Web & Frontend

legendtkl Skill

Use when writing React components with useEffect, seeing useState + useEffect for derived values, resetting state on prop change with Effect, chaining Effects that trigger each other, notifying parent via Effect, data fetching without cleanup (race conditions), or reviewing React code for unnecessary Effects and extra re-renders.

ericrisco Bundle

Use when shipping a React Native app with Expo — EAS Build/Submit/Update, eas.json profiles and channels, config plugins, prebuild/CNG, runtime-version policy, OTA updates that never land, SDK upgrades, the New Architecture. NOT RN UI, navigation or native-module authoring (that is `react-native`), NOT a Dart app (that is `flutter`).

ericrisco Bundle

Use when adding interactivity to a server-rendered app (FastAPI/Jinja, Django, Rails, Laravel, Go templates, Express) without adopting a JS framework — hx-get/post/put/delete with hx-target, hx-swap and hx-trigger, returning HTML fragments instead of JSON, out-of-band swaps, active search, infinite scroll, inline edit and polling. NOT a client-state SPA with routing and a store (that is `react` or `nextjs`).

ericrisco Bundle

Use when building or reviewing a client-side React SPA bundled by Vite (React 19.2): components, where state lives, hooks, server data fetching, client routing, re-render and effect bugs. NOT App Router / server components / SSR (that is `nextjs`); NOT native screens (that is `react-native`).

ericrisco Bundle

Use when building a lightweight cross-platform desktop (or v2 mobile) app with Tauri — a Rust core plus the OS-native WebView: Rust commands and IPC, streaming to the frontend, the default-deny capabilities/permissions ACL, bundling and signed auto-updates. NOT a Chromium+Node shell needing Node APIs in a main process (that is electron).

ericrisco Bundle

Use when building, reviewing or fixing Svelte 5 (runes) and SvelteKit code — components with the rune primitives, rune modules versus stores, file routing, universal versus server load functions, form actions with progressive enhancement, remote functions, SSR/CSR/prerender choices, and adapters. Covers migrating Svelte 4 reactive statements to runes and hydration mismatches. NOT Next.js or RSC (that is `nextjs`).

ericrisco Bundle

Use when operating an already-chosen Vercel project from the CLI or its config file — preview versus production deploys, debugging builds, pushing and pulling env vars across environments, custom domains, function runtime, duration and regions, crons, rewrites and headers, and deployment protection. NOT host choice, Docker or CI (that is `deployment`), NOT Next.js app code or next.config (that is `nextjs`), NOT DNS records or registrar transfers (that is `domains-dns`).

ericrisco Bundle

Use when building, refactoring, or debugging Angular (v20/21+): standalone components, signals, zoneless change detection, @if/@for/@defer control flow, inject() DI, resource()/httpResource(), RxJS interop, NgRx SignalStore, ng CLI. NOT React (that is react), NOT Next.js (that is nextjs), NOT a TypeScript language question (that is typescript).

ericrisco Bundle

Use when building, structuring, testing or optimizing a Flutter app — feature-first layering, Riverpod 3 or Bloc, typed go_router, freezed models, a dio data layer, Material 3, jank hunting, widget/golden tests. Targets Flutter 3.44 / Dart 3.12. NOT React Native (that is `react-native`), NOT Compose Multiplatform (that is `compose-multiplatform`).

ericrisco Bundle

Use when building or customizing a Shopify store across its three code surfaces — themes (Liquid, Online Store 2.0 sections, blocks and JSON templates), apps (Remix with the versioned GraphQL Admin API and its query-cost model), and checkout (UI extensions, Functions, Web Pixels), plus the CLI flow and checkout-extensibility migration. NOT WooCommerce or PHP stores (that is `wordpress`), NOT the React layer of a headless storefront (that is `nextjs`), NOT non-Shopify payment integrations (that is `stripe`).

ericrisco Bundle

Use when the user needs to see how something works instead of reading about it: picks the smallest visual that carries the point — pseudocode, call tree, file tree, component tree, Mermaid, a shaped diff, or one HTML page. NOT visual identity (that is `design-loop`), NOT slides (that is `presentations`), NOT a from-zero explainer (that is `eli5`).

ericrisco Bundle

Use when a creative goal must become a finished media file: pick and order generative-media models per modality — AI voiceover, image-to-video clips, score — then glue them with ffmpeg (mux, duck, loudnorm, concat). NOT still-image generation/editing (that is `replicate-images`); NOT code-rendered React compositing (that is `remotion-video`).

ericrisco Bundle

Use when building, hardening, or shipping a cross-platform Electron desktop app — main/renderer/preload process model, typed contextBridge IPC, locking down nodeIntegration/contextIsolation/sandbox/CSP, or packaging with signing and auto-update. NOT a Rust-backed shell on the native webview (that is tauri), nor the web UI inside it (that is react).

ericrisco Bundle

Use when building, reviewing or debugging a SolidJS app — signals, stores, effects, memos and resources, and JSX that compiles to real DOM with no virtual DOM. Covers the classic traps: a signal that does not update the UI, For versus Index, effect loops, components that run once, and props losing reactivity when destructured. NOT React's re-render model (that is `react`).

ericrisco Bundle

Use when building or reviewing a Vue 3 + Nuxt 4 app — `<script setup>` reactivity, SSR/SSG/hybrid `routeRules`, the `app/`+`server/` layout, SSR-safe fetching (`useFetch`/`useAsyncData`) and state (`useState`/Pinia), Nitro routes, hydration mismatches, Nuxt 3→4 migration. NOT React/RSC (that is nextjs), NOT a static islands site (that is astro).

ericrisco Bundle

Use when building native iOS and Apple-platform apps in Swift with SwiftUI and modern Swift concurrency — observable view models, Swift 6 strict data-race diagnostics, async/await and actors, SwiftData persistence, NavigationStack, and Swift Testing. NOT cross-platform Dart (that is `flutter`), NOT React Native (that is `react-native`), NOT native Kotlin for Android (that is `kotlin-android`), NOT shared KMP code across both OSes (that is `compose-multiplatform`).

ericrisco Bundle

Use when working on Cloudflare's edge platform — wrangler.jsonc bindings, choosing between D1/KV/R2/Durable Objects/Queues, deploying a Worker or SPA via Static Assets, or designing around a Workers runtime limit. NOT generic CI/release (that is `deployment`), NOT Next.js framework wiring (that is `nextjs`), NOT DNS records (that is `domains-dns`).

ericrisco Bundle

Use when writing or fixing TypeScript type code (.ts/.tsx/.d.ts), modeling data with generics/unions/branded types, diagnosing narrowing failures, or configuring tsconfig and the build toolchain. NOT runtime code, fs/streams/http (that is `nodejs`); NOT component/route typing (that is `react`/`nextjs`); NOT ORM type-gen (that is `drizzle-orm`).

ericrisco Bundle

Use when writing or stabilizing Playwright tests that drive a real browser through multi-step journeys — durable locators, web-first assertions, storageState auth, trace/retries, and flakes that only bite in CI. NOT in-process component tests (that is testing-web), NOT WCAG auditing (that is accessibility), NOT the pre-merge gate (that is verify).

ericrisco Bundle

Use when writing or fixing frontend unit, component or custom-hook tests with Vitest or Jest plus Testing Library — rendering a component in jsdom, testing a hook in isolation, choosing between sync and async queries, silencing act warnings, mocking fetch, or migrating a Jest suite to Vitest. NOT real-browser multi-page journeys (that is `e2e-testing`), NOT pytest suites (that is `testing-py`), NOT accessibility auditing (that is `accessibility`).

ericrisco Bundle

Use when setting or amending a project's non-negotiables — stack canon, quality bars, conventions, security/a11y floors — as numbered, testable rules later phases obey. First rsc-sdd phase; writes 02-DOCS/wiki/sdd/constitution.md. NOT a feature spec (that is `specify`), NOT the technical plan (that is `plan`), NOT the wiki itself (that is `harness`).

ericrisco Bundle

Use when writing the JS/TS inside a React Native or Expo app — screens, Expo Router navigation, lists, Reanimated gestures, platform forks, offline state, native modules — or killing jank and render storms. NOT eas build/submit/OTA/config-plugin (that is `expo`), NOT a Dart app (that is `flutter`), NOT web React/DOM (that is `react` or `nextjs`).

ericrisco Bundle

Use when making a web UI conform to WCAG 2.2 Level AA — axe-core or Lighthouse a11y violations, keyboard operability, focus management, ARIA roles/names/live regions, contrast, tap-target size. NOT palette or visual intent (that is `design`), NOT test-runner setup (that is `testing-web`), NOT LCP/page-speed (that is `performance`).

ericrisco Bundle

Use when a raw table is too dirty to trust — nulls, sentinels, duplicate rows, category sprawl, mixed types, bad dates — and you need a re-runnable clean() plus a schema gate that fails loud. NOT emitting .xlsx (that is spreadsheet-ops), NOT acquiring rows (that is data-scraper), NOT parsing PDF/HTML into rows (that is structured-extraction).

ericrisco Bundle

Use when securing application code: threat-modeling a feature, security-reviewing a diff, hardening auth/authz, secrets, CORS/CSP, or fixing OWASP-class bugs (access control, injection, SSRF, supply chain) in FastAPI, Next.js, Go or Flutter. NOT running the scanners (that is security-scan), NOT agent prompt-injection guardrails (that is agent-safety).

ericrisco Bundle

Use when designing the reaction to a class of failures — typed error taxonomies, retry/backoff/timeout policy, circuit breakers, React/Next error boundaries, and the user-message vs operator-log split. NOT diagnosing one specific crash (that is debug), NOT logs/metrics/traces (that is observability), NOT the wire error envelope (that is api-design).

ericrisco Bundle

Use when you need to render an actual video file with Remotion — React compositions, the Composition/Sequence/TransitionSeries graph, transitions, burned-in word-by-word captions from a transcript, automatic silence removal, b-roll overlays, headless CI renders, and a final MP4 or MOV. NOT writing the script, hook, beats or caption text (that is `video-shorts`), NOT mastering audio to LUFS or building an RSS feed (that is `podcast`), NOT structuring the narrative arc (that is `course-storytelling`).

ericrisco Bundle

Use when the question is how interface should be BUILT — component boundaries, state that belongs in the URL vs the component, loading/empty/error states, forms, optimistic updates, build vs adopt. NOT the visual system (`design`), NOT framework mechanics (`react`/`nextjs`).

lukasa1993 Bundle

Integrating TanStack DB with meta-frameworks (TanStack Start, Next.js, Remix, Nuxt, SvelteKit). Client-side only: SSR is NOT supported — routes must disable SSR. Preloading eager collections in route loaders with collection.preload(). On-demand Query Collections require preloading the live query because source collection preload is a no-op. Multiple collection preloading with Promise.all. Framework-specific loader APIs.

lukasa1993 Bundle

Install TanStack Devtools, pick framework adapter (React/Vue/Solid/Preact), register plugins via plugins prop, configure shell (position, hotkeys, theme, hideUntilHover, requireUrlFlag, eventBusConfig). TanStackDevtools component, defaultOpen, localStorage persistence.

lukasa1993 Bundle

Connect Vue Table v9 refs or instances to Devtools with tableDevtoolsPlugin and useTanStackTableDevtools. Load for missing targets, reactive table replacement, required options.key, enabled state, cleanup, or development gating.

lukasa1993 Bundle

SQLite-backed persistence for TanStack DB collections. persistedCollectionOptions wraps any adapter (Electric, Query, PowerSync, or local-only) with durable local storage. Platform adapters: browser (WA-SQLite OPFS), React Native (op-sqlite), Expo (expo-sqlite), Electron (IPC), Node (better-sqlite3), Capacitor, Tauri, Cloudflare Durable Objects. Multi-tab/multi-process coordination via BrowserCollectionCoordinator / ElectronCollectionCoordinator / SingleProcessCoordinator. schemaVersion for migration resets. Local-only mode for offline-first without a server. Applied transaction log pruning and safe full-reload recovery.

lukasa1993 Bundle

Connect React Table v9 instances to Devtools with tableDevtoolsPlugin and useTanStackTableDevtools. Load for missing Table panels, registration lifecycle, required options.key, enabled state, or development versus explicit production exports.

lukasa1993 Bundle

Connect native Preact Table v9 instances to Devtools with tableDevtoolsPlugin and useTanStackTableDevtools. Load for React-package mixups, missing targets, required options.key, enabled state, cleanup, or development gating.

lukasa1993 Bundle

Read Vue-backed table.atoms/store in templates, computed, watch, or table.Subscribe; own slices with refs/computed or external Vue Store atoms; and apply updater callbacks while preserving reactive option shapes.

lukasa1993 Bundle

Link component, useNavigate, Navigate component, router.navigate, ToOptions/NavigateOptions/LinkOptions, from/to relative navigation, activeOptions/activeProps, preloading (intent/viewport/render), preloadDelay, navigation blocking (useBlocker, Block), createLink, linkOptions helper, scroll restoration, MatchRoute.