feat: publish approved RF4 media catalog

apps/web/src/pages/api/v1/media/assets/[digest].ts

@@ -0,0 +1,21 @@
+import type { APIRoute } from "astro";
+
+const apiBase = process.env.API_INTERNAL_URL || import.meta.env.API_INTERNAL_URL || "http://localhost:8000";
+
+export const GET: APIRoute = async ({ params }) => {
+  const digest = params.digest ?? "";
+  if (!/^[a-f0-9]{64}$/.test(digest)) return new Response("Not found", { status: 404 });
+
+  try {
+    const upstream = await fetch(`${apiBase}/api/v1/media/assets/${digest}`);
+    if (!upstream.ok || !upstream.body) return new Response("Not found", { status: upstream.status === 404 ? 404 : 502 });
+    const headers = new Headers();
+    for (const name of ["content-type", "content-length", "cache-control", "etag"]) {
+      const value = upstream.headers.get(name);
+      if (value) headers.set(name, value);
+    }
+    return new Response(upstream.body, { status: 200, headers });
+  } catch {
+    return new Response("Media service unavailable", { status: 502 });
+  }
+};