📚 Improved logging structure & added backup file 🔜

backend/static/js/admin-unified.js

@@ -84,12 +84,13 @@ class AdminDashboard {
             this.showAnalytics();
         });
         
-        // Maintenance Button
-        this.addEventListenerSafe('#maintenance-btn', 'click', (e) => {
-            e.preventDefault();
-            e.stopPropagation();
-            this.showMaintenance();
-        });
+        // Maintenance Button - DEAKTIVIERT wegen Konflikt mit MaintenanceModal
+        // Das Wartungs-Modal wird jetzt direkt in admin.html verwaltet
+        // this.addEventListenerSafe('#maintenance-btn', 'click', (e) => {
+        //     e.preventDefault();
+        //     e.stopPropagation();
+        //     this.showMaintenance();
+        // });
         
         // Cache leeren
         this.addEventListenerSafe('#clear-cache-btn', 'click', (e) => {