Does a change to the approved thing invalidate the approval under a materiality policy?

Overview

Compares what a human or system approved with what is about to be executed (a quote, order, plan, diff summary: any JSON) under a caller-supplied materiality policy: per-path rules exact / ignore / numeric tolerance (absolute or percent) / no-increase / no-decrease, with the longest matching path winning and a default for unlisted paths. Also covers quote revisions (approved revision number must equal the current one) and expiry (approvedAt + validForSeconds against a caller

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