Build iOS apps using Swift 6 and iOS 18+ best practices. This skill ensures code uses modern patterns: SwiftData (not Core Data), Observation framework (not Combine), Swift concurrency (not GCD), and current SwiftUI APIs.
Swift 6 Concurrency First Always use Swift concurrency (async/await, actor, @MainActor) instead of GCD or completion handlers. Use structured concurrency (TaskGroup, async let) over unstructured tasks.
Observation Framework Over Combine Use @Observable macro for state management instead of ObservableObject with @Published. The Observation framework is more efficient and has cleaner syntax.
Swift 6, iOS 18+, SwiftUI, SwiftData 및 최신 동시성 패턴을 사용하여 iOS 앱을 구축하기 위한 가이드입니다. Swift/iOS 코드 작성, 앱 아키텍처 설계 또는 레거시 패턴 현대화 시 사용합니다. Core Data, ObservableObject, DispatchQueue 및 NavigationView와 같은 오래된 패턴을 방지합니다. 출처: fal3/claude-skills-collection.