curl -X POST "https://api.hitler.app/api/auth/register" \
  -H "Content-Type: application/json" \
  -d '{
    "email": "newuser@company.com",
    "password": "securepassword123",
    "name": "Jane Smith",
    "organizationId": "456e7890-e12b-34d5-a678-426614174000"
  }'

const response = await api.register({
  email: "newuser@company.com",
  password: "securepassword123",
  name: "Jane Smith",
  organizationId: "456e7890-e12b-34d5-a678-426614174000",
});

{
  "accessToken": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...",
  "expiresIn": 604800,
  "user": {
    "id": "789e0123-e45b-67d8-a901-426614174000",
    "email": "newuser@company.com",
    "name": "Jane Smith",
    "role": "employee",
    "organizationId": "456e7890-e12b-34d5-a678-426614174000"
  }
}

{
  "statusCode": 409,
  "message": "Email already registered",
  "error": "Conflict"
}