Astro Patterns SDK: v3+. Requires Astro 4.15+. What Do You Need? | Task | Reference | |------|-----------| | Configure middleware | references/middleware.md | | Protect SSR pages | references/ssr-pages.md | | Use Clerk in island components | references/island-components.md | | Auth in API routes | references/api-routes.md | | Use Clerk with React in Astro | references/astro-react.md | Mental Model Astro has two rendering modes per page: SSR and static prerender . Clerk works differently in each: - SSR pages — use which is populated by the middleware - Static pages ( ) — Clerk middleware skips…