command runner probe

Workflow runs for command runner probe

• ci: throwaway macOS trace of the #281 poll candidate, never merged

  completed successfully:
  command runner probe#3:Commit63de802pushedbyHemSoft
  probe/command-runner-281-fix

  Oct 27, 202630m 50s
  More actions for workflow run 3

• ci: trace the overflow inside 30 full runs too

  cancelled:
  command runner probe#2:Commitedf5ea5pushedbyHemSoft
  probe/command-runner-281

  Oct 27, 202635m 48s
  More actions for workflow run 2

• ci: throwaway macOS command runner trace for #281, never merged

  failed:
  command runner probe#1:Commit8ccd91dpushedbyHemSoft
  probe/command-runner-281

  Oct 27, 20264m 42s
  More actions for workflow run 1