Prefer reference manifest over fallback

scripts/deploy.mjs

@@ -328,20 +328,17 @@ async function getLatestManifestFromAo() {
   }
 }
 
-function timestampMs(value) {
-  if (typeof value !== "string" || !value) return 0;
-  const parsed = Date.parse(value);
-  return Number.isNaN(parsed) ? 0 : parsed;
-}
+async function fetchPostSlugs(gateway, blogManifestTxId) {
+  if (!blogManifestTxId) return null;
 
-function manifestFreshness(payload) {
-  const posts = Array.isArray(payload?.posts) ? payload.posts : [];
-  return Math.max(
-    timestampMs(payload?.updated),
-    timestampMs(payload?.date),
-    timestampMs(payload?.generatedAt),
-    ...posts.map((post) => Math.max(timestampMs(post?.updated), timestampMs(post?.publishedAt)))
-  );
+  const response = await fetch(`${gateway.replace(/\/+$/, "")}/${blogManifestTxId}`);
+  if (!response.ok) return null;
+  const payload = await response.json();
+  if (!Array.isArray(payload?.posts)) return null;
+
+  return payload.posts
+    .map((post) => (typeof post?.slug === "string" ? post.slug.trim() : ""))
+    .filter((slug) => slug.length > 0);
 }
 
 async function resolvePostSlugs(gateway) {
@@ -351,28 +348,16 @@ async function resolvePostSlugs(gateway) {
     await resolveBlogManifestTxId()
   ].filter(Boolean);
 
-  const manifests = [];
   for (const blogManifestTxId of candidates) {
     try {
-      const response = await fetch(`${gateway.replace(/\/+$/, "")}/${blogManifestTxId}`);
-      if (!response.ok) continue;
-      const payload = await response.json();
-      if (!Array.isArray(payload?.posts)) continue;
-      manifests.push({
-        txId: blogManifestTxId,
-        freshness: manifestFreshness(payload),
-        posts: payload.posts
-      });
+      const slugs = await fetchPostSlugs(gateway, blogManifestTxId);
+      if (slugs) return slugs;
     } catch {
       // Try the next manifest source.
     }
   }
 
-  if (!manifests.length) return [];
-  manifests.sort((a, b) => b.freshness - a.freshness);
-  return manifests[0].posts
-    .map((post) => (typeof post?.slug === "string" ? post.slug.trim() : ""))
-    .filter((slug) => slug.length > 0);
+  return [];
 }
 
 async function main() {