app-extensions

# App Extensions Generator Generate production app extension infrastructure -- Share Extensions for receiving content from other apps, Action Extensions for manipulating content in-place, Keyboard Extensions for custom input, and Safari Web Extensions for browser integration. Includes App Group data sharing between the host app and extensions. ## When This Skill Activates Use this skill when the user: - Asks to "add a share extension" or "share sheet extension" - Wants to "receive content from other apps" or "accept shared content" - Mentions "action extension" or "content manipulation extension" - Wants to "add a custom keyboard" or "keyboard extension" - Asks about "Safari extension" or "Safari web extension" - Mentions "app extension" or "extension target" generically - Wants to "share data between app and extension" or "App Groups" ## Pre-Generation Checks ### 1. Project Context Detection - [ ] Check deployment target (iOS 16+ / macOS 13+) - [ ] Check Swift version (requires Swift 5.9+) - [ ] Identify project structure (find .xcodeproj or Package.swift) - [ ] Identify source file locations ### 2. Existing Extension Detection Search for existing extension targets: ``` Glob: **/*Extension*/*.swift, **/*Extension*/Info.plist Grep: "NSExtensionPointIdentifier" or "NSExtensionPrincipalClass" ``` If existing extensions found: - Ask if user wants to add another or modify existing - Identify existing App Groups configuration ### 3. App Groups Detection Check for existing ...