fix: redirect authenticated dash login

front-end-dash.aggios.app/app/login/page.tsx

@@ -4,7 +4,7 @@ import { useState, useEffect } from "react";
 import Link from "next/link";
 import { Button, Input, Checkbox } from "@/components/ui";
 import toast, { Toaster } from 'react-hot-toast';
-import { saveAuth } from '@/lib/auth';
+import { saveAuth, isAuthenticated } from '@/lib/auth';
 import dynamic from 'next/dynamic';
 
 const ThemeToggle = dynamic(() => import('@/components/ThemeToggle'), { ssr: false });
@@ -20,12 +20,17 @@ export default function LoginPage() {
     });
 
     useEffect(() => {
-        // Detectar se é dash (SUPERADMIN) ou agência
         if (typeof window !== 'undefined') {
             const hostname = window.location.hostname;
             const sub = hostname.split('.')[0];
+            const superAdmin = sub === 'dash';
             setSubdomain(sub);
-            setIsSuperAdmin(sub === 'dash');
+            setIsSuperAdmin(superAdmin);
+
+            if (isAuthenticated()) {
+                const target = superAdmin ? '/superadmin' : '/dashboard';
+                window.location.href = target;
+            }
         }
     }, []);
 
@@ -68,15 +73,15 @@ export default function LoginPage() {
 
             const data = await response.json();
 
-            localStorage.setItem('token', data.token);
-            localStorage.setItem('user', JSON.stringify(data.user));
+            saveAuth(data.token, data.user);
 
             console.log('Login successful:', data.user);
 
             toast.success('Login realizado com sucesso! Redirecionando...');
 
             setTimeout(() => {
-                window.location.href = '/dashboard';
+                const target = isSuperAdmin ? '/superadmin' : '/dashboard';
+                window.location.href = target;
             }, 1000);
         } catch (error: any) {
             toast.error(error.message || 'Erro ao fazer login. Verifique suas credenciais.');