$ bash /private/tmp/claude-501/-Users-king-Desktop-Workspace-SRO-zoen/f2b6bb91-5bb1-48a3-93d2-b425f4917ac0/scratchpad/exp/proof.sh
# cwd /Users/king/Desktop/Workspace/SRO/zoen
# exit 0

scratch run exit=1 stdout_bytes=    1490 report_bytes=    2909
OK: failure message, X marks and '# fail 3' on stdout, non-zero exit kept