ci: add E2E smoke test step to GitHub Actions workflow

Made-with: Cursor

Author: jonzarecki

.github/workflows/ci.yml

@@ -31,5 +31,9 @@ jobs:
       - name: Build
         run: pnpm build
 
-      - name: Test
+      - name: Test (unit)
         run: pnpm test
+
+      - name: Test (E2E smoke)
+        run: pnpm test:e2e
+        timeout-minutes: 5