semantic update

frontend/src/routes/tools/storage/+page.svelte

@@ -76,11 +76,21 @@
   }
   // [/DEF:handleDelete:Function]
 
+  // [DEF:handleNavigate:Function]
+  /**
+   * @purpose Updates the current path and reloads files when navigating into a directory.
+   * @param   {CustomEvent} event - The navigation event containing the new path.
+   */
   function handleNavigate(event) {
     currentPath = event.detail;
     loadFiles();
   }
+  // [/DEF:handleNavigate:Function]
 
+  // [DEF:navigateUp:Function]
+  /**
+   * @purpose Navigates one level up in the directory structure.
+   */
   function navigateUp() {
     if (!currentPath || currentPath === activeTab) return;
     const parts = currentPath.split('/');
@@ -88,6 +98,7 @@
     currentPath = parts.join('/') || '';
     loadFiles();
   }
+  // [/DEF:navigateUp:Function]
 
   onMount(loadFiles);