# DataLayers / Users

User-specific DAL extending AcDalBase with authentication, CRUD, and email validation support.

## Key Files

- **`AcUserDalBase.cs`** — GetUserById/ByEmail, AddUser, RemoveUser, UpdateUser, AuthenticateUser (with password verification + refresh token), GetUserModelDto (sync + async).
- **`AcUserDalExtension.cs`** — Reserved for future user DAL extensions (currently contains commented legacy code).