fix: re-fetch media from Fedify when stored timeline item has none

Post-detail view now re-fetches from the origin server when the stored
timeline item has empty photo/video/audio arrays (from before the async
iteration fix). On successful extraction, updates MongoDB so future
views don't need to re-fetch.

lib/controllers/post-detail.js

@@ -153,7 +153,15 @@ export function postDetailController(mountPath, plugin) {
 
       let object = null;
 
-      if (!timelineItem) {
+      // If stored item has no media, re-fetch from Fedify to pick up
+      // attachments that were missed before the async iteration fix.
+      const storedHasNoMedia =
+        timelineItem &&
+        (!timelineItem.photo || timelineItem.photo.length === 0) &&
+        (!timelineItem.video || timelineItem.video.length === 0) &&
+        (!timelineItem.audio || timelineItem.audio.length === 0);
+
+      if (!timelineItem || storedHasNoMedia) {
         // Not in local timeline — fetch via lookupObject
         const handle = plugin.options.actor.handle;
         const ctx = plugin._federation.createContext(
@@ -185,7 +193,8 @@ export function postDetailController(mountPath, plugin) {
           }
         }
 
-        if (!object) {
+        if (!object && !storedHasNoMedia) {
+          // Truly not found (no local item either)
           return response.status(404).render("activitypub-post-detail", {
             title: response.locals.__("activitypub.reader.post.title"),
             notFound: true, objectUrl, mountPath,
@@ -194,6 +203,7 @@ export function postDetailController(mountPath, plugin) {
           });
         }
 
+        if (object) {
           // If it's an actor (Person, Service, Application), redirect to profile
           if (
             object instanceof Person ||
@@ -208,21 +218,43 @@ export function postDetailController(mountPath, plugin) {
           // Extract timeline item data from the Fedify object
           if (object instanceof Note || object instanceof Article) {
             try {
-            timelineItem = await extractObjectData(object);
+              const freshItem = await extractObjectData(object);
+
+              // If re-fetch found media that the stored item was missing, update MongoDB
+              if (storedHasNoMedia && timelineCol) {
+                const hasMedia =
+                  (freshItem.photo && freshItem.photo.length > 0) ||
+                  (freshItem.video && freshItem.video.length > 0) ||
+                  (freshItem.audio && freshItem.audio.length > 0);
+                if (hasMedia) {
+                  await timelineCol.updateOne(
+                    { $or: [{ uid: objectUrl }, { url: objectUrl }] },
+                    { $set: { photo: freshItem.photo, video: freshItem.video, audio: freshItem.audio } },
+                  ).catch(() => {});
+                }
+              }
+
+              timelineItem = freshItem;
             } catch (error) {
+              // If re-extraction fails but we have a stored item, use it
+              if (!storedHasNoMedia) {
                 console.error(`[post-detail] extractObjectData failed for ${objectUrl}:`, error.message);
                 return response.status(500).render("error", {
                   title: "Error",
                   content: "Failed to extract post data",
                 });
               }
-        } else {
+              // storedHasNoMedia=true means timelineItem still has the stored data
+            }
+          } else if (!storedHasNoMedia) {
             return response.status(400).render("error", {
               title: "Error",
               content: "Object is not a viewable post (must be Note or Article)",
             });
           }
         }
+        // If object is null and storedHasNoMedia, we fall through with the stored timelineItem
+      }
 
       // Build interaction state for this post
       const interactionMap = {};

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@rmdes/indiekit-endpoint-activitypub",
-  "version": "2.0.18",
+  "version": "2.0.19",
   "description": "ActivityPub federation endpoint for Indiekit via Fedify. Adds full fediverse support: actor, inbox, outbox, followers, following, syndication, and Mastodon migration.",
   "keywords": [
     "indiekit",