ci: Make Chromatic visual checks non-blocking (no-changelog) (#29965)

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

.github/workflows/ci-pull-request-review.yml

@@ -41,7 +41,12 @@ jobs:
   chromatic:
     name: Chromatic
     needs: filter
-    if: needs.filter.outputs.design_system == 'true'
+    # Skip on fork PRs — they don't have access to the Chromatic secret.
+    # This job is intentionally not in `required-review-checks` needs, so it
+    # is non-blocking and won't gate merging.
+    if: >-
+      needs.filter.outputs.design_system == 'true' &&
+      github.event.pull_request.head.repo.full_name == github.repository
     uses: ./.github/workflows/test-visual-chromatic.yml
     with:
       ref: ${{ needs.filter.outputs.commit_sha }}
@@ -51,7 +56,7 @@ jobs:
   # PRs cannot be merged unless this job passes.
   required-review-checks:
     name: Required Review Checks
-    needs: [filter, chromatic]
+    needs: [filter]
     if: always()
     runs-on: ubuntu-slim
     steps:

.github/workflows/test-visual-chromatic.yml

@@ -34,4 +34,4 @@ jobs:
           skip: 'release/**'
           onlyChanged: true
           projectToken: ${{ secrets.CHROMATIC_PROJECT_TOKEN }}
-          exitZeroOnChanges: false
+          exitZeroOnChanges: true