fix(shared): PRs built on the same PR stay in one stack under their parent (#20160)

Co-authored-by: PR Batch Tester <agent@local.test>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
a9c9c7cdb1shivam committed on 10/16/2026, 7:05:55 AM· committed by GitHubparent2577baf
7 files changedLine totals unavailable