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Use when adding routes, navigation, or understanding URL structure in SikhAid project. Covers SvelteKit file-based routing, dynamic routes with slugs, layout hierarchy, admin routes, and navigation patterns.
TypeScript fundamentals, advanced types, generics, and best practices for type-safe development
Next.js App Router における Server Actions と Route Handlers の使い分け、セキュリティ、および実装規約。
Standard patterns for using Better Auth in Next.js 16+ App Router projects, including server and client integration, JWT plugin usage, and attaching tokens to backend API calls in a reusable way.
Guide for implementing Better Auth - a framework-agnostic authentication and authorization framework for TypeScript. Use when adding authentication features like email/password, OAuth, 2FA, passkeys, or advanced auth functionality to applications.
JavaScript best practices with Node.js, modern frameworks, and ecosystem patterns for 2025
Rails backend development guidelines for building maintainable Ruby on Rails applications. Use when creating controllers, models, services, concerns, routes, or working with ActiveRecord, background jobs, Action Cable, validations, and Rails conventions. Covers MVC architecture, service objects, RESTful routing, database patterns, and Rails best practices.
Enterprise JavaScript for Node.js and browser: Node.js 22.11.0 LTS (Jod),
Debug NestJS issues systematically. Use when encountering dependency injection errors like "Nest can't resolve dependencies", module import issues, circular dependencies between services or modules, guard and interceptor problems, decorator configuration issues, microservice communication errors, WebSocket gateway failures, pipe validation errors, or any NestJS-specific runtime issues requiring diagnosis.
Complete mastery of essential modern web development libraries and dependencies. Cover Next.js, React, TypeScript, Tailwind CSS, Firebase, Zustand, redux-toolkit, react-hook-form, Zod, shadcn/ui, lucide-react, Stripe, and more. Learn setup, integration patterns, advanced usage, performance optimization, troubleshooting, common pitfalls, and version management. Includes quick reference guides, in-depth tutorials, complete examples for e-commerce and SaaS, configuration files, type definitions, error handling, and production patterns. Master how libraries work together and solve real-world challenges.
Build and maintain the qEEG Council FastAPI backend, CLIProxyAPI upstream client, SQLite persistence, and the 6-stage workflow artifacts and exports.
Skriptoteket frontend development (FastAPI backend + full Vue/Vite SPA) using the HuleEdu-aligned stack (Vue 3.5.x + Vite + TypeScript, Pinia, Vue Router, Tailwind CSS v4 tokens/@theme, HuleEdu design tokens, pnpm). Use for working in the `frontend/` pnpm workspace, SPA hosting/history fallback, implementing SPA features (auth, routing, state, API clients), and keeping the UI/auth model compatible with future HuleEdu teacher login integration (same entry point, no separate login).
.NET/C# backend developer for ASP.NET Core APIs with Entity Framework Core. Builds REST APIs, minimal APIs, gRPC services, authentication with Identity/JWT, authorization, database operations, background services, SignalR real-time features. Activates for: .NET, C#, ASP.NET Core, Entity Framework Core, EF Core, .NET Core, minimal API, Web API, gRPC, authentication .NET, Identity, JWT .NET, authorization, LINQ, async/await C#, background service, IHostedService, SignalR, SQL Server, PostgreSQL .NET, dependency injection, middleware .NET.
Better Auth TypeScript/JavaScript authentication library. Use when implementing auth in Next.js, React, Express, or any TypeScript project. Covers email/password, OAuth, JWT, sessions, 2FA, magic links, social login with Next.js 16 proxy.ts patterns.
Ruby 3.3+ development specialist covering Rails 7.2, ActiveRecord, Hotwire/Turbo, and modern Ruby patterns. Use when developing Ruby APIs, web applications, or Rails projects.
This skill should be used when developing Next.js 16 applications with React, TypeScript, Material-UI V7, and Firebase. Provides comprehensive guidance on setup, best practices, error handling, and advanced patterns for production-ready applications.
Debug and understand MachinaMed frontend UI data flow. Use for investigating UI display issues, tracing data from backend API to React components, and understanding how biomarkers and reference ranges are rendered at /markers page (port 3000). Includes browser automation for visual verification and testing.
Build and update repository-based data access layers in TypeScript/Node apps. Use when asked to add a data access layer, repository layer, database access, new query methods, or to integrate/swap DB clients (for example porsager/postgres) while keeping model interfaces DB-agnostic and repository methods the only access path.
Next.js 15 + Tailwind CSS development guidelines. Modern patterns including App Router, Server/Client Components, Suspense, lazy loading, file organization, Tailwind CSS styling, performance optimization, and TypeScript best practices. Use when creating components, pages, features, styling, routing, or working with Next.js code.
