arcadeum

Implement a feature from docs/ROADMAP.md end-to-end: branch, code, test, commit, push, open PR, fix CI. Use when user says "implement feature X from roadmap" or "start with feature X".

Deterministic LLM-first SEO audits for websites, blog posts, and GitHub repositories. Use this when the user asks to "perform SEO analysis", "run SEO audit", "analyze SEO", "check technical SEO", "review schema", "Core Web Vitals", "E-E-A-T", "hreflang", "GEO", "AEO", or GitHub repository SEO optimization. For full/page/repo audits, run bundled scripts for evidence and return prioritized, confidence-labeled fixes.

Use when implementing or reviewing accessibility (a11y) — ARIA attributes, keyboard navigation, focus management, color contrast, screen reader support, semantic HTML, form labels, error handling, or any WCAG compliance task. Trigger on keywords like a11y, accessibility, ARIA, keyboard, focus, screen reader, WCAG, contrast, VoiceOver, NVDA.

Use when implementing or reviewing frontend performance — bundle optimization, lazy loading, image optimization, caching, Core Web Vitals (LCP, FID/INP, CLS), code splitting, rendering strategies, or any speed/performance task. Trigger on keywords like performance, speed, bundle size, lazy load, Web Vitals, LCP, CLS, INP, cache, optimize, lighthouse, Core Web Vitals.

Check existing @arcadeum/ui components before implementing any new UI. Use before writing any component — reuse what exists, add to packages/ui if missing.

Create a git commit following the project's Conventional Commits convention with ARC ticket reference. Use when committing changes.

Add a new NestJS module to the backend (apps/be). Use when creating a new domain/feature in the backend.

Add a complete new multiplayer game to Arcadeum (BE engine + service + gateway + bot, web widget, landing page, registries, i18n, tests). Use when the user says "implement game X" or "add a new game".

Add a new screen to the mobile app (apps/mobile). Use when creating a new route/screen in the Expo Router app.

Add a new shared UI component to the @arcadeum/ui package (packages/ui). Use when creating reusable components shared across web and mobile.

Add a new page to the Next.js web app (apps/web). Use when creating a new route/page in the web app.