Architecture diagrams

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From a request to an outcome

Four boundaries, one product

Admit once, execute, finalise

Compose a capability for this turn

A prompt assembled from owned parts

Four meanings of memory

A provider-neutral, bounded loop

A tool is an execution contract

From intent to an authorised action

Booking as a controlled flow

A complaint needs an owner

One execution, several projections

A change has a lifecycle

Evaluate the task and its evidence

Measure the evaluator too

The control portal closes the loop

Performance is a task-level property

The loop is only one part of the product