Evolving UserHarbor: From a Framework-Agnostic Core to Executable Storage Contracts
User management is one of those problems that rarely feels difficult enough to deserve much attention. Until you implement it for the fifth time. Registration, login, sessions, email verification, password resets, password changes, account deletion, roles, permissions — none of these features are particularly unusual. But almost every application needs some combination of them, and the implementation often ends up tightly coupled to whatever framework, ORM, or infrastructure the project happened to use at the time. ...