curl -X POST "https://demo.api.vultlocal.com/api/v1/admin/users" \
  -H "Authorization: Bearer ADMIN_JWT" \
  -H "Content-Type: application/json" \
  -d '{
    "email": "newuser@olive.sl",
    "password": "SecureP@ss123",
    "first_name": "New",
    "last_name": "User",
    "phone_number": "+23277123456",
    "role": "support_user",
    "pep_access_authorized": false
  }'

{
  "success": true,
  "user_id": "123",
  "message": "User created successfully",
  "user": {
    "id": "123",
    "email": "newuser@olive.sl",
    "first_name": "New",
    "last_name": "User",
    "role": "support_user",
    "status": "active"
  }
}

{
  "success": false,
  "error": "User with email already exists",
  "code": "USER_EXISTS"
}