Update from Git Manager GUI

renderer/renderer.js

@@ -4048,6 +4048,8 @@ window.addEventListener('DOMContentLoaded', async () => {
             if (cbColorIcons) cbColorIcons.checked = featureColoredIcons;
             const cbAutostart = $('settingAutostart');
             if (cbAutostart) cbAutostart.checked = featureAutostart;
+            const cbAutoBackup = $('settingAutoBackup');
+            if (cbAutoBackup) cbAutoBackup.checked = Boolean(creds.autoBackupEnabled);
             
             // 🆕 AUTO-LOGIN: Wenn Gitea-Credentials vorhanden sind, lade sofort die Repos
             if (creds.giteaToken && creds.giteaURL) {
@@ -4440,7 +4442,9 @@ window.addEventListener('DOMContentLoaded', async () => {
                     return;
                 }
 
+                const existingCreds = await window.electronAPI.loadCredentials() || {};
                 const data = {
+                    ...existingCreds,
                     githubToken: $('githubToken').value,
                     giteaToken: $('giteaToken').value,
                     giteaURL: checkedUrl.value,