What if AutoPPC makes a mistake?
Every batch carries a reverse file containing the prior value of everything it touched. Upload it and the account returns to its previous state. It is available in Activity indefinitely.
Beyond that: day-5 judgment catches changes that made things worse and proposes putting them back, without you having to notice.
The one genuinely irreversible action is a negative — you cannot recover sales a blocked term would have made. That is precisely why the family check is an invariant rather than a setting.