fix(ci): replace ambiguous check names

.github/workflows/ci.yaml

@@ -1,4 +1,4 @@
-name: CI
+name: Frontend checks
 
 on:
   pull_request:
@@ -10,12 +10,26 @@ permissions:
   contents: read
 
 jobs:
-  ci:
+  build-and-test:
+    name: Build and test
     # Org reusable workflow (Node 24): format check, lint, build, unit tests.
     uses: Sea-Haven-Industries/.github/.github/workflows/ci-typescript-frontend.yaml@main
     with:
       node-version: "24"
 
+  # Temporary compatibility check for the existing branch-protection context.
+  # Remove after both repository rulesets require `Build and test / ci`.
+  ci-compatibility:
+    name: ci / ci
+    needs: build-and-test
+    if: ${{ always() }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Propagate build-and-test result
+        env:
+          BUILD_AND_TEST_RESULT: ${{ needs.build-and-test.result }}
+        run: test "${BUILD_AND_TEST_RESULT}" = "success"
+
   governance:
     # Repo-owned guarantee that every frontend quality gate runs from this
     # repository, independent of (and in addition to) the reusable workflow.