[
  {
    "id": "u_admin",
    "role": "admin",
    "name": "Admin User",
    "email": "admin@success.space",
    "password": "admin123"
  },
  {
    "id": "u_staff",
    "role": "staff",
    "name": "Cafe Staff",
    "email": "staff@success.space",
    "password": "staff123"
  },
  {
    "id": "u_cust",
    "role": "customer",
    "name": "Customer One",
    "email": "customer@success.space",
    "password": "customer123",
    "membership": "Gold",
    "discountPercent": 10
  }
]