Use “Signal on free deterministic mail facts” in Recued. The one owner-armed producer for the aggregate provider records route. It reads information without changing data in the connected service.

Use “Recheck free deterministic mail signals” in Recued. Recompute nine zero-AI mail-native attention facts plus one capped none/known/historical/active business-relationship tier for one local record. It reads information without changing data in the connected service.

Use “Signal when incoming mail requires action” in Recued. Owner-armed producer for the provider records signal.

Use “Recheck a mail action-required signal” in Recued. It provides a read-only current-state query for a provider records callback.