Optionalresponse_Maximum time from when the buyer issues the action to when the seller acknowledges receipt (mode-appropriate: synchronous response for self_serve, tolerance decision for conditional_self_serve, or queue ack for requires_approval). ISO 8601 duration.
Optionalcompletion_Maximum time from buyer issuing the action to the seller completing it (mutation applied, proposal finalized, approval resolved). ISO 8601 duration.
Optional SLA commitment for this action on this product. Absence means no commitment.