ProblemRoutines are scheduled without any of the properties that make unattended work safe.
TechniqueRequire yes to all eight: named sources with timestamps, a defined response when nothing happened, explicit failure reporting rather than stale data, idempotent retries, reversible or gated writes, validation on more than one input, a durable owner and activity record, and every external action gated.
Why it worksEach line is a question with a yes or no answer, so the checklist cannot be passed by optimism.
When to useBefore every conversion from skill to routine.