Fix login blank screen and progress persistence

- Fix authStore to persist user data, not just isAuthenticated
- Fix progressStore handling of undefined API responses
- Remove minimax.md documentation file
- All progress now properly saves to PostgreSQL
- Login flow working correctly

frontend/src/App.tsx

@@ -1,3 +1,4 @@
+import { useEffect } from 'react';
 import { BrowserRouter, Routes, Route, Navigate } from 'react-router-dom';
 import { useAuthStore } from './stores/authStore';
 import { Login } from './pages/Login';
@@ -5,6 +6,7 @@ import { Dashboard } from './pages/Dashboard';
 import { Modulos } from './pages/Modulos';
 import { Modulo } from './pages/Modulo';
 import { AdminPanel } from './pages/admin/AdminPanel';
+import { RecursosPage } from './pages/Recursos';
 
 function ProtectedRoute({ children }: { children: React.ReactNode }) {
   const { isAuthenticated, isLoading } = useAuthStore();
@@ -25,6 +27,12 @@ function ProtectedRoute({ children }: { children: React.ReactNode }) {
 }
 
 function App() {
+  const { checkAuth } = useAuthStore();
+
+  useEffect(() => {
+    checkAuth();
+  }, [checkAuth]);
+
   return (
     <BrowserRouter>
       <Routes>
@@ -53,6 +61,38 @@ function App() {
             </ProtectedRoute>
           }
         />
+        <Route
+          path="/modulo/1"
+          element={
+            <ProtectedRoute>
+              <Modulo />
+            </ProtectedRoute>
+          }
+        />
+        <Route
+          path="/modulo/2"
+          element={
+            <ProtectedRoute>
+              <Modulo />
+            </ProtectedRoute>
+          }
+        />
+        <Route
+          path="/modulo/3"
+          element={
+            <ProtectedRoute>
+              <Modulo />
+            </ProtectedRoute>
+          }
+        />
+        <Route
+          path="/modulo/4"
+          element={
+            <ProtectedRoute>
+              <Modulo />
+            </ProtectedRoute>
+          }
+        />
         <Route
           path="/admin"
           element={
@@ -61,6 +101,14 @@ function App() {
             </ProtectedRoute>
           }
         />
+        <Route
+          path="/recursos"
+          element={
+            <ProtectedRoute>
+              <RecursosPage />
+            </ProtectedRoute>
+          }
+        />
         <Route path="*" element={<Navigate to="/" replace />} />
       </Routes>
     </BrowserRouter>