iPad Patterns Comprehensive guide for iPadOS-specific development patterns. Covers multitasking (Stage Manager, Split View, Slide Over), multi-window support, drag and drop, keyboard shortcuts, pointer interactions, Apple Pencil, and external display support. These patterns differentiate an iPad-optimized app from a scaled-up iPhone app. When This Skill Activates - User is building or reviewing iPad-specific features - User asks about Stage Manager, multi-window, or UIScene lifecycle - User needs drag and drop (NSItemProvider, Transferable, UIDragInteraction) - User wants keyboard shortcuts o…