Update public feature details and align SEO metadata

src/components/marketing/structured-data.tsx

@@ -0,0 +1,13 @@
+import { headers } from "next/headers";
+import { serializeStructuredData } from "@/lib/marketing/seo";
+
+export async function StructuredData({ data }: { data: unknown }) {
+  const nonce = (await headers()).get("x-nonce") ?? undefined;
+  return (
+    <script
+      type="application/ld+json"
+      nonce={nonce}
+      dangerouslySetInnerHTML={{ __html: serializeStructuredData(data) }}
+    />
+  );
+}