ci-cross-platform failure tracking

[github-actions]

Failed on ce74dc8a0ac9ad11ffe4879667e3fb2a42a0b2ad (2026-04-25T12:03:29Z): https://github.com/iowarp/clio-coder/actions/runs/24930450957

[github-actions]

Failed on 388d0cffe18cd9402250425df3e1656b831c8593 (2026-04-25T12:10:21Z): https://github.com/iowarp/clio-coder/actions/runs/24930572581

[akougkas]

Closing — ci-cross-platform.yml has been removed in #19 (the workflow that auto-created this issue is gone). The macOS spawn-helper fix from #19 fixed the underlying e2e failures.