diff --git a/.github/workflows/pull_request.yaml b/.github/workflows/pull_request.yaml
index 284daee..53a5a0a 100644
--- a/.github/workflows/pull_request.yaml
+++ b/.github/workflows/pull_request.yaml
@@ -19,3 +19,24 @@ jobs:
         run: ruff check src tests
       - name: Test
         run: pytest -q
+
+  dashboard-build:
+    name: Dashboard build and site-shell check
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: oven-sh/setup-bun@v2
+      - name: Install deps
+        working-directory: dashboard
+        run: bun install --frozen-lockfile
+      - name: Build
+        working-directory: dashboard
+        run: bun run build
+      - name: Assert the PolicyEngine site shell is in the built HTML
+        working-directory: dashboard
+        run: |
+          html=.next/server/app/index.html
+          for needle in "PolicyEngine" ">Research<" ">Model<" ">API<" ">Donate<" "About us" "Developer tools" "Privacy policy" "Terms and conditions"; do
+            grep -qF -- "$needle" "$html" || { echo "MISSING from built HTML: $needle"; exit 1; }
+          done
+          echo "Site shell present (brand, nav labels, footer links)."