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AWS Strands.
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

Reads the agent’s tool manifest at wrap time and reports it as provenance. That is what lets a clearance bind to the tools an agent can reach, so gaining one voids it — see certification.

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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.