chore(admin): temporarily disable upload feature

components/admin-shell.tsx

@@ -24,6 +24,7 @@ interface NavItem {
   label: string;
   icon: LucideIcon;
   isActive: (pathname: string) => boolean;
+  disabled?: boolean;
 }
 
 const NAV_ITEMS: NavItem[] = [
@@ -50,6 +51,7 @@ const NAV_ITEMS: NavItem[] = [
     label: "Upload",
     icon: Upload,
     isActive: (pathname) => pathname.startsWith("/admin/upload"),
+    disabled: true,
   },
   {
     href: "/admin/login",
@@ -99,14 +101,21 @@ export function AdminShell({
             <SidebarGroup>
               <SidebarGroupContent>
                 <SidebarMenu>
-                  {NAV_ITEMS.map(({ href, label, icon: Icon, isActive }) => (
+                  {NAV_ITEMS.map(({ href, label, icon: Icon, isActive, disabled }) => (
                     <SidebarMenuItem key={href}>
-                      <SidebarMenuButton asChild isActive={isActive(pathname)}>
-                        <Link href={href}>
+                      {disabled ? (
+                        <SidebarMenuButton disabled tooltip={`${label} temporarily disabled`}>
                           <Icon className="w-4 h-4" />
                           <span>{label}</span>
-                        </Link>
-                      </SidebarMenuButton>
+                        </SidebarMenuButton>
+                      ) : (
+                        <SidebarMenuButton asChild isActive={isActive(pathname)}>
+                          <Link href={href}>
+                            <Icon className="w-4 h-4" />
+                            <span>{label}</span>
+                          </Link>
+                        </SidebarMenuButton>
+                      )}
                     </SidebarMenuItem>
                   ))}
                 </SidebarMenu>