add action to report coverage

.github/workflows/build_test_validate.yml

@@ -6,6 +6,9 @@ on:
     branches: [ main ]
   pull_request:
 
+permissions:
+  pull-requests: write
+
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -47,6 +50,22 @@ jobs:
           USER_ID: ${{secrets.user_id}}
     - run: npm run test
     - run: npm run test:coverage
+      if: ${{ matrix.node-version == '22.x' }}
+    - name: Code Coverage Report
+      if: ${{ matrix.node-version == '22.x' }}
+      uses: irongut/[email protected]
+      with:
+        filename: "packages/**/coverage/cobertura-coverage.xml"
+        format: markdown
+        hide_branch_rate: false
+        output: both
+        badge: true
+    - name: Add Coverage PR Comment
+      uses: marocchino/sticky-pull-request-comment@v2
+      if: github.event_name == 'pull_request'
+      with:
+        recreate: true
+        path: code-coverage-results.md
     - name: Archive coverage files
       uses: actions/upload-artifact@v4
       with: