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Design system patterns for reusable UI via atomic design, Tailwind tokens/variants, and accessibility. Use when creating atoms/molecules, theming, or hardening a11y.

Entity Framework Core best practices for configuration, queries, concurrency, and multi-tenancy.

Frontend architecture patterns for React apps (React Router 7, TanStack Query). Use when planning features, defining routes, data strategies, and component gaps.

Infrastructure standards for Docker, scripts, middleware, and authentication in multi-tenant deployments.

Integration testing performance optimization, test parallelization, cleanup strategies, and CI/CD categorization patterns. Use when optimizing test execution speed, managing test data, or structuring tests for automated pipelines.

ASP.NET Core Minimal APIs patterns for endpoints, DTOs, validation, and service integration. Use when implementing API endpoints, defining request/response contracts, or structuring API projects with clean separation of concerns.

Multi-tenancy implementation patterns for row level security, tenant isolation, and data segregation in SaaS applications.

End-to-end testing patterns with Playwright. Use when writing or debugging E2E tests, focusing on reliability, isolation, and flakiness prevention.

Database schema specification using Mermaid ER diagrams, table structures, constraints, and indexes for multi-tenant applications.

Unit testing patterns for .NET applications using EF Core In-Memory Provider, AAA structure, test data helpers, and TDD workflows. Use when writing unit tests for Application Services, domain logic, or data access.

Provides unit testing patterns for .NET applications using EF Core In-Memory Provider, AAA structure, test data helpers, and TDD workflows. Use when writing unit tests for services, repositories, or domain logic.

Clean Architecture principles and implementation patterns for .NET applications. Use when designing application structure, clarifying layer responsibilities, or implementing Clean Architecture in .NET projects.

Essential RESTful API design conventions for URL patterns, HTTP methods, and response formats. For detailed implementations and advanced patterns, see references section.

Essential LINQ query syntax patterns and separation of concerns for data access. For detailed examples and advanced patterns, see references section.

User story writing patterns with comprehensive acceptance criteria categories and quality standards. Use when creating user stories, defining acceptance criteria, or reviewing story completeness for multi-tenant applications.

Manages Entity Framework Core migrations using project scripts. Use when creating, applying, listing, or removing database migrations.

Establishes patterns for creating test data in Entity Framework Core integration tests for multi-tenant applications. Use when writing integration tests that involve tenant isolation, foreign key relationships, or database context management with Testcontainers.

Use this skill when designing, implementing, or reviewing RESTful APIs and URL structures.

Best practices for defining Endpoints, DTOs, and Validators using ASP.NET Core Minimal APIs.

Best practices for building reusable UI components. Use when creating atoms, molecules, or updating the theme.

Use this skill when designing application structure or clarifying layer responsibilities in .NET applications.

Use this skill when implementing domain entities and their properties in .NET.

Use this skill when implementing or modifying multi-tenant data isolation and security.

Use this skill when configuring Entity Framework Core entities using the Fluent API.

Use this skill when implementing data access, repositories, or query logic with Entity Framework Core.

Instructions for managing Entity Framework Core migrations using project scripts. Use when adding, removing, applying, or listing database migrations.

Best practices for frontend architecture. Use when planning new features, defining routes, or designing data strategies.

Best practices for writing integration tests using Testcontainers and EF Core. Use when creating or modifying integration tests.

Enforces LINQ query syntax patterns, separation of concerns, and async execution for data access. Use when writing repository methods, implementing LINQ queries, or refactoring data access code to follow project conventions.

Best practices for Docker, CI/CD scripts, and Security Middleware.

Best practices for implementing features. Use when building pages, wiring API integrations, or assembling organisms.

Writes database schema specifications using Mermaid ER diagrams and defines table structures for multi-tenant entities. Use when designing database schemas, creating entity-relationship diagrams, or specifying database constraints for GloboTicket features.

Writes complete OpenAPI 3.0 specifications for API endpoints following RESTful conventions. Use when creating new API endpoints, documenting API contracts, or defining request/response schemas for GloboTicket APIs.

Defines test scenarios using Given-When-Then format and maps tests to acceptance criteria. Use when writing technical specifications, defining unit and integration test requirements, or ensuring test coverage for acceptance criteria.

Specifies user interface designs, React components, and interaction flows following component-based architecture. Use when designing UI specifications, defining component props and state, or documenting user interaction flows for GloboTicket features.

Best practices for E2E testing. Use when writing or debugging Playwright tests.

Writes and reviews user stories with acceptance criteria following standard categories. Use when creating user stories, defining acceptance criteria, or reviewing story completeness for GloboTicket features.