swiftui-agent-skill

Use when writing, reviewing, or refactoring SwiftUI code for iOS or macOS, including state and @Observable data flow, view composition, resizable layouts, safe areas, display scale, performance, lists, environment, localization, animation, Liquid Glass, and API migration. Also use for iPhone Duo, foldable, or large-display layouts (NavigationSplitView on large displays, iPhone tab sidebar, two-column reflow, foldable grids, ArrangementView, ReservedRegion), hinge effects, vertical bars, @State initialization or synthesized-property diagnostics, @ContentBuilder ambiguity, reorderable drag/drop, custom AsyncImage URLSession, swipe actions outside List, item-bound alert/confirmationDialog, ToolbarOverflowMenu, AnimatableValues, Document APIs (Document/DocumentReader), and Instruments .trace capture or analysis.

Scan Apple's SwiftUI documentation for deprecated APIs and update the SwiftUI Expert Skill with modern replacements. Use when asked to "update latest APIs", "refresh deprecated SwiftUI APIs", "check for new SwiftUI deprecations", "scan for API changes", or after a new iOS/Xcode release. Requires the Sosumi MCP to be available.