Add complete device and kiosk backup

www/ui/options.js

@@ -5,6 +5,7 @@ import { CONFIG, saveConfig, loadConfig, applyAlignmentProfile, applyRtaBpoSelec
 import { clamp, clampPow2 } from '../core/utils.js';
 import { bindOptionsViewportAssist } from './options_viewport.js';
 import { setupLazyChangelog } from './changelog.js';
+import { setupDeviceBackup } from './device_backup.js';
 
 // DOM helper
 const E = (id) => document.getElementById(id);
@@ -90,6 +91,12 @@ export function setupOptions(env) {
   wireHandlers(env);
   bindOptionsViewportAssist(E('optionsPanelNew'));
   setupLazyChangelog(E('changelogDetails'), E('changelogContent'));
+  setupDeviceBackup({
+    exportButton: E('btnDeviceBackupExport'),
+    importInput: E('impDeviceBackup'),
+    status: E('deviceBackupStatus'),
+    resolveApiBaseUrl: resolvePhoenixApiBaseUrl,
+  });
   bindAlignmentToggle(env);
   bindVuRefToggle(env);
   // Sichtbarkeit nach View steuern übernimmt main.js — hier nur Export der Sync-Funktion