swiftui-expert-skill

Use when writing, reviewing, or refactoring SwiftUI code for iOS or macOS, including state management and `@Observable` data flow, view composition and invalidation/performance, lists and `ForEach` identity, environment usage, localization, animations, Liquid Glass adoption, migrating soft-deprecated APIs, or Instruments `.trace` capture/analysis for hangs, hitches, CPU hotspots, or excessive view updates.

1.16x

Quality

92%

Does it follow best practices?

Impact

92%

1.16x

Average score across 2 eval scenarios

Securityby

Passed

No known issues

Evaluation results

88%

Add Favorites Feature to Recipe App

iOS 17+ @Observable data flow for new feature code

Criteria

Without context

With context

@Observable not ObservableObject

100%

@MainActor on model

@ObservationIgnored on wrappers

100%

@State not @StateObject for owned model

100%

@State is private

100%

@Bindable for injected observable

100%

let for read-only child param

50%

100%

No @State/@StateObject for passed value

100%

No NavigationView refactor

100%

Equatable for toggle type

100%

96%

21%

Daily Tasks Dashboard

Localized accessible SwiftUI list view

Criteria

Without context

With context

Direct string literals

88%

String interpolation

100%

Translation comment

100%

Locale-aware date format

100%

Leading/trailing alignment

100%

Baked casing

100%

Button for tap

100%

Dedicated accessibility modifiers

100%

ScaledMetric for sizes

62%

Decorative icon hidden

100%

ForEach stable identity

100%

Unary list rows

100%

Repository: AvdLee/SwiftUI-Agent-Skill
Commit: f06d143

Evaluated: 8 days ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Add Favorites Feature to Recipe App Daily Tasks Dashboard

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