try post results as PR comment

.github/workflows/ci-frontend-a11y.yml

@@ -49,14 +49,30 @@ jobs:
           ./bin/wait-for-frontend.sh
 
       - name: Run pa11y-ci
+        id: run-pa11y
         run: |
           set -e # Ensure the script fails if any command fails
-          npm run test:pa11y
+          npm run test:pa11y > pa11y-results.txt
           echo "pa11y-ci tests finished."
-          
-      - name: Upload screenshots to artifacts
+
+      - name: Parse and format Pa11y results
+        id: parse-pa11y
+        run: |
+          # Extract and format the results
+          grep -oP 'Errors in .+?:\n(?:\s+• .+?\n)+' pa11y-results.txt | sed 's/^/| /; s/$/ |/; 1i | URL | Errors |' > pa11y-report.md
+
+      - name: Upload screenshots
         if: always()
         uses: actions/upload-artifact@v3
         with:
           name: screenshots
           path: ./frontend/screenshots-output
+
+      - name: Post Pa11y results as a PR comment
+        uses: marocchino/sticky-pull-request-comment@v2
+        with:
+          message: |
+            ## Pa11y Accessibility Test Results
+            $(cat pa11y-report.md)
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}