Skill UI

Patterns for building reliable C#/.NET test suites using xUnit, FluentAssertions, mocking libraries, Testcontainers, and WebApplicationFactory so unit and integration tests stay organized and maintainable.

Dart Flutter Patterns delivers copy-paste-ready snippets covering null safety, immutable state, async composition, widget architecture, state managers, GoRouter navigation, Dio networking, and testing to bootstrap production Flutter features.

Guides idiomatic C# and .NET patterns covering immutability, explicit intent, dependency injection, async usage, configuration binding, result handling, and repository abstractions to build robust, maintainable applications.

Guides production-grade NestJS architecture patterns for modules, controllers, providers, DTO validation, guards, interceptors, config, environment validation, and testing, helping teams structure TypeScript backends and enforce security and validation consistently.

Detects AI-like Chinese prose, highlights suspicious patterns, and rewrites the text with natural rhythm while preserving facts and tone, including academic AIGC reduction and style conversions such as Zhihu or Xiaohongshu.

Evaluate interfaces against 168 research-backed UX/UI principles, detect antipatterns, and inject UX context during AI-assisted design or coding sessions to surface severity-tagged findings and actionable remediation.