Move the use-case index onto Learn so the pilot stories stay reachable, and make share images resolve on the host that serves the page.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/(marketing)/use-cases/[slug]/page.tsx

@@ -26,7 +26,9 @@ export function generateStaticParams() {
   return USE_CASE_DETAIL_SLUGS.map((slug) => ({ slug }));
 }
 
-export async function generateMetadata({ params }: PageProps): Promise<Metadata> {
+export async function generateMetadata({
+  params,
+}: PageProps): Promise<Metadata> {
   const { slug } = await params;
   if (!isUseCaseDetailSlug(slug)) {
     return {};
@@ -59,7 +61,8 @@ export default async function UseCaseDetailPage({ params }: PageProps) {
   const syntheticPost = buildUseCaseSyntheticPost(slug, detail);
   const { ruleCard, askOrganizer } = entry;
 
-  const askVariant = (askOrganizer.variant ?? "use-case-detail") as AskOrganizerVariant;
+  const askVariant = (askOrganizer.variant ??
+    "use-case-detail") as AskOrganizerVariant;
 
   const structuredData = {
     "@context": "https://schema.org",
@@ -87,8 +90,8 @@ export default async function UseCaseDetailPage({ params }: PageProps) {
       {
         "@type": "ListItem",
         position: 2,
-        name: "Use cases",
-        item: "https://communityrule.com/use-cases",
+        name: "Learn",
+        item: "https://communityrule.com/learn",
       },
       {
         "@type": "ListItem",