor PhoneTabView: improve navigation in 'More' tab, prevent unwanted jumps, preserve deep navigation for Tags/Search
- Update KeychainHelper, BookmarkDetail model, and related ViewModels for bugfixes or enhancements
- Various UI and logic improvements in BookmarkDetail and Search views
