fix: harden public download companion sync

server.mjs

@@ -4276,7 +4276,7 @@ api.get('/sessions/:sessionId/events', async (req, res, next) => {
         messages = null;
       }
     }
-    await syncPublicHtmlAfterFinish({
+    const syncResult = await syncPublicHtmlAfterFinish({
       messages,
       currentUser: req.currentUser,
       publishDir,
@@ -4285,6 +4285,11 @@ api.get('/sessions/:sessionId/events', async (req, res, next) => {
           ? (userId, options) => mindSpaceAssets.syncWorkspaceAssets(userId, options)
           : null,
     });
+    if (Array.isArray(syncResult?.docxSync?.missing) && syncResult.docxSync.missing.length > 0) {
+      console.warn(
+        `[MindSpace] missing public download files after finish for user ${uid}: ${syncResult.docxSync.missing.join(', ')}`,
+      );
+    }
     await syncUserGeneratedPages(uid);
   };
   return tkmindProxy.proxySessionEvents(req, res, sessionId, {