Reference
Comprehensive guides and documentation for Apple platform development. Reference skills provide detailed information without enforcing specific workflows.
Reference Skills
| Skill | Description |
|---|---|
| liquid-glass-ref | Comprehensive Liquid Glass adoption guide — app icons, controls, navigation, menus, windows, search, platform considerations |
| realm-migration-ref | Complete migration guide from Realm to SwiftData — pattern equivalents, threading models, schema strategies, CloudKit sync transition |
| network-framework-ref | Comprehensive Network.framework API reference — NWConnection (iOS 12-25), NetworkConnection (iOS 26+), TLV framing, Coder protocol, migration strategies |
| swiftui-26-ref | All iOS 26 SwiftUI features — Liquid Glass, @Animatable macro, WebView, rich text, 3D charts, spatial layout, scene bridging |
| app-intents-ref | App Intents framework for Siri, Apple Intelligence, Shortcuts, Spotlight — AppIntent, AppEntity, parameters, queries, debugging |
| avfoundation-ref | AVFoundation audio APIs — AVAudioSession, AVAudioEngine, bit-perfect DAC output, iOS 26+ spatial audio capture, ASAF/APAC, Audio Mix |
| foundation-models-ref | Apple Intelligence Foundation Models framework — LanguageModelSession, @Generable, streaming, tool calling, context management (iOS 26+) |
| swiftui-layout-ref | Complete SwiftUI adaptive layout API guide — ViewThatFits, AnyLayout, Layout protocol, onGeometryChange, size classes, iOS 26 window APIs |
Diagnostic Skills
| Skill | Description |
|---|---|
| accessibility-diag | VoiceOver, Dynamic Type, color contrast, touch targets — WCAG compliance with App Store rejection defense |
| core-data-diag | Schema migrations, thread-confinement, N+1 queries — Core Data diagnostics with production crisis defense |
| networking-diag | Connection timeouts, TLS failures, data arrival issues — Network.framework diagnostics with production crisis defense |
| foundation-models-diag | Context exceeded, guardrail violations, slow generation — Foundation Models diagnostics with production crisis defense |
Quality Standards
All reference skills are reviewed against 4 criteria:
- Accuracy — Every claim cited to official sources, code tested
- Completeness — 80%+ coverage, edge cases documented, troubleshooting sections
- Clarity — Examples first, scannable structure, jargon defined
- Practical Value — Copy-paste ready, expert checklists, real-world impact
Diagnostic skills add mandatory workflows and pressure scenario defense for production crisis situations.
Related Resources
- Skills — Discipline-enforcing TDD-tested workflows
- Commands — Quick automated scans
- WWDC 2025 Sessions