Navigation Patterns Comprehensive guide for SwiftUI navigation architecture on iOS, iPadOS, and macOS. Covers the modern navigation APIs (iOS 16+/macOS 13+) with patterns for common and advanced use cases. When This Skill Activates - User is building or reviewing navigation architecture - User has navigation-related bugs (stack not updating, back button issues, state loss) - User asks about NavigationStack, NavigationSplitView, TabView, or NavigationPath - User needs programmatic navigation (push, pop, pop-to-root) - User is implementing deep linking that connects to navigation - User asks ab…