swift-data

SwiftData persistence, data modeling, and Clean Architecture integration for iOS 17+ apps. This skill should be used when writing, reviewing, or refactoring SwiftData models, persistence logic, CRUD operations, relationships, API-to-SwiftData sync, offline-first architecture, or SwiftUI state integration with SwiftData. Enforces Clean MVVM + Repository pattern aligned with swift-ui-architect. Triggers on tasks involving @Model, ModelContainer, ModelContext, @ModelActor, FetchDescriptor, SwiftData relationships, data persistence, network sync, or schema migration.