axiom▌

The Human Interface Guidelines (HIG) define Apple's design philosophy and provide concrete guidance for creating intuitive, accessible, platform-appropriate experiences across all Apple devices.

Comprehensive guide to SwiftUI's animation system, from foundational concepts to advanced techniques. This skill covers the Animatable protocol, the iOS 26 @Animatable macro, animation types, and the Transaction system.

You MUST use this skill for ANY iOS UI work including SwiftUI, UIKit, layout, navigation, animations, and design.

You MUST use this skill for ANY concurrency, async/await, threading, or Swift 6 concurrency work.

Type-safe SQLite persistence using SQLiteData (pointfreeco/sqlite-data) by Point-Free. A fast, lightweight replacement for SwiftData with CloudKit synchronization support, built on GRDB (groue/GRDB.swift) and StructuredQueries (pointfreeco/swift-structured-queries).

You MUST use this skill for ANY testing-related question, including writing tests, debugging test failures, making tests faster, or choosing between testing approaches.

Guides you through implementing camera capture: session setup, photo capture, video recording, responsive capture UX, rotation handling, and session lifecycle management.

Check build environment BEFORE debugging code. Core principle 80% of "mysterious" Xcode issues are environment problems (stale Derived Data, stuck simulators, zombie processes), not code bugs.

Use this skill when:

Comprehensive guide to new SwiftUI features in iOS 26, iPadOS 26, macOS Tahoe, watchOS 26, and visionOS 26. From the Liquid Glass design system to rich text editing, these enhancements make SwiftUI more powerful across all Apple platforms.