"success": true, "token": "jwt_token_here", "redirectUrl": "/castle", "user": "id": 12345, "username": "LordNoble", "castleLevel": 42
"identifier": "player@example.com", "password": "userPassword123", "rememberMe": true goodgame empire se connecter
"success": false, "errorCode": "INVALID_CREDENTIALS", "message": "Identifiant ou mot de passe incorrect" "user": "id": 12345