fix(auth): agregar buildUserSession con can_manage y roles para evitar error 500 en dashboard de docente, bedelia y alumno

frontend/src/app.js

@@ -161,36 +161,18 @@ env.addFilter('_', translateHelper);
 
 app.set('view engine', 'html');
 
+const { buildUserSession } = require('./middlewares/authMiddleware');
+
 // Helper para extraer usuario de cookie si existe
 app.use((req, res, next) => {
     const token = req.cookies.auth_token;
-    let user = {
-        name: 'System',
-        first_name: 'System',
-        email: 'admin@edu-space.com',
-        role: 'admin',
-        is_authenticated: Boolean(token),
-        is_admin: () => true,
-        has_permission: () => true,
-        has_role: () => true,
-        can_edit_reservation: () => true,
-        can_delete_reservation: () => true,
-        get_institutional_role: () => 'admin',
-        role_badge_display: { class: 'bg-primary text-white', icon: 'bi-shield-check', label: 'Administrador' }
-    };
+    let user = buildUserSession({ role: 'admin', name: 'System', email: 'admin@edu-space.com' });
+    user.is_authenticated = Boolean(token);
+    
     if (token) {
         try {
             const decoded = JSON.parse(Buffer.from(token.split('.')[1], 'base64').toString('utf8'));
-            const roleStr = (decoded.role || 'Admin').toLowerCase();
-            user = {
-                ...user,
-                id: decoded.sub,
-                name: decoded.name || 'System',
-                first_name: (decoded.name || 'System').split(' ')[0],
-                email: decoded.email || 'admin@edu-space.com',
-                role: roleStr,
-                is_admin: () => roleStr === 'admin' || decoded.is_admin === true
-            };
+            user = buildUserSession(decoded);
         } catch (e) {}
     }
     let isImpersonating = false;