"feat: Implement auto logout functionality via static JS

backend/app/templates/base.html

@@ -584,6 +584,7 @@
     <script src="{{ url_for('static', filename='js/csp-violation-handler.js') }}"></script>
     {% if current_user.is_authenticated %}
     <script src="{{ url_for('static', filename='js/notifications.js') }}"></script>
+    <script src="{{ url_for('static', filename='js/auto-logout.js') }}"></script>
     {% endif %}
     
     <!-- Additional JavaScript Functions -->

backend/app/templates/settings.html

@@ -621,33 +621,32 @@
         function setupAutoLogout() {
             const autoLogoutSelect = document.getElementById('auto-logout');
             
-            function resetLogoutTimer() {
-                if (logoutTimer) {
-                    clearTimeout(logoutTimer);
-                }
+            // Event-Listener für Änderungen der Auto-Logout-Einstellung
+            autoLogoutSelect.addEventListener('change', async function() {
+                const newTimeout = this.value;
                 
-                const minutes = parseInt(autoLogoutSelect.value);
-                if (minutes && minutes !== 'never') {
-                    logoutTimer = setTimeout(() => {
-                        if (confirm('Sie werden aufgrund von Inaktivität abgemeldet. Möchten Sie angemeldet bleiben?')) {
-                            resetLogoutTimer();
-                        } else {
-                            window.location.href = '/logout';
+                try {
+                    const response = await fetch('/api/user/setting', {
+                        method: 'PATCH',
+                        headers: {
+                            'Content-Type': 'application/json',
+                            'X-CSRFToken': document.querySelector('meta[name="csrf-token"]')?.getAttribute('content') || ''
+                        },
+                        body: JSON.stringify({ auto_logout: newTimeout })
+                    });
+                    
+                    if (response.ok) {
+                        // Globales Auto-Logout-System benachrichtigen
+                        if (window.autoLogoutManager) {
+                            window.autoLogoutManager.updateSettings(newTimeout);
                         }
-                    }, minutes * 60 * 1000);
+                        showFlashMessage('Auto-Logout-Einstellung aktualisiert', 'success');
+                    }
+                } catch (error) {
+                    console.error('Fehler beim Aktualisieren der Auto-Logout-Einstellung:', error);
+                    showFlashMessage('Fehler beim Speichern der Einstellung', 'error');
                 }
-            }
-            
-            // Reset timer on any user activity
-            ['mousedown', 'mousemove', 'keypress', 'scroll', 'touchstart', 'click'].forEach(event => {
-                document.addEventListener(event, resetLogoutTimer, { passive: true });
             });
-            
-            // Initial setup
-            resetLogoutTimer();
-            
-            // Update timer when setting changes
-            autoLogoutSelect.addEventListener('change', resetLogoutTimer);
         }
         
         // Enhanced toggle switches with keyboard support