Gentleman-Skills

Hexagonal architecture layering for Java services with strict boundaries. Trigger: When structuring Java apps by Domain/Application/Infrastructure, or refactoring toward clean architecture.

Spring Boot 3 patterns for configuration, DI, and web services. Trigger: When building or refactoring Spring Boot 3 applications.

Java 21 language and runtime patterns for modern, safe code. Trigger: When writing Java 21 code using records, sealed types, or virtual threads.

Core catalog of 8 critical Elixir/Phoenix anti-patterns covering error handling, separation of concerns, Ecto queries, and testing. Trigger: During Elixir code review, refactoring sessions, or when writing Phoenix/Ecto code.

React Native patterns for mobile app development with Expo and bare workflow. Trigger: When building mobile apps, working with React Native components, using Expo, React Navigation, or NativeWind.

Electron patterns for building cross-platform desktop applications. Trigger: When building desktop apps, working with Electron main/renderer processes, IPC communication, or native integrations.

Angular core patterns: standalone components, signals, inject, control flow, zoneless. Trigger: When creating Angular components, using signals, or setting up zoneless.

Angular architecture: Scope Rule, project structure, file naming, style guide. Trigger: When structuring Angular projects or deciding where to place components.

Angular forms: Signal Forms (experimental) and Reactive Forms. Trigger: When working with forms, validation, or form state in Angular.

Angular performance: NgOptimizedImage, @defer, lazy loading, SSR. Trigger: When optimizing Angular app performance, images, or lazy loading.

Create high-quality Pull Requests with conventional commits and proper descriptions. Trigger: When creating PRs, writing PR descriptions, or using gh CLI for pull requests.

Vercel AI SDK 5 patterns. Trigger: When building AI chat features - breaking changes from v4.

Django REST Framework patterns. Trigger: When building REST APIs with Django - ViewSets, Serializers, Filters.

Creates Jira epics for large features following Prowler's standard format. Trigger: When user asks to create an epic, large feature, or multi-task initiative.

Creates Jira tasks following Prowler's standard format. Trigger: When user asks to create a Jira task, ticket, or issue.

Next.js 15 App Router patterns. Trigger: When working with Next.js - routing, Server Actions, data fetching.

Playwright E2E testing patterns. Trigger: When writing E2E tests - Page Objects, selectors, MCP workflow.

Pytest testing patterns for Python. Trigger: When writing Python tests - fixtures, mocking, markers.

React 19 patterns with React Compiler. Trigger: When writing React components - no useMemo/useCallback needed.

Creates new AI agent skills following the Agent Skills spec. Trigger: When user asks to create a new skill, add agent instructions, or document patterns for AI.

Tailwind CSS 4 patterns and best practices. Trigger: When styling with Tailwind - cn(), theme variables, no var() in className.

TypeScript strict patterns and best practices. Trigger: When writing TypeScript code - types, interfaces, generics.

Zod 4 schema validation patterns. Trigger: When using Zod for validation - breaking changes from v3.

Zustand 5 state management patterns. Trigger: When managing React state with Zustand.