Manages shadcn-svelte components and projects โ adding, updating, fixing, debugging, styling, and composing UI. Provides project context, component docs, and usage examples. Applies when working with shadcn-svelte, the CLI, design-system presets, or any project with a components.json file. Also triggers for "shadcn-svelte init", "add component", or registry URLs.
Comprehensive Tailwind CSS v4 documentation snapshot and workflow guidance. Use when answering Tailwind v4 questions, selecting utilities/variants, configuring Tailwind v4, or migrating projects from v3 to v4 with official docs and gotcha checks.