Web

Docs for the Client Web app and the CMS/admin web app — covering every feature, including ones that aren't obvious in the visible menu, such as OA management and user permission

Backend (Go Services)

Docs for Client API, CMS API, Webhook Service and Worker Service — endpoints, business flow, and dependencies for each feature

Database

Docs for the system's core data structures, organized by domain, to help you understand how the services relate to each other