chore: testes de ponta a ponta no CI e limpeza do repositório

Job e2e separado no CI; testes de teclado, rolagem, sem JS, axe no celular e menu do celular; limites de metadados derivados do sitemap; sai @react-three/fiber e @react-three/drei; pastas de ferramentas (.augment, .kiro, .claude/settings.local.json) fora do Git.

.github/workflows/ci.yml

@@ -24,3 +24,40 @@ jobs:
       - run: pnpm build
       - run: pnpm audit --prod --audit-level=high
       - run: pnpm audit --dev --audit-level=high
+
+  e2e:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - uses: pnpm/action-setup@v6
+      - uses: actions/setup-node@v6
+        with:
+          node-version: 22
+          cache: pnpm
+      - run: pnpm install --frozen-lockfile
+      - run: pnpm exec playwright install --with-deps chromium
+      - run: pnpm build
+      - name: Subir o servidor de produção
+        run: pnpm start -p 3001 &
+      - name: Esperar a porta 3001
+        run: |
+          for attempt in $(seq 1 60); do
+            if curl --silent --fail --output /dev/null http://localhost:3001/; then
+              exit 0
+            fi
+            sleep 2
+          done
+          echo "O servidor não respondeu na porta 3001 em 120 s" >&2
+          exit 1
+      - name: Testes de ponta a ponta
+        run: pnpm test:e2e
+        env:
+          BASE_URL: http://localhost:3001
+      - name: Publicar test-results/
+        if: ${{ !cancelled() }}
+        uses: actions/upload-artifact@v4
+        with:
+          name: e2e-test-results
+          path: test-results/
+          if-no-files-found: ignore
+          retention-days: 7