- Add localization keys for "open_url" and "open_original_page" in EN/DE
- Create URLUtil.openUrlLabel() helper function for consistent formatting
- Replace incorrect string concatenation with proper localized labels
- Fix: "example.comopen" now displays as "Open example.com" (EN) or "example.com öffnen" (DE)
- Update BookmarkDetailLegacyView, BookmarkDetailView2, and BookmarkCardView
- Delete NetworkConnectivity.swift with problematic NWPathMonitor
- Remove serverDidBecomeAvailable notification
- Remove unused startAutoSync from OfflineSyncManager
- Server check now only on app start via AppViewModel
- Move and replace utility files (SafariUtil, SpeechQueue, StringExtensions, TTSManager, VoiceManager)
- Refactor and extend SpeechPlayer components (UI, progress, volume, queue)
- Improved state and EnvironmentObject management (PlayerUIState)
- UI and logic optimizations in menu and tab views
- Remove obsolete and duplicate files
- General code and UX improvements