AuthStatusResponseDto

{
    "isAuthenticated": true,
    "sessionId": "abc123def456",
    "user": {
        "id": "550e8400-e29b-41d4-a716-446655440000",
        "firstName": "Иван",
        "lastName": "Иванов",
        "avatarUrl": "https://vk.com/images/avatar.jpg",
        "isAdmin": false
    },
    "expiresIn": 3600,
    "availableProjects": [
        {
            "id": "uuid1",
            "name": "Мой проект",
            "role": "owner"
        },
        {
            "id": "uuid2",
            "name": "Командный проект",
            "role": "admin"
        }
    ],
    "impersonatedBy": {
        "adminUserId": "550e8400-e29b-41d4-a716-446655440000",
        "adminSessionId": "admin-session-uuid"
    }
}