Saleor Customer and Staff Management

Before writing code

Fetch live docs:

1. Web-search site:docs.saleor.io customers accounts registration for customer account model and registration flow
2. Web-search site:docs.saleor.io staff users permissions groups for staff management and permission system
3. Web-search site:docs.saleor.io authentication JWT tokens for authentication flow and token handling
4. Fetch https://docs.saleor.io/docs/developer/users and review User model, addresses, and account operations
5. Web-search site:docs.saleor.io permission groups MANAGE_PRODUCTS MANAGE_ORDERS for the full list of available permissions

Customer Model

Saleor uses a single User entity for both customers and staff. The isStaff flag distinguishes between them.