Pstuart

Expertise in SwiftUI for building declarative user interfaces, including SF Symbols integration and best practices.

Complete iOS/macOS/watchOS/tvOS development using native xcodebuild, xcrun simctl, and xcrun devicectl commands. Build, run, test apps on simulators and physical devices. UI automation, screenshots, video capture, log capture, Swift Package Manager. No MCP server required.

Best practices for implementing accessibility features in iOS apps, including VoiceOver support, Dynamic Type, and Human Interface Guidelines compliance.

Comprehensive guide to Fastlane automation for iOS and Android app deployment. Use when helping with mobile app releases, code signing, screenshots, TestFlight, App Store Connect, Google Play Store, beta distribution, CI/CD pipelines, or any Fastlane actions/lanes. Covers gym, match, pilot, deliver, supply, snapshot, screengrab, and 100+ other actions.

Guide for building iOS apps using Swift 6, iOS 18+, SwiftUI, SwiftData, and modern concurrency patterns. Use when writing Swift/iOS code, designing app architecture, or modernizing legacy patterns. Prevents outdated patterns like Core Data, ObservableObject, DispatchQueue, and NavigationView.

Guidelines and templates for writing effective unit tests with XCTest, including test-driven development practices and mocking techniques.

Professional book publishing from Markdown, Word, or text to PDF/EPUB. Use when creating books, converting manuscripts to PDF, generating covers (Kindle and paperback with spine), building indexes with real page numbers, creating table of contents, or formatting chapters. Handles trade paperback (5.5x8.5), two-pass TOC generation, EPUB conversion, and Amazon KDP requirements.

Strategies for developing apps that work across multiple Apple platforms, including adaptive layouts and multi-view implementations.

Techniques for optimizing Swift code performance, memory usage, rendering efficiency, and using Instruments for profiling.

Expert guide for Apple's modern Speech framework (macOS 26+, iOS 26+) featuring SpeechAnalyzer and SpeechTranscriber for on-device speech-to-text transcription.