{
  "status": "success",
  "data": {
    "access_token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.kys_token",
    "token_type": "Bearer",
    "expires_in": 3600,
    "refresh_token": "mock_refresh_token_xyz789",
    "user": {
      "id": "usr_987654321",
      "username": "demo_admin",
      "email": "admin@example.com",
      "roles": [
        "admin",
        "user"
      ]
    }
  }
}