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CrewAI, at the crew level.
That is the whole integration. From here every call the client makes is recorded on the open trajectory.

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What is distinctive

Delegation between agents is recorded as a delegation step, which taints the receiving context. That is the point: work handed from one agent to another is exactly the case where authority is most often assumed rather than checked.

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In context

The witness block opens the trajectory and closes it on exit, including when the body raises — an episode that ended badly is exactly the one worth having a record of.

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Recording without content

Shape and metadata only: model, latency, token counts, tool names. No prompt or response text. The governed facts are unchanged.
Authority is never asked for by an adapter. It stays an explicit trajectory.authorize(...) call, so importing a middleware can never become a spend decision. See authorise an action.