Update package-lock.json with new SWC binaries for various platforms; enhance Admin and Manage pages with folder path display and drag-and-drop functionality for posts, including move post API integration.

src/app/admin/page.tsx

@@ -572,6 +572,11 @@ export default function AdminPage() {
             </div>
           </div>
 
+          {/* Show current folder path above post creation form */}
+          <div className="mb-2 text-gray-500 text-sm">
+            Current folder: <span className="font-mono">{currentPath.join('/') || 'root'}</span>
+          </div>
+
           {/* Create Folder Form */}
           <div className="bg-white rounded-lg shadow p-6 mb-8">
             <h2 className="text-2xl font-bold mb-4">Create New Folder</h2>