b2c-hooks

Register and implement B2C Commerce platform hooks declared in hooks.json and invoked by HookMgr during OCAPI/SCAPI requests or system events. Use for hooks.json, HookMgr.callHook(), dw.system.Status, dw.ocapi.shop.* before/after/modifyResponse hooks, dw.order.payment.authorize/authorizeCreditCard, dw.order.calculate, app.payment.processor.*, SCAPI order-payment authorization and placement, rollback semantics, and request.custom transport. Do not use for external Node.js webhooks, SFRA controller middleware or prepend/append chains, scheduled job steps in steptypes.json, or Git/CI hooks.