feat(web): pantalla de permisos de menú (/admin/permisos)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

apps/web/src/app/app.routes.ts

@@ -43,10 +43,20 @@ const devRoutes: Routes = [
   },
 ];
 
+/** Administración: el permiso de menú `/admin/permisos` solo lo da el acceso total (`*`). */
+const adminRoutes: Routes = [
+  {
+    path: 'admin/permisos',
+    canActivate: [permissionGuard],
+    data: { path: '/admin/permisos', title: 'Permisos de menú' },
+    loadComponent: () => import('./features/admin/permissions.page').then((m) => m.PermissionsPage),
+  },
+];
+
 /** Resto de pantallas del menú (maestros, etc.): aún sin construir. */
-const documentPaths = new Set(DOCUMENT_SCREENS.map((s) => s.path));
+const builtPaths = new Set([...DOCUMENT_SCREENS.map((s) => s.path), '/admin/permisos']);
 const pendingRoutes: Routes = MENU.flatMap((m) => m.items)
-  .filter((item) => !documentPaths.has(item.path))
+  .filter((item) => !builtPaths.has(item.path))
   .map(
     (item): Route => ({
       path: item.path.slice(1),
@@ -74,6 +84,7 @@ export const routes: Routes = [
       },
       ...devRoutes,
       ...documentRoutes,
+      ...adminRoutes,
       ...pendingRoutes,
     ],
   },