Three actual delayed separate-process workflows and a refused job-directory overwrite. Local one-shot timing only; no recurring uptime or unattended model-call claim.

PASS delayed-worker-normal-a: A separate worker actually started after due time and left status/log; inventory or failure reconciled.
PASS delayed-worker-normal-b: A separate worker actually started after due time and left status/log; inventory or failure reconciled.
PASS delayed-worker-missing: A separate worker actually started after due time and left status/log; inventory or failure reconciled.
PASS preserve-prior-job: Actual second scheduling attempt refused to reuse the job directory.

node.exe studio/automation/scripts/schedule-once.mjs <repository>\build\.test-runs\timers-SWUbni\normal-a.json
exit=1
EEXIST: file already exists, mkdir '<repository>\build\.test-runs\timers-SWUbni\job-normal-a'

