ci: notify on changes for push events

.github/workflows/storybook.yml

@@ -57,7 +57,9 @@ jobs:
         if [ "$CHROMATIC_PARAMETER" = " --skip" ]; then
           echo "skip=true" >> $GITHUB_OUTPUT
         fi
-        pnpm --filter frontend chromatic --exit-once-uploaded -d storybook-static $(echo "$CHROMATIC_PARAMETER")
+        if pnpm --filter frontend chromatic -d storybook-static $(echo "$CHROMATIC_PARAMETER"); then
+          echo "success=true" >> $GITHUB_OUTPUT
+        fi
       env:
         CHROMATIC_PROJECT_TOKEN: ${{ secrets.CHROMATIC_PROJECT_TOKEN }}
     - name: Publish to Chromatic
@@ -75,6 +77,18 @@ jobs:
         pnpm --filter frontend chromatic --exit-once-uploaded -d storybook-static $(echo "$CHROMATIC_PARAMETER")
       env:
         CHROMATIC_PROJECT_TOKEN: ${{ secrets.CHROMATIC_PROJECT_TOKEN }}
+    - name: Notify that Chromatic detects changes
+      uses: actions/github-script@v6.4.0
+      if: github.event_name != 'pull_request_target' && steps.chromatic_push.outputs.success == 'false'
+      with:
+        github-token: ${{ secrets.GITHUB_TOKEN }}
+        script: |
+          github.rest.repos.createCommitComment({
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            commit_sha: context.sha,
+            body: 'Chromatic detects changes. Please [review the changes on Chromatic](https://www.chromatic.com/builds?appId=6428f7d7b962f0b79f97d6e4).'
+          })
     - name: Notify that Chromatic will skip testing
       uses: actions/github-script@v6.4.0
       if: github.event_name == 'pull_request_target' && steps.chromatic_pull_request.outputs.skip == 'true'