Enhance message formatting and localization handling in MessagesDialog.vue

- Updated the formatBody method to support JSON formatted translation keys and improve key normalization for i18n.
- Ensured that keys are correctly prefixed with the "falukant.notifications." namespace when necessary, enhancing translation accuracy.

frontend/src/components/falukant/MessagesDialog.vue

@@ -118,24 +118,42 @@ export default {
       } catch { return dt; }
     },
     formatBody(n) {
-      let key = n.tr;
+      let raw = n.tr || '';
+      let key = raw;
       let params = {};
-      if (typeof key === 'string') {
-        const trimmed = key.trim();
+
+      // 1) JSON-Format unterstützen: {"tr":"production.overproduction","value":21}
+      if (typeof raw === 'string') {
+        const trimmed = raw.trim();
         if (trimmed.startsWith('{') && trimmed.endsWith('}')) {
           try {
             const parsed = JSON.parse(trimmed);
             if (parsed && parsed.tr) {
+              raw = parsed.tr;
               key = parsed.tr;
               params = { ...parsed };
               delete params.tr;
             }
           } catch (e) {
-            // Fallback: ignore parse error and use raw key
+            // bei Parse-Fehler einfach weiter unten mit dem Rohwert arbeiten
           }
         }
       }
-      return this.$t('falukant.notifications.' + key, params);
+
+      // 2) Schlüssel normalisieren:
+      //    - wenn bereits ein voller i18n-Key wie "falukant.notifications.production.overproduction",
+      //      dann direkt verwenden
+      //    - sonst in den Namespace "falukant.notifications." hängen
+      if (typeof key === 'string') {
+        const trimmedKey = key.trim();
+        if (trimmedKey.startsWith('falukant.')) {
+          key = trimmedKey;
+        } else {
+          key = 'falukant.notifications.' + trimmedKey;
+        }
+      }
+
+      return this.$t(key, params);
     }
   },
   computed: {
@@ -168,3 +186,4 @@ export default {
 .pagination button { padding: .25em .6em; }
 .pagination input[type="number"] { width: 4em; text-align: right; }
 </style>
+