{"ok":true,"service":"HumanMirror UCP → Purchase Firewall Mapping Adapter","protocol":"huvp/1","mapping_version":"humanmirror-ucp-binding-map/1","input":["checkout","currency_exponent","payment","authorization","constraints"],"output":"huvp-transaction-binding/1","truth_boundary":"This adapter maps caller-supplied UCP checkout fields into a HumanMirror transaction binding. It does not validate UCP conformance, cryptographic signatures, merchant truth, payment authorization or settlement."}