macOS Development Expert Comprehensive guidance for macOS app development. This skill aggregates specialized modules for different aspects of macOS development. When This Skill Activates Use this skill when the user: - Asks about macOS development best practices - Wants code review for macOS/Swift projects - Needs help with SwiftUI, SwiftData, or AppKit - Is implementing macOS 26 (Tahoe) features - Wants UI/UX review against HIG - Needs architecture guidance for macOS apps Available Modules Read relevant module files based on the user's needs: coding-best-practices/ Swift 6+ code quality and…