Code guidelines for Cloudflare Worker implementations. Use when editing, reviewing, or executing a Cloudflare Worker; e.g. D1 queries, handlers, Wrangler commands, and Wrangler configurations.
Code guidelines for TSX files. Use when editing or reviewing `.tsx` files, i.e. TypeScript React components.
Code guidelines for JavaScript/TypeScript end-to-end, integration, and unit tests. Use when authoring or reviewing `**/*.test.ts` and `**/*.test.tsx` files, e.g. Playwright, Vitest.
TypeScript guidelines. Use when editing or reviewing `**/*.ts` and `**/*.tsx` files.
Use this skill to create a new design system.