Design

Use when essential PHP security patterns including input validation, SQL injection prevention, XSS protection, CSRF tokens, password hashing, secure session management, and defense-in-depth strategies for building secure PHP applications.

Use when optimizing Tailwind CSS for production, reducing bundle size, and improving performance. Covers PurgeCSS, JIT mode, and build optimization.

Use when implementing iOS 17+ privacy manifests for CocoaPods libraries. Covers PrivacyInfo.xcprivacy file creation, required reasons API declarations, and proper resource bundle integration for App Store compliance.

Use when creating or modifying Storybook stories for components. Ensures stories follow CSF3 format, properly showcase component variations, and build successfully.

Use when designing monorepo structure, organizing packages, or migrating to monorepo architecture with architectural patterns for managing dependencies and scalable workspace configurations.

Use when applying Phoenix Framework best practices including context design, controller patterns, and application architecture. Use when building Phoenix applications.

Use when Django REST Framework for building APIs with serializers, viewsets, and authentication. Use when creating RESTful APIs.

Use when creating or modifying CocoaPods podspec files. Covers required attributes, file patterns, dependencies, and platform specifications for iOS, macOS, tvOS, watchOS, and visionOS projects.

Use when building Angular 16+ applications requiring fine-grained reactive state management and zone-less change detection.

Use when Django Class-Based Views for building modular, reusable views. Use when creating CRUD operations and complex view logic.

Use when pylint checkers including built-in checkers, custom checkers, and checker development.

Use when setting up monorepo tooling, optimizing builds, or migrating between tools with Turborepo, Nx, Bazel, Lerna for efficient task running, caching, and code generation.

Use when Vue 3 Composition API with reactive refs, computed, and composables. Use when building modern Vue 3 applications.

Use when styling React Native components with StyleSheet, Flexbox layout, responsive design, and theming. Covers platform-specific styling and design systems.

Use when oTP actor patterns in Gleam including processes, message passing, GenServer implementations, supervisors, fault tolerance, state management, and building concurrent, fault-tolerant applications on the Erlang VM.

Use when deciding between inheritance and composition in object-oriented design. Use when creating class hierarchies or composing objects from smaller components.

Use when next.js Server Components for optimal performance. Use when building data-intensive Next.js applications.

Use when nestJS testing with unit tests, integration tests, and e2e tests. Use when building well-tested NestJS applications.

Use when designing GraphQL schemas with Absinthe. Covers type definitions, interfaces, unions, enums, and schema organization patterns.

Use when creating troubleshooting guides and diagnostic procedures for operational issues. Covers problem diagnosis, root cause analysis, and systematic debugging.