Test and ship for iPhone Duo: duo-migrate (moving an app that ships today to Xcode 27.1 and the scene life cycle), duo-app-store (Duo App Store screenshots, review notes and the April 2027 rules), duo-performance (what each fold costs, with duo-fold-cost, and hitches per pose), duo-lint (the fold linter), an opt-in lint hook, tests on the Duo simulator, screenshots closed, open, in book pose and in tabletop (duo-pose-matrix), /duo-audit, /duo-poses, /duo-ship (the App Store checklist) and the duo-pose-tester agent (reads pose runs, reports each failure).
6 skills · 3 commands · 1 agent · hooks
Design for iPhone Duo: design tokens, eight layout patterns, every pose, fold transitions, ergonomics, accessibility, two people on one screen, and a 15-point review of screenshots and Figma frames. Adds the duo-design-reviewer agent and /duo-review.
8 skills · 1 command · 1 agent
App recipes for iPhone Duo. /duo-new creates a project that builds and runs on the iPhone Duo simulator. Recipes: a two-player game, a finance dashboard, a media player, a reader, a shop, a learning app for young children, notes with on-device AI summaries and a camera studio.
8 skills · 1 command
iOS 27 features on iPhone Duo's two displays: Foundation Models, App Intents, the camera, media, reading, games, the iOS 27 SwiftUI changes, and widgets, Live Activities and Controls.
8 skills
Foundation for iPhone Duo apps: Xcode 27.1 and simulator setup, layout across the fold, vertical bars, state that survives fold and unfold, and scenes and windows. Adds /duo-doctor.
6 skills · 1 command