See what each session costs, and what it is worth
A new Efficiency pane shows a session's cost, time, tokens and quality from its own receipts, with each figure traced back to the call that produced it.
Three views of one session
Open Efficiency from the inspector. Overview shows the session's cost, wall time, tokens, retained context and tool calls, with helper agents counted inside their parent. Click a figure to see the arithmetic behind it and to hold it still while new receipts keep arriving. Session story lists every receipt in order, and each one opens the exact record it came from.
Quality stays marked Unverified until there is evidence for a grade. A failed requirement can never be hidden by a high average.
Improvement that has to earn its place
The Optimization lab asks the session's own model to write a rubric for the task, then judges finished turns against it with as few judges as the rubric needs. Every paid action asks first and shows how much of the allowance is left. If a job fails, automatic runs stop until you start one by hand, and the lab says so.
Deleting a session deletes its Efficiency records and the redacted evidence kept for it. Stored evidence expires after 30 days.