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Linter-specific resolution workflows for ruff, mypy, pyright, and basedpyright. Provides systematic root-cause analysis procedures, suppression gates, and verification steps. Use when resolving lintin…
Monitor running agent loops, triage failures, clean up after completion, and decide when to intervene. Use when a loop is running and needs babysitting, when a loop just finished and needs post-merge …
A comprehensive guide to advanced AutoFixture customization techniques. Use this when you need to customize the AutoFixture builders or handle special types of test data generation rules. It covers au…
MUST be used for Webman framework projects. Covers DDD architecture with controller/service/domain/infrastructure layers, strict dependency rules, lowercase directory naming, PER Coding Style with dec…
UI/UX design intelligence. 50 styles, 21 palettes, 50 font pairings, 20 charts, 9 stacks (React, Next.js, Vue, Svelte, SwiftUI, React Native, Flutter, Tailwind, shadcn/ui). Actions: plan, build, creat…
Service Worker lifecycle, caching strategies, offline patterns, update handling, precaching, runtime caching
Create TikZ diagrams in Obsidian using TikZJax plugin. Use when visualizing geometric shapes, coordinate systems, game scenes, circuit diagrams, chemical structures, or complex technical drawings that…
Procedural noise functions in GLSL—Perlin, simplex, Worley/cellular, value noise, FBM (Fractal Brownian Motion), turbulence, and domain warping. Use when creating organic textures, terrain, clouds, wa…
Chain of custody and evidence preservation procedures covering log collection, hash verification, custody documentation, and evidence packaging per RFC 3227
Use this when the user asks to write tests, increase code coverage, or verify functionality.
A complete implementation guide for the Test Data Builder Pattern. Use this when you need to create maintainable test data or simplify the preparation of complex objects for testing using the builder …
Unit testing and integration testing best practices
View Transitions API patterns - same-document transitions, cross-document MPA transitions, shared element animations, pseudo-element styling, accessibility
REST APIs, React Query, data fetching
Decision framework for particle system projects. Routes to specialized particle skills (gpu, physics, lifecycle) based on task requirements. Use when building particle effects or needing guidance on w…
Write copy following Sentry brand guidelines. Use when writing UI text, error messages, empty states, onboarding flows, 404 pages, documentation, marketing copy, or any user-facing content. Covers bot…
Spring Boot 4 data layer implementation for Domain-Driven Design. Use when implementing JPA or JDBC aggregates, Spring Data repositories, transactional services, projections, or entity auditing. Cover…
.NET Aspire Testing integrated testing framework complete guide. Use it when you need to test .NET Aspire distributed applications, set up AppHost testing, or migrate from Testcontainers to Aspire tes…
Specialized skills in setting up and configuring xUnit test projects. To be used when there's a need to create a test project, set up the project structure, configure NuGet packages, or organize test …
Interactive code execution path tracer that explains how code flows from entry point to output. Uses step-by-step navigation with AskUserQuestion to explore conditional branches and function calls. Us…
ICU message format internationalization
Socket.IO v4.x client patterns, connection lifecycle, reconnection, authentication, rooms, namespaces, acknowledgments, binary data, TypeScript integration
Decision framework for React Three Fiber projects. Routes to specialized R3F skills (fundamentals, geometry, materials, performance, drei) based on task requirements. Use when starting an R3F project …
Frontend development patterns for React, Next.js, state management, performance optimization, and UI best practices.