fix: unique container ID per editor session + 1.5s settle delay on close

static/carbone.js

@@ -275,7 +275,9 @@ async function openOnlyofficeEditor(templateId, templateName) {
     const config = data.config;
     const onlyofficeUrl = data.onlyofficeUrl;
 
-    // Build the editor modal
+    // Build the editor modal with a unique container ID each time
+    // so ONLYOFFICE never reuses a cached DOM element
+    const containerId = 'oo-editor-' + Date.now();
     const body = `
       <div class="flex-between mb-16">
         <h3>Editing: ${templateName}</h3>
@@ -284,7 +286,7 @@ async function openOnlyofficeEditor(templateId, templateName) {
           <button class="btn btn-sm btn-danger" onclick="closeOnlyofficeEditor()">Close Editor</button>
         </div>
       </div>
-      <div id="onlyoffice-editor-container" style="width:100%;height:800px;border:1px solid var(--border);border-radius:8px;overflow:hidden"></div>
+      <div id="${containerId}" style="width:100%;height:800px;border:1px solid var(--border);border-radius:8px;overflow:hidden"></div>
       <p class="text-muted text-sm mt-8">Changes are saved automatically. Click "Save" to force-save, or "Close Editor" to return to the template list.</p>
     `;
     showModal(body, '', 'xlarge');
@@ -307,7 +309,7 @@ async function openOnlyofficeEditor(templateId, templateName) {
       throw new Error('ONLYOFFICE API not loaded. Check that the server is running at ' + onlyofficeUrl);
     }
 
-    onlyofficeEditorInstance = new DocsAPI.DocEditor('onlyoffice-editor-container', {
+    onlyofficeEditorInstance = new DocsAPI.DocEditor(containerId, {
       ...config,
       width: '100%',
       height: '800px',
@@ -354,8 +356,10 @@ function closeOnlyofficeEditor() {
     onlyofficeEditorInstance = null;
   }
   closeModal();
-  // Refresh the templates list to show any changes
-  loadOnlyofficeTemplates();
+  // Wait 1.5s for ONLYOFFICE save callbacks to settle, then refresh
+  setTimeout(() => {
+    loadOnlyofficeTemplates();
+  }, 1500);
 }
 
 // Call status check when templates page becomes active