Agent commit gate · ~15 seconds · requires principal_id
Agent proposes $847 checkout — principal mandate caps at $500. Commit gate BLOCKs before payment rail · restraint receipt · stranger verify.
API: POST /v1/agent/commit with principal_id · SCITT / Delta-1-shaped stub · full Covenant Badge post-pilot.
Shopping agent proposes checkout — capital-commitment moment before ACP / card rail.