chore: import upstream snapshot with attribution

.github/workflows/ci.yaml

@@ -0,0 +1,42 @@
+name: CI
+
+on:
+  workflow_call:
+  workflow_dispatch:
+  merge_group:
+  pull_request:
+    branches: [main, dev, 'release/**']
+  push:
+    branches: [main, dev, 'release/**']
+
+concurrency:
+  group: ci-${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{ github.ref_name != 'main' }}
+
+permissions: read-all
+
+jobs:
+  check-backend:
+    uses: ./.github/workflows/check-backend.yaml
+    secrets: inherit
+  check-frontend:
+    uses: ./.github/workflows/check-frontend.yaml
+    secrets: inherit
+  tests:
+    uses: ./.github/workflows/tests.yaml
+    secrets: inherit
+  e2e-tests:
+    uses: ./.github/workflows/e2e-tests.yaml
+    secrets: inherit
+  ci:
+    runs-on: ubuntu-slim
+    name: Run CI
+    if: always() # This ensures the job always runs
+    needs: [check-backend, check-frontend, tests, e2e-tests]
+    steps:
+      # Propagate failure
+      - name: Check dependent jobs
+        if: contains(needs.*.result, 'failure') || contains(needs.*.result, 'cancelled') || contains(needs.*.result, 'action_required') || contains(needs.*.result, 'timed_out')
+        run: |
+          echo "Not all required jobs succeeded"
+          exit 1