Host runner disconnects for CI/CD testing stages when processing through merge queue

For PRs (even merged with main) that pass local CI/CD, merge queue fails with the following disconnect <img width="2400" height="916" alt="Image" src="https://github.com/user-attachments/assets/70dd662a-d834-424a-9786-d094e0339c5a" /> For example #408, but this problem occurs consistently starting on 3/26/2026.