feat(cluster-folder-view): add conditional navigation rendering

- Introduce `showNavigation` prop to control the visibility of the navigation header and breadcrumbs in the ClusterFolderView component.
- Update ClusterPage to set `showNavigation` to false, disabling navigation for specific use cases.

src/app/clusters/[id]/page.tsx

@@ -401,6 +401,7 @@ export default function ClusterPage({ params }: ClusterPageProps) {
             onVideoClick={handleVideoClick}
             onPhotoClick={handlePhotoClick}
             onTextClick={handleTextClick}
+            showNavigation={false}
           />
         )}
 

src/components/cluster-folder-view.tsx

@@ -51,6 +51,7 @@ interface ClusterFolderViewProps {
   onVideoClick: (video: FileSystemItem) => void;
   onPhotoClick: (photo: FileSystemItem, index: number) => void;
   onTextClick: (text: FileSystemItem) => void;
+  showNavigation?: boolean;
 }
 
 export default function ClusterFolderView({
@@ -59,7 +60,8 @@ export default function ClusterFolderView({
   libraries: clusterLibraries,
   onVideoClick,
   onPhotoClick,
-  onTextClick
+  onTextClick,
+  showNavigation = true
 }: ClusterFolderViewProps) {
   const router = useRouter();
   const [currentPath, setCurrentPath] = useState<string | null>(null); // null = virtual root
@@ -333,7 +335,8 @@ export default function ClusterFolderView({
   // Render Folder View (using VirtualizedFolderGrid)
   return (
     <div className="space-y-4">
-      {/* Custom Header with Breadcrumbs */}
+      {/* Custom Header with Breadcrumbs - only show if showNavigation is true */}
+      {showNavigation && (
         <div className="flex items-center gap-4">
           <Button
             variant="ghost"
@@ -375,6 +378,7 @@ export default function ClusterFolderView({
             ))}
           </nav>
         </div>
+      )}
 
       {/* Folder Grid */}
       <VirtualizedFolderGrid