chore: import upstream snapshot with attribution

apps/sim/app/(landing)/library/page.tsx

@@ -0,0 +1,41 @@
+import type { Metadata } from 'next'
+import { getAllPostMeta } from '@/lib/library/registry'
+import { buildCollectionPageJsonLd, buildIndexMetadata, LIBRARY_SECTION } from '@/lib/library/seo'
+import { ContentIndexPage } from '@/app/(landing)/components'
+
+/**
+ * Filtered/paginated variants render genuinely different lists, but only the
+ * bare index is indexable — see `buildIndexMetadata` in `@/lib/content/seo`
+ * for the shared noindex policy.
+ */
+export async function generateMetadata({
+  searchParams,
+}: {
+  searchParams: Promise<{ page?: string; tag?: string }>
+}): Promise<Metadata> {
+  const { page, tag } = await searchParams
+  const pageNum = Math.max(1, Number(page || 1))
+  return buildIndexMetadata({ tag, pageNum })
+}
+
+export default async function LibraryIndex({
+  searchParams,
+}: {
+  searchParams: Promise<{ page?: string; tag?: string }>
+}) {
+  const { page, tag } = await searchParams
+  const pageNum = Math.max(1, Number(page || 1))
+  const posts = await getAllPostMeta()
+
+  return (
+    <ContentIndexPage
+      basePath={LIBRARY_SECTION.basePath}
+      heading='The Sim Library'
+      subheading={LIBRARY_SECTION.description}
+      posts={posts}
+      page={pageNum}
+      tag={tag}
+      collectionJsonLd={buildCollectionPageJsonLd()}
+    />
+  )
+}