- Add guard checks in AppViewModel to prevent sync when hasFinishedSetup is false
- Share Extension now shows friendly UI when app not configured or session expired
- Check token existence via KeychainHelper instead of attempting API calls
- Improve 401 error messages: "Session expired. Please log in via the Readeck app."
- Replace #if DEBUG with BuildEnvironment.isDebugBuild for runtime checks
- Enable Debug Menu in both DEBUG and TestFlight builds
- Replace print() statements with Logger.sync/Logger.viewModel
- Move font settings to dedicated detail screen with larger preview
- Add inline explanations directly under each setting
- Reorganize sections: split General into Reading Settings and Sync Settings
- Combine Legal, Privacy and Support into single section
- Move "What's New" to combined Legal/Privacy/Support section
- Redesign app info footer with muted styling and center alignment
- Remove white backgrounds from font preview for better light/dark mode support
