ci(workspace): [ENG-02] add read-only checks and isolated Pages workflow

.github/workflows/pages.yml

@@ -0,0 +1,34 @@
+name: Deploy Pages
+
+on:
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+concurrency:
+  group: pages
+  cancel-in-progress: false
+
+jobs:
+  validate:
+    if: github.ref == 'refs/heads/master' && vars.PAGES_DEPLOY_ENABLED == 'true'
+    uses: ./.github/workflows/nodejs.yml
+    with:
+      pages-artifact: true
+
+  deploy:
+    if: github.ref == 'refs/heads/master' && vars.PAGES_DEPLOY_ENABLED == 'true'
+    needs: validate
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    permissions:
+      pages: write
+      id-token: write
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    steps:
+      - name: Deploy the validated artifact
+        id: deployment
+        uses: actions/deploy-pages@368f82528645a54fb793d4d04e342629a3f51346 # v5.0.1