Refactor Notification model to remove VIRTUAL field definition for characterName and implement a getter method for improved data handling and synchronization.

backend/models/falukant/log/notification.js

@@ -1,7 +1,12 @@
 import { Model, DataTypes } from 'sequelize';
 import { sequelize } from '../../../utils/sequelize.js';
 
-class Notification extends Model { }
+class Notification extends Model {
+    // Getter für characterName - wird nicht synchronisiert, da es kein Datenbankfeld ist
+    get characterName() {
+        return this.getDataValue('character_name') || null;
+    }
+}
 
 Notification.init({
     userId: { 
@@ -15,12 +20,6 @@ Notification.init({
         allowNull: true,
         field: 'character_name'
     },
-    characterName: {
-        type: DataTypes.VIRTUAL,
-        get() {
-            return this.getDataValue('character_name') || null;
-        }
-    },
     shown: {
         type: DataTypes.BOOLEAN,
         allowNull: false,