fix(web): corrige warnings do console — AntD deprecations, keys duplicadas, 404

- DevLogin: Space orientation (era direction), Alert title (era message),
  keys únicas por role (rep-29/sup-29/mgr-29), loading key alinhado
- router: notFoundComponent configurado — elimina aviso do TanStack Router

Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>

apps/web/src/lib/router.tsx

@@ -1,4 +1,11 @@
-import { createRouter, createRootRoute, createRoute, Outlet } from '@tanstack/react-router';
+import {
+  createRouter,
+  createRootRoute,
+  createRoute,
+  Outlet,
+  notFound,
+} from '@tanstack/react-router';
+import { Typography } from 'antd';
 import { AppShell } from '../components/layout/AppShell';
 import { RafaelPainel } from '../cockpits/rafael/RafaelPainel';
 import { ClientsPage } from '../cockpits/rafael/ClientsPage';
@@ -27,12 +34,26 @@ function HomeRoute() {
   return role === 'supervisor' || role === 'manager' ? <SandraPainel /> : <RafaelPainel />;
 }
 
+function NotFoundPage() {
+  return (
+    <div style={{ padding: 48, textAlign: 'center' }}>
+      <Typography.Title level={3} type="secondary">
+        Página não encontrada
+      </Typography.Title>
+    </div>
+  );
+}
+
+// Suprime aviso de notFound não utilizado — usado via throw notFound() em loaders futuros.
+void notFound;
+
 const rootRoute = createRootRoute({
   component: () => (
     <AppShell>
       <Outlet />
     </AppShell>
   ),
+  notFoundComponent: NotFoundPage,
 });
 
 const indexRoute = createRoute({