- Implement MailRootView with navigation and sidebar for mail management.
- Create MailSidebarView, ThreadListView, and ThreadDetailView for displaying mail content.
- Introduce ComposeView for composing new messages.
- Add MailTheme for consistent styling across mail components.
- Implement adaptive layouts for iOS and macOS.
- Create unit tests for AppNavigationCommand and AppViewModel to ensure correct functionality.
Jürgen Kunz
ad059e9b8d