Bridge Observables and Signals using toSignal and toObservable in Angular. Use when converting between RxJS Observables and Angular Signals. (triggers: toSignal, toObservable, takeUntilDestroyed, rxjs angular)
Harden Angular apps against XSS, CSP violations, and unauthorized access. Use when implementing XSS protection, Content Security Policy, or auth guards in Angular. (triggers: DomSanitizer, innerHTML, bypassSecurityTrust, CSP, angular security, route guard)
Implement Angular SSR with hydration, TransferState caching, and per-route render modes. Use when configuring Angular Universal SSR, client hydration, static prerendering, or preventing double-fetching. (triggers: **/*.server.ts, server.ts, hydration, transferState, afterNextRender, isPlatformServer, RenderMode)
Implement application state with Angular Signals, computed derivations, and NgRx Signal Store. Use when implementing reactive state with signal(), computed(), effect(), or @ngrx/signals in Angular. (triggers: **/*.store.ts, **/state/**, angular signals, signal store, computed, effect, linkedSignal)
Design distinctive, production-grade frontend UI with bold aesthetic choices. Use when building web components, pages, interfaces, dashboards, or applications in any framework (React, Next.js, Angular, Vue, HTML/CSS). (triggers: build a page, create a component, design a dashboard, landing page, UI for, build a layout, make it look good, improve the design, build UI, create interface, design screen)
Implement typed routing, nested routes, and guards using auto_route. Use when adding typed navigation, nested routes, or route guards with auto_route in Flutter. (triggers: **/router.dart, **/app_router.dart, AutoRoute, AutoRouter, router, guards, navigate, push)
Implement reactive state with GetX controllers and observables in Flutter. Use when managing reactive state with GetX controllers or observables in Flutter. (triggers: **_controller.dart, **/bindings/*.dart, GetxController, Obx, GetBuilder, .obs, Get.put, Get.find, Get.lazyPut)
Typed routes, route state, and redirection using go_router. Use when implementing go_router typed routes, guards, or redirects in Flutter. (triggers: **/router.dart, **/app_router.dart, GoRouter, GoRoute, StatefulShellRoute, redirection, typed-routes)
Implement navigation patterns with go_router, deep linking, and named routes. Use when building navigation, deep linking, or named routes in Flutter. (triggers: **/*_route.dart, **/*_router.dart, **/main.dart, Navigator, GoRouter, routes, deep link, go_router, AutoRoute)
Implement reactive state management using Riverpod 2.0 with code generation in Flutter. Use when defining @riverpod providers, building AsyncNotifiers, overriding providers in tests, or enforcing immutable state with Freezed models. (triggers: **_provider.dart, **_notifier.dart, riverpod, ProviderScope, ConsumerWidget, Notifier, AsyncValue, ref.watch, @riverpod)
Implement mutations, forms, and RPC-style calls with Next.js Server Actions. Use when implementing Server Actions, form mutations, or RPC-style data mutations in Next.js. (triggers: app/**/actions.ts, src/app/**/actions.ts, app/**/*.tsx, src/app/**/*.tsx, use server, Server Action, revalidatePath, useFormStatus)
Build async React Server Components and place 'use client' boundaries at leaf nodes for interactivity in Next.js App Router. Use when deciding RSC vs Client Component, composing server data into client wrappers, or fixing hydration errors. (triggers: app/**/*.tsx, src/app/**/*.tsx, app/**/*.jsx, src/app/**/*.jsx, use client, Server Component, Client Component, hydration)
Apply best practices for managing URL, server, and client state in Next.js applications. Use when choosing between URL params, SWR/TanStack Query, Zustand, or Context for state, or when fixing hydration mismatches from localStorage. (triggers: **/hooks/*.ts, **/store.ts, **/components/*.tsx, useState, useContext, zustand, redux)
Implement zero-runtime CSS with Tailwind, CSS Modules, and the cn() utility for RSC-compatible styling in Next.js. Use when choosing a styling library, creating dynamic class utilities, or optimizing fonts with next/font. (triggers: **/*.css, tailwind.config.ts, **/components/ui/*.tsx, tailwind, css modules, styled-components, clsx, cn)
Build modern React Native components using function components and composition. Use when building or refactoring React Native function components and composable UI. (triggers: **/*.tsx, **/*.jsx, component, props, children, composition, presentational, container)
Enforce design token usage in React Native. Use when enforcing a design system, preventing hardcoded styles, or implementing theme tokens in React Native. (triggers: **/*Screen.tsx, **/*Component.tsx, **/theme/**, **/styles/**, StyleSheet, styled-components, theme, colors, spacing)
Set up navigation stacks and deep linking with React Navigation in React Native. Use when setting up navigation stacks or deep linking in React Native with React Navigation. (triggers: **/App.tsx, **/*Navigator.tsx, **/*Screen.tsx, NavigationContainer, createStackNavigator, createBottomTabNavigator, linking, deep link)
Configure React Navigation 6+ stacks, tabs, and deep linking for React Native. Use when implementing React Navigation stacks, tabs, or deep linking in React Native. (triggers: **/*Navigation*.tsx, src/navigation/**, navigation, react-navigation, stack, tab, drawer, deep link)
Implement local and global state with Context, Zustand, and Redux Toolkit in React Native. Use when choosing or implementing state management in React Native with Context, Zustand, or Redux. (triggers: **/*.tsx, **/*.ts, useState, useContext, zustand, redux, state-management)
Style React Native apps with StyleSheet API, Flexbox, theming, and responsive design. Use when implementing React Native styles, theming, Flexbox layouts, or responsive design. (triggers: **/*.tsx, **/*.ts, StyleSheet, style, theme, responsive, flexbox)
Build modern React component architecture with composition patterns. Use when designing reusable React components, applying composition patterns, or structuring component hierarchies. (triggers: **/*.jsx, **/*.tsx, component, props, children, composition, hoc, render-props)
Write efficient React functional components and hooks. Use when writing custom hooks, optimizing useEffect, or working with useMemo/useCallback in React. (triggers: **/*.tsx, **/*.jsx, useEffect, useCallback, useMemo, useState, useRef, useContext, useReducer, useLayoutEffect, custom hook)
Optimize React rendering, bundle size, and data fetching performance. Use when optimizing React rendering performance, reducing re-renders, or improving bundle size. (triggers: **/*.tsx, **/*.jsx, waterfall, bundle, lazy, suspense, dynamic)
Select and implement local, global, and server state patterns in React. Use when choosing or implementing state management (Context, Zustand, Redux, React Query) in React. (triggers: **/*.tsx, **/*.jsx, state, useReducer, context, store, props)
