upgrade: modernização automatizada Logto_Supa

src/main.js

@@ -1,3 +1,47 @@
+
+// --- LOGTO AUTH GUARD ---
+import LogtoClient from '@logto/browser';
+
+// Escondemos o app imediatamente
+const style = document.createElement('style');
+style.innerHTML = 'body { display: none !important; }';
+document.head.appendChild(style);
+
+const logtoClient = new LogtoClient({
+  endpoint: import.meta.env.VITE_LOGTO_ENDPOINT,
+  appId: import.meta.env.VITE_LOGTO_APP_ID,
+  resource: 'https://default.logto.app/api',
+  scopes: ['openid', 'offline_access', 'profile', 'email', 'organizations'],
+});
+
+async function protectPage() {
+  const isCallback = window.location.pathname.includes('callback');
+  
+  if (isCallback) {
+    try {
+      await logtoClient.handleSignInCallback(window.location.href);
+      window.location.assign('/'); 
+    } catch (error) {
+      console.error('Falha no callback do Logto:', error);
+    }
+    return;
+  }
+
+  const isAuthenticated = await logtoClient.isAuthenticated();
+  if (!isAuthenticated) {
+    await logtoClient.signIn(window.location.origin);
+    return;
+  }
+
+  // Se chegou aqui, está logado. Mostramos o app.
+  style.remove();
+  console.log('TSCUT: Acesso autorizado.');
+}
+
+// Execução imediata
+protectPage();
+// -------------------------
+
 import * as XLSX from 'xlsx';
 import Papa from 'papaparse';
 import './style.css';