Method PersistMode

ui/Services/ModeService.cs:12–29

Writes both files; rolls back settings.json if pin-config write fails.

(string mode, bool cloudRedirectEnabled)

{
    // Writes both files; rolls back settings.json if pin-config write fails.
    public static void PersistMode(string mode, bool cloudRedirectEnabled)
    {
        var settingsPath = GetSettingsPath();
        byte[]? settingsBackup = File.Exists(settingsPath)
            ? TryReadAllBytes(settingsPath)
            : null;

        SaveModeSetting(mode);
        try
        {
            SetDllCloudRedirect(cloudRedirectEnabled);
        }
        catch
        {
            RestoreSettingsBackup(settingsPath, settingsBackup);
            throw;
        }
    }

    // One-time consent gate; not shown again on later mode switches.
    public static bool HasAcceptedDisclaimer()