Web & Frontend

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Guide for implementing Langflow frontend query and mutation patterns with Axios and TanStack React Query v5. Trigger when creating or updating API hooks in controllers/API/queries, consuming UseRequestProcessor in components, deciding whether to use useQuery or useMutation, handling conditional queries, cache invalidation, mutation error handling, or migrating legacy API calls to the query hook pattern.

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Scan every frontend surface touched by the current PR/branch for IBM Equal Access Level 1 accessibility issues and fix all in-scope violations by default. Discovers changed files, maps them to routes/components/states, runs both axe and IBM engines, remediates until both are green (or only documented baselines remain), and reports back. Use when the user asks to check, scan, or clean up accessibility for "this PR", "my branch", or "my changes" and wants fixes applied, not just a report. For a single scoped audit report without a default fix pass, use ibm-a11y-level1-audit; for a route batch scan only, use ibm-a11y-route-scan.

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Use when a user needs a legal or legal-adjacent Mermaid diagram from a document, pasted text, matter description, process, timeline, party map, obligation map, corporate structure, funds flow, or compliance workflow. Trigger on: "diagram this contract", "visualise this deal/matter", "map the parties", "create a timeline of events", "make an org chart", "obligation checklist", "export as HTML diagram". Not for general-purpose non-legal diagrams, pure graphic design, image generation, or legal advice.

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Apply, review, and explain the opinionated conventions in the TypeScript Style Guide. Use automatically only when TypeScript conventions are part of the requested task, including type modelling, discriminated unions, function APIs, variables and state, naming, source organization, React props, component APIs, state management, data flow, or tests. Do not use for styling or layout alone.

gabrielmoreira Skill

A first-30-days onboarding module for new hospitality hires — the behaviors, the practice, the checks, and the manager follow-up. Built as a decision-grade professional training deck for new hires, managers.

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Creator-facing social media analytics dashboard in a single HTML file. A platform switcher (X / LinkedIn / YouTube / Instagram), a row of KPI cards (followers, engagement rate, likes, reposts), a follower-growth chart, a "top post this week" preview, and a trending topics / top comments side panel. Use when the brief mentions a "social media dashboard", "creator analytics", "social analytics", or names specific platforms (X, Twitter, LinkedIn, YouTube, Instagram, TikTok) together with metrics like followers, engagement, likes, reposts.

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Write the implementation handoff — measurements, behaviours, assets, states, and edge cases. Use when engineering picks up the work. For verifying the result afterwards use `design-qa-checklist`; for reusable library components use `component-spec` (design-systems).

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Design a UI component spec to the house quality bar — anatomy, variants, sizes, the 8 states, token mapping, and accessibility. Use when the user wants to design or document a component (button, input, tabs, toast, combobox, date picker, modal, etc.) at the spec level before or alongside code. For generating framework code, use design-code.

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Use when migrating frontend code from manual API client calls (`api.get`, `api.create`, `api.surveys.get`, `api.dashboards.list`, `new ApiRequest()`) and handwritten TypeScript interfaces to generated API functions and types. Triggers on files importing from `lib/api`, files with `api.get<`, `api.create<`, `api.<entity>.<method>`, manual interface definitions that duplicate backend serializers, or any frontend file that constructs API URLs by hand. Covers the full replacement workflow — finding the generated equivalent, swapping imports, adapting call sites, and removing dead manual types.

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Helps PostHog engineers and agents pick the right chart when a request is about visualizing change over time, before/after comparisons, or period-over-period movement while building UI with @posthog/quill-charts (dashboards, reports, the mcp_analytics frontend, custom visualizations). Use when a user asks how something "changed", "moved", "grew", "dropped", "improved", or "regressed" between two points or periods, or mentions "before/after", "period over period", "week over week", "delta", "slope graph", "slopegraph", or comparing many series across two snapshots. Surfaces both the `SlopeChart` quill component and the native `ChartDisplayType.SlopeGraph` insight display as options.

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Build React applications using React Router's declarative mode with BrowserRouter. Use when configuring routes with JSX, navigating with Link/NavLink, or reading URL params and search params without data loaders or actions.

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Async/await and Promise optimization guidelines. Use when writing, reviewing, or refactoring asynchronous code to eliminate waterfalls and maximize parallelism. Triggers on tasks involving data fetching, loaders, actions, or Promise handling.

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Invoke FIRST, before creating, editing, or deleting components, stories, styles, CSS, themes, colors, or design tokens — anything that changes how the UI looks, no exceptions. Also for starting or previewing Storybook to verify UI, requests to show, browse, or list components, stories, or UI states, and docs, props, or usage lookups.

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Admin-side permission UI registration and DI-backed permission checking. Use this skill when adding permission controls to the admin UI — schema-based auto-generated forms, injectable permissions via createPermissionsAbstraction/ createPermissionsFeature, typed hooks (createUsePermissions), the HasPermission component (createHasPermission), and the Security.Permissions component props. Covers both simple apps and complex multi-entity permission schemas.

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针对 React、Next.js、状态管理、性能优化及 UI 最佳实践的前端开发模式。

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Establishes a project's quality bar as a written contract and stops agents quietly lowering it. Interviews the user on which dimensions matter, supplies sane default thresholds when they have no number in mind, records everything in CONSTRAINTS.md, and watches the diff for a weakened bar — new @ts-ignore or eslint-disable suppressions, skipped or deleted tests, assertions stripped out, unimplemented stubs, thresholds edited down. Use when no quality bar is written down, when the user says "set up constraints" or "define our standards", when the user wants dimensions they care about — accessibility, web performance, coverage — set up as enforced constraints, when an agent keeps silencing checks or skipping tests to get to green, when you need a coverage or performance threshold and don't know what number to pick, or when an agent writes more code than anyone will read.

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Manually validate a running web app or docs site with the Playwright MCP server — navigate pages, assert headings/text/status, check for console errors, hover/click to exercise interactions, take screenshots for human review, and verify visual details such as an icon's color in light vs dark mode by reading computed styles. USE FOR: "validate with Playwright", "open the browser and check", visually verifying a UI or docs change, confirming a CSS/SVG/icon edit rendered, checking a page for console errors, comparing light/dark mode appearance. DO NOT USE FOR: writing automated unit/E2E test files (dojo e2e lives in agui-dojo); docs-site content/structure checks specific to the .NET SDK docs (use agui-dotnet-sdk-docs). INVOKES: browser_navigate, browser_snapshot, browser_take_screenshot, browser_evaluate, browser_hover, browser_click, browser_console_messages Playwright MCP tools.

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Auvik device, network, interface, and component inventory across MSP tenants — including entity notes, audit logs, and billing usage. Use when discovering what devices Auvik manages, listing networks or interfaces, checking component health, reviewing annotated entity notes, auditing who changed managed entities, or pulling billing/usage data for a date range.

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Animate SVG character rigs with GSAP, CSS transforms, Remotion frame control, and HyperFrames-compatible browser previews.

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Accessible, performant, responsive UI patterns. Component design, state management discipline, and Core Web Vitals compliance.

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Orchestrate the Rust compiler port end-to-end. Discovers the current frontier, fixes failing passes, ports new passes, reviews, and commits in a loop.

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Use ALWAYS when a prompt mentions GraphQL, lightning/uiGraphQLApi, @wire(graphql, ...), or gql template tags in an LWC context — even if the surface ask is "build an LWC". Owns the ENTIRE flow: introspect the org's LDS GraphQL schema, identify entities/fields, construct the schema-validated gql query or mutation, wire it into the LWC via lightning/uiGraphQLApi, verify against a connected org. REQUIRED whenever a prompt asks to render, list, or edit Salesforce records (Account, Contact, Case, custom objects) via GraphQL — the .html and .js scaffolding IS in scope. DO NOT delegate to experience-lwc-generate: that skill has NO GraphQL schema introspection, NO create_lds_graphql_read_query binding, and defaults to getRecord/getRelatedListRecords wire adapters which will not satisfy a GraphQL prompt. DO NOT TRIGGER only if the prompt forbids GraphQL, chooses UIAPI/Apex (use experience-lds-best-practices-apply), or asks for data requirements (use experience-lds-data-requirements-generate).

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Implement Progressive Web App features for React and Svelte projects. This skill should be used when the user asks to 'make a PWA', 'add offline support', 'create a service worker', 'fix caching issues', or wants installable web apps. Keywords: PWA, service worker, offline, manifest, caching, installable, Workbox, vite-pwa.

gabrielmoreira Skill

Applies Jest and Testing Library patterns for React and React Native: getMockX factories, jest.mock GraphQL hooks, renderWithTheme providers, and red-green-refactor TDD. Trigger when writing unit tests, test factories, or module mocks. Do not use for Playwright or Cypress E2E, GitHub Actions workflow YAML, or shipping production features without a failing test first.

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Expert WCAG (Web Content Accessibility Guidelines) advisor covering WCAG 2.0, 2.1, and 2.2 — the W3C international accessibility standards. Use this skill whenever a user asks about WCAG success criteria, conformance levels (A/AA/AAA), accessibility audits, POUR principles, accessibility statements, ARIA patterns, colour contrast, keyboard accessibility, screen reader compatibility, mobile accessibility, cognitive accessibility, WCAG 2.2 new criteria, WCAG 3.0 preview, legal requirements referencing WCAG (EN 301 549, EAA, ADA, Section 508), or mapping WCAG to accessibility laws. Trigger for any web or digital content accessibility question — even if the user doesn't say "skill" or "WCAG".

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Convert a supplied HTML page or generated HTML reference into a screenshot-backed article containing multiple reusable interaction prompts. Use when the user provides an HTML file, exported page, generated-page.html, or local/live reference and asks to extract animation/interactions, create prompts, capture screenshots for each prompt, add them to an article, or commit the resulting article/assets.

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Add cursor-following fluid WebGPU distortion over an existing image with the Shaders library's ImageTexture and CursorRipples components. Use when a hero, gallery, or media panel needs a water-ripple mouse effect; when replacing a drifting CSS spotlight or flashlight reveal; or when a prompt says to borrow only the shader interaction from a Shaders.com reference while preserving the current brand, image, copy, and layout.

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Turn what's actually in the fridge and 90 minutes on Sunday into a week that mostly feeds itself — a cook-once-eat-thrice batch plan, the component method (bases, proteins, sauces that recombine so leftovers don't bore you), honest food-safety day-counts flagged, and the Thursday problem solved in advance. Use when someone says 'meal prep my week', 'what do I cook with what I have', 'we spend too much on takeaway', or 'I'm sick of eating the same thing four days'. Produces the Sunday cook plan, the recombination map, and the shopping delta.

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OpenDesign Teams: a launch-and-adoption proposal for a mid-market design team weighing a switch from closed cloud tools. Built as a decision-grade B2B sales deck for design team lead, IT.

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Five-dimension design quality review — score the artifact against craft, brand, accessibility, and copy, then fix what falls short before handing it over.

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UdonSharp scripting skill for VRChat SDK 3.10.5 (active and verified target). Use when writing, reviewing, debugging, or migrating UdonSharp C# and UdonBehaviour code. Positive triggers include UdonSharp, NetworkCallable, NetworkCalling, CallingPlayer, Udon network authorization, synced runtime state, a local public helper, public-method audit, C# to Udon conversion, and UdonSharp Assembly Version Defines. VRCQualitySettings and VRCTween calls, PhysBone/Contact callbacks, world VRCPhysBoneCollider runtime access, persistence, collection, web, and other component APIs trigger this skill when the request is about Udon, C#, or runtime API access. Excludes scene setup, component setup, Build Panel work, layers, optimization, and upload; route those requests to unity-vrc-world-sdk-3.

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Guide for adding a product setup empty state — the skippable first-run screen a product scene shows until real data arrives, built on the shared ProductEmptyState component. Use when adding an empty state or first-run/setup screen to a product scene, declaring `emptyState` on a `SceneExport`, writing a product setup-status detection logic, building an animated example-data preview widget, or migrating away from the deprecated `ProductIntroduction` component. Covers the `productSetupStatusLogic` single-layer contract, real-data detection rules, local-only skip semantics, wizard commands, and design tokens.

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Decide which tree a frontend file belongs in — `products/<name>/frontend/` or `frontend/src/scenes/<name>/` — and explain why the boundary is real rather than stylistic. Use when adding a new scene, component, or logic file for a product; when creating a new directory under `frontend/src/scenes/`; when a product has UI in both trees and you need to know which side to extend; or when moving a scene into its product. Covers the merge-queue lane cost of the split, the measurement showing a dependency graph cannot substitute for the path signal, and a report script that shows how far each product's move has gone.

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Build a new Node.js API endpoint (Next.js Route Handler or standalone Node/Express service) with validation, error handling, and structured responses following this repo's conventions. Use when asked to "add an endpoint", "create an API route", or "build a backend handler".

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React composition patterns that scale. Use when refactoring components with boolean prop proliferation, building flexible component libraries, or designing reusable APIs. Triggers on tasks involving compound components, render props, context providers, or component architecture. Includes React 19 API changes.

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Expert patterns for input handling covering InputMap actions, InputEvent processing, controller support, rebinding, deadzones, and input buffering. Use when setting up player controls, implementing input systems, or adding gamepad/accessibility features. Keywords InputMap, InputEvent, gamepad, controller, rebinding, deadzone, input buffer.