The agent lane over the same API a person uses.
Mark is Accent's AI assistant — a module on top of the CMS core, not part of it. Everything Mark does rides the same public seams this documentation describes: it creates pages through the standard creation lanes and composes content through the composition verb — embedding into named zones by id, exactly like any other API client. The core renders and validates identically whether a human or Mark authored the change.
Two names share the brand; keep them distinct in writing:
Module documentation: Mark: page creation — module record covers the page-creation behavior in depth.