add error/loading/404 boundaries, responsive tables, Metadata API

src/components/admin/skills/pending-skill-requests.tsx

@@ -99,6 +99,7 @@ export function PendingSkillRequests({ initialRows }: Props) {
           {error}
         </div>
       )}
+      <div className="overflow-x-auto">
       <table className="w-full text-sm">
         <thead className="text-xs text-text-muted text-left">
           <tr>
@@ -199,6 +200,7 @@ export function PendingSkillRequests({ initialRows }: Props) {
           ))}
         </tbody>
       </table>
+      </div>
     </Card>
   );
 }