swiftui-expert-skill

Expert SwiftUI code review, refactoring, and implementation guidance with iOS 26+ and macOS support. Trigger when the user asks to "record a trace", "profile the app", "capture a session", etc. Full reference: references/trace-recording.md . Trigger whenever the user's request references a .trace file. A target SwiftUI source file is optional — if given, cite specific lines; if not, recommend where to look based on view names and symbols the trace already reveals. Full reference: references/trace-analysis.md . Summary of the composition pattern: Consult the reference file for each topic relevant to the current task: These are hard rules -- violations are always bugs: - Covers state management, view composition, performance optimization, and modern SwiftUI patterns across iOS 15+ through iOS 26+ - Flags deprecated APIs and suggests modern replacements; gates version-specific features with #available and fallbacks - Addresses lists, layouts, animations, accessibility, Swift Charts, and platform-specific patterns (macOS scenes, Liquid Glass) - Enforces correctness rules for property wrappers, ForEach identity, and view diffing; presents performance improvements as optional suggestions - Consult references/latest-apis.md at the start of every task to avoid deprecated APIs - Prefer native SwiftUI APIs over UIKit/AppKit bridging unless bridging is necessary - Focus on correctness...