fix: unique keyHash in download URL path + 2s reload delay for save callback

static/carbone.js

@@ -283,9 +283,11 @@ function closeOnlyofficeEditor() {
   // Reload the page to clear ONLYOFFICE's in-memory state.
   // Save the active page so the user returns to Templates automatically
   sessionStorage.setItem('returnPage', 'templates');
+  // Wait 2 seconds for the save callback (status=2) to complete
+  // on our backend before reloading the page
   setTimeout(() => {
     location.reload();
-  }, 300);
+  }, 2000);
 }
 
 // Open ONLYOFFICE editor in a modal

static/index.html

@@ -139,7 +139,7 @@
 <!-- Modals -->
 <div class="modal-overlay" id="modal-overlay"></div>
 
-<script src="/static/app.js?v=8"></script>
-<script src="/static/carbone.js?v=8"></script>
+<script src="/static/app.js?v=9"></script>
+<script src="/static/carbone.js?v=9"></script>
 </body>
 </html>