axiom-grdb

#### Latest (WWDC 2025 Updates)

• SwiftUI 26 Features — Comprehensive guide to iOS 26 SwiftUI: Liquid Glass, WebView, AttributedString rich text, @Animatable macro, 3D charts, scene bridging, and more
• SwiftUI Performance Enhancements — iOS 26 framework improvements: 6x/16x faster lists, improved scrolling, nested ScrollView optimization
• Liquid Glass APIs — New iOS 26 APIs: .glassBackgroundEffect(), toolbar spacers, bottom-aligned search, search tab role
• App Intents Integration — Siri, Apple Intelligence, Shortcuts, Spotlight integration with WWDC 2025-260 guidance

#### Recent Skills

• Energy Optimization — Power Profiler workflows, subsystem diagnosis (CPU/GPU/Network/Location/Display), anti-pattern fixes for battery drain
• Accessibility Audit & Debugging — Comprehensive WCAG compliance scanning, VoiceOver testing, Dynamic Type support, color contrast validation
• Realm to SwiftData Migration — Migrate before Device Sync sunset (Sept 30, 2025) without losing user data or breaking threading patterns
• SwiftUI Debugging — Solve intermittent view updates and preview crashes with diagnostic decision trees

• plugins/ - Claude Code plugins for iOS development workflows
• docs/ - VitePress documentation site
• scratch/ - Local development files (not tracked in git)
• notes/ - Personal notes (not tracked in git)

Prerequisites

• macOS 15+ (Sequoia or later)
• Claude Code ([download here](https://claude.ai/download))
• Xcode 26+ (for Liquid Glass, Recording UI Automation, and latest iOS features)
• iOS 26 SDK (comes with Xcode 26)

Installation

In Claude Code, run:

```

/plugin marketplace add CharlesWiltgen/Axiom

```

Then search for "axiom" in the /plugin menu and install.

Verify Installation

Use /plugin and select "Manage and install" to see installed plugins. Axiom should be listed.

Using Skills

Skills are automatically suggested by Claude Code based on your questions and context. Simply ask questions that match the skill's purpose:

#### Examples

• "I'm getting BUILD FAILED in Xcode" → activates axiom-xcode-debugging
• "How do I fix Swift 6 concurrency errors?" → activates axiom-swift-concurrency
• "I need to add a database column safely" → activates axiom-database-migration
• "My app has memory leaks" → activates axiom-memory-debugging
• "My app drains battery quickly" → activates axiom-energy
• "Help me migrate from Realm to SwiftData" → activates realm-to-swiftdata-migration

UI & Design

#### axiom-liquid-glass

Apple's new material design system for iOS 26+. Comprehensive coverage of Liquid Glass visual properties, implementation patterns, and design principles.

#### Key Features

• Expert Review Checklist — 7-section validation checklist for reviewing Liquid Glass implementations (material appropriateness, variant selection, legibility, layering, accessibility, performance)
• Regular vs Clear variant decision criteria
• Layered system architecture (highlights, shadows, glow, tinting)
• Troubleshooting visual artifacts, dark mode issues, performance
• Migration from UIBlurEffect/NSVisualEffectView
• Complete API reference with code examples

When to use Implementing Liquid Glass effects, reviewing UI for adoption, debugging visual artifacts, requesting expert review of implementations

Requirements iOS 26+, Xcode 26+

Command /audit-liquid-glass for quick automated codebase scanning

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#### axiom-swiftui-performance

Master SwiftUI performance optimization using the new SwiftUI Instrument in Instruments 26.

#### Key Features

• New SwiftUI Instrument walkthrough (4 track lanes, color-coding, integration with Time Profiler)
• **Cause &