add verify frontend api client

.github/workflows/verify.yml

@@ -110,3 +110,86 @@ jobs:
       - name: Skip OpenAPI generation (no relevant changes)
         if: steps.check_changes.outputs.changed == 'false'
         run: echo "No changes in apps/api/src/routes/ nor apps/api/swagger.json, skipping OpenAPI generation verification."
+
+  verify-frontend-api-client:
+    runs-on: ubuntu-latest
+    needs: verify-openapi-spec
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Check whether apps/api/swagger.json or apps/frontend/app/generated/api-client changed
+        id: check_swagger_changes
+        run: |
+          if [ "${{ github.event_name }}" = "pull_request" ]; then
+            BASE_SHA=${{ github.event.pull_request.base.sha }}
+            HEAD_SHA=${{ github.event.pull_request.head.sha }}
+          else
+            BASE_SHA=${{ github.event.before }}
+            HEAD_SHA=${{ github.sha }}
+          fi
+
+          # Provide safe fallbacks when GitHub context values are empty (e.g. when using act)
+          if [ -z "$HEAD_SHA" ]; then
+            HEAD_SHA=$(git rev-parse --verify HEAD 2>/dev/null || echo "")
+          fi
+
+          if [ -z "$BASE_SHA" ]; then
+            # Try the parent of HEAD, fall back to HEAD if unavailable
+            PREV=$(git rev-parse --verify "${HEAD_SHA}^" 2>/dev/null || true)
+            if [ -n "$PREV" ]; then
+              BASE_SHA=$PREV
+            else
+              BASE_SHA=$HEAD_SHA
+            fi
+          fi
+
+          echo "Comparing $BASE_SHA..$HEAD_SHA"
+          CHANGED_FILES=$(git diff --name-only "$BASE_SHA" "$HEAD_SHA" || true)
+          echo "$CHANGED_FILES"
+
+          echo "$CHANGED_FILES" | grep -E '^(apps/api/swagger.json|apps/frontend/app/generated/api-client)' >/dev/null 2>&1 && echo "changed=true" >> $GITHUB_OUTPUT || echo "changed=false" >> $GITHUB_OUTPUT
+
+      - name: Setup PNPM
+        uses: pnpm/action-setup@v4
+        if: steps.check_swagger_changes.outputs.changed == 'true'
+        with:
+          version: 10
+          run_install: false
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        if: steps.check_swagger_changes.outputs.changed == 'true'
+        with:
+          node-version: 22
+          cache: 'pnpm'
+          cache-dependency-path: apps/frontend/pnpm-lock.yaml
+      
+      - name: Install frontend dependencies
+        if: steps.check_swagger_changes.outputs.changed == 'true'
+        run: |
+          cd apps/frontend
+          pnpm install
+      
+      - name: Generate frontend API client
+        if: steps.check_swagger_changes.outputs.changed == 'true'
+        run: |
+          cd apps/frontend
+          pnpm generate:openapi
+
+      - name: Check for uncommitted changes in frontend API client
+        if: steps.check_swagger_changes.outputs.changed == 'true'
+        run: |
+          if [[ -n $(git status --porcelain | grep '^ M apps/frontend/app/generated/api-client') ]]; then
+            echo "Frontend API client is not up to date. Please run the API client generation locally and commit the changes."
+            git status --porcelain | grep '^ M apps/frontend/app/generated/api-client'
+            exit 1
+          else
+            echo "Frontend API client is up to date."
+          fi
+      
+      - name: Skip frontend API client generation (no relevant changes)
+        if: steps.check_swagger_changes.outputs.changed == 'false'
+        run: echo "No changes in apps/api/swagger.json nor apps/frontend/app/generated/api-client, skipping frontend API client generation verification."