std::vector<uint64_t> GetTCAuthorizedUsers(BuildingPrivlidge* pTC) {
    std::vector<uint64_t> steamIds;
    auto pAuthList = pTC->m_authorizedPlayers(); // List<PlayerNameID>
    if (!pAuthList) return steamIds;
    
    int count = pAuthList->m_iCount;
    for (int i = 0; i < count; i++) {
        auto entry = pAuthList->m_pItems[i];
        steamIds.push_back(entry.userid);
    }
    return steamIds;
}