chore(admin): temporarily disable upload feature

app/admin/page.tsx

@@ -80,11 +80,13 @@ function QuickAction({
   title,
   description,
   icon: Icon,
+  disabled = false,
 }: {
   href: string;
   title: string;
   description: string;
   icon: typeof ClipboardList;
+  disabled?: boolean;
 }) {
   return (
     <Card size="sm">
@@ -95,11 +97,17 @@ function QuickAction({
         </CardTitle>
         <CardDescription>{description}</CardDescription>
         <CardAction>
-          <Button variant="ghost" size="icon-sm" asChild>
-            <Link href={href} aria-label={`Open ${title}`}>
+          {disabled ? (
+            <Button variant="ghost" size="icon-sm" disabled aria-label={`${title} disabled`}>
               <ArrowUpRight />
-            </Link>
-          </Button>
+            </Button>
+          ) : (
+            <Button variant="ghost" size="icon-sm" asChild>
+              <Link href={href} aria-label={`Open ${title}`}>
+                <ArrowUpRight />
+              </Link>
+            </Button>
+          )}
         </CardAction>
       </CardHeader>
     </Card>
@@ -348,6 +356,7 @@ export default async function AdminPage() {
               title="Video uploads"
               description="Publish and monitor platform jobs."
               icon={Upload}
+              disabled
             />
             <QuickAction
               href="/admin/backend"