fix(dashboard): address code review feedback for PR #336

- Fix documentation: config.yaml -> settings.json in backups-section
- Wrap restoreBackup in useCallback for callback stability
- Auth middleware verified: inherited from app.use(authMiddleware)

ui/src/pages/settings/sections/backups-section.tsx

@@ -1,6 +1,6 @@
 /**
  * Backups Section
- * Settings section for managing config.yaml backups (list and restore)
+ * Settings section for managing settings.json backups (list and restore)
  */
 
 import { useEffect, useState, useCallback, useRef } from 'react';
@@ -73,8 +73,9 @@ export default function BackupsSection() {
     }
   }, []);
 
-  // Restore backup
+  // Restore backup (wrapped in useCallback for callback stability)
-  const restoreBackup = async (timestamp: string) => {
+  const restoreBackup = useCallback(
+    async (timestamp: string) => {
       // Abort previous restore request
       restoreAbortControllerRef.current?.abort();
       restoreAbortControllerRef.current = new AbortController();
@@ -104,7 +105,9 @@ export default function BackupsSection() {
       } finally {
         setRestoring(null);
       }
-  };
+    },
+    [fetchBackups, fetchRawConfig]
+  );
 
   // Load on mount
   useEffect(() => {
@@ -199,8 +202,8 @@ export default function BackupsSection() {
               <h2 className="text-lg font-semibold">Settings Backups</h2>
             </div>
             <p className="text-sm text-muted-foreground">
-              Restore previous versions of your config.yaml file. Backups are created automatically
+              Restore previous versions of your settings.json file. Backups are created
-              when settings are modified.
+              automatically when settings are modified.
             </p>
           </div>