Method saveConfig

ui-linux/src/backend.cpp:340–381

}

void Backend::saveConfig()
{
    QString configDir = crConfigDir();
    QDir().mkpath(configDir);

    QString configPath = configDir + "/config.json";
    
    // Read existing config to preserve keys not managed by this function
    QJsonObject obj;
    QFile existing(configPath);
    if (existing.open(QIODevice::ReadOnly)) {
        QJsonDocument doc = QJsonDocument::fromJson(existing.readAll());
        existing.close();
        if (doc.isObject())
            obj = doc.object();
    }
    
    obj["provider"] = m_providerName;
    obj["sync_folder_path"] = m_syncFolderPath;
    obj["notifications_enabled"] = m_notificationsEnabled;
    obj["stats_sync_enabled"] = m_statsSyncEnabled;
    obj["sync_achievements"] = m_syncAchievements;
    obj["sync_playtime"] = m_syncPlaytime;

    // Atomic write: write to temp, then rename
    QString tempPath = configPath + ".tmp";
    QFile f(tempPath);
    if (f.open(QIODevice::WriteOnly)) {
        f.write(QJsonDocument(obj).toJson());
        f.close();
        // rename() is atomic on POSIX if same filesystem; fallback to copy+delete
        if (!QFile::rename(tempPath, configPath)) {
            QFile::remove(configPath);
            if (!QFile::rename(tempPath, configPath)) {
                QFile::copy(tempPath, configPath);
                QFile::remove(tempPath);
            }
        }
    }

    emit settingsChanged();
}

int Backend::managedAppCount() const {
    int count = 0;