Skill UI

Expert .NET backend architect specializing in C#, ASP.NET Core, Entity Framework, Dapper, and enterprise application patterns. Provides guidance on architecture design, performance optimization, testing, caching, and cloud-native development for production-grade APIs and microservices.

This skill covers .NET/C# binary reverse engineering, including managed PE analysis, debugging with dnSpyEx, deobfuscation using de4dot for tools like ConfuserEx, and IL patching. It supports analyzing red-team Sharp* tooling and distinguishing between managed and native binaries.

This expert assists developers in building type-safe, high-performance database layers using Drizzle ORM with TypeScript. It provides deep knowledge of schema design, complex relational querying (joins, aggregations), managing migrations via Drizzle Kit, and seamless integration with modern stacks like Next.js, tRPC, and serverless environments. Ideal for developers needing a zero-overhead, type-safe ORM alternative.

This skill provides guidance for building and releasing iOS and Android applications using Expo Application Services (EAS). It covers workflows for Expo and React Native projects, as well as existing native apps. Users can learn how to configure build profiles, submit to App Store Connect and Google Play Store, manage versions, and automate CI/CD pipelines for app distribution.

This skill provides curated guidance for building high-performance animations in Expo and React Native. It covers hard rules for animation necessity, tool selection like Reanimated 4, and performance optimization for real devices. Use this when implementing motion that survives strict reviews on actual hardware, focusing on worklets, UI runtime, and gesture handling.

This skill enables developers to build Expo development clients using EAS Build for testing native code changes on physical devices. It is recommended for real or production apps instead of Expo Go, supporting local modules, Apple targets, and third-party native modules. Users configure eas.json with developmentClient settings and use commands like eas build to create iOS or Android builds for TestFlight or local installation.

This guide covers creating and writing Expo native modules and views using the Expo Modules API. It supports Swift for iOS, Kotlin for Android, and TypeScript. Topics include module definition DSL, native views, shared objects, config plugins, lifecycle hooks, autolinking, and type system. Ideal for adding native functionality like camera or sensors to Expo apps.

Build native iOS and Android UI components using React with the @expo/ui package. Supports universal cross-platform components and platform-specific SwiftUI or Jetpack Compose rendering. Ideal for Expo SDK 56+ projects needing high-performance native interfaces without writing separate native code.

This skill enables developers to build Android-native user interfaces within Expo applications using the @expo/ui/jetpack-compose package. It allows integration of Jetpack Compose views and modifiers, mirroring the Compose API for Material Design 3 components. Users must wrap Jetpack Compose trees in Host components and follow specific installation steps for Expo SDK 55. It supports scrollable lists via LazyColumn and icons via XML vector drawables, facilitating native Android UI patterns in cross-platform development.

Build iOS-native UI in Expo using @expo/ui/swift-ui, mirroring SwiftUI views and modifiers. Covers Host wrapping, RNHostView embedding, and SDK 55 usage.

This comprehensive guide provides core principles and implementation patterns for adopting the Flat Design aesthetic. It details how to build interfaces across web (CSS), mobile (SwiftUI, Flutter), and cross-platform frameworks, emphasizing zero depth, sharp geometries, and high-contrast solid colors while strictly avoiding shadows, gradients, and bevels. Use this when aiming for a modern, minimalist, and clean UI/UX experience.

A comprehensive guide for implementing Flat Design 2.0 (Semi-Flat). This style maintains the clean, solid aesthetic of flat design while introducing subtle, diffuse shadows and micro-gradients to enhance perceived depth and communicate element interactability (e.g., buttons, cards). It provides detailed, cross-platform code examples for Web (CSS), iOS (SwiftUI), Flutter, and React Native.