feat: แกไขสวน pages.jsx, layout.jsx

frontend/lib/rbac.js

@@ -1,7 +1,8 @@
+// lib/rbac.js
 export function can(user, perm) {
   const set = new Set(user?.permissions || []);
   return set.has(perm);
 }
 export function inRole(user, ...roles) {
   return roles.includes(user?.role);
-}
+}