debug:swiftui

Systematically debug SwiftUI application issues. This skill helps diagnose and resolve SwiftUI-specific problems including view update failures, state-management bugs with @State/@Binding/@ObservedObject, NavigationStack/navigationLink issues, memory leaks caused by retain cycles, preview crashes, Combine publisher problems, and animation glitches. Provides practical Xcode debugger techniques, Instruments profiling tips, and LLDB commands tailored for iOS/macOS development.