An AI can perform a task without proving that the business outcome is complete.

Before closing a ticket, define the exact request and the signal that counts as resolved.

Keep the source procedure, action trace, tool results, and any blocked steps in a bounded evidence packet.

A successful command is not the same as customer confirmation. Missing or conflicting evidence keeps the case open.

Write an independent closure receipt with the evidence, decision maker, time, version, and exceptions. Make the decision inspectable.