fix

frontend/src/documents/DocumentInfoPanel.jsx

@@ -219,6 +219,20 @@ const DocumentInfoPanel = ({
     return visibleTabs[0].id;
   }, [visibleTabs, defaultTabId]);
 
+  const renderTabContent = (tab, context = {}) => {
+    if (!tab) {
+      return null;
+    }
+    if (typeof tab.render === 'function') {
+      return tab.render(context);
+    }
+    if (tab.component) {
+      const TabComponent = tab.component;
+      return <TabComponent {...context} />;
+    }
+    return React.isValidElement(tab.render) ? tab.render : null;
+  };
+
   const isControlled = controlledActiveTab !== undefined && controlledActiveTab !== null;
   const [uncontrolledTab, setUncontrolledTab] = useState(
     isControlled ? controlledActiveTab : fallbackTabId,