Operator decision at review: 15 min is aggressive for config churn; hourly keeps the stale-window acceptable (<=1 h) with a fifth of the wakeups. Timer unit, tier law, and failure-table wording aligned.
Operator decision at review: 15 min is aggressive for config churn; hourly keeps the stale-window acceptable (<=1 h) with a fifth of the wakeups. Timer unit, tier law, and failure-table wording aligned.