feat(translations): use i18n for url previews

frontend/public/locales/de/translation.json

@@ -1489,6 +1489,16 @@
     "labels": {
       "recommended": "Empfohlen",
       "notAvailable": "Nicht verfügbar"
+    },
+    "urlPreview": {
+      "title": "Beispiel-Sync-URL:",
+      "legend": {
+        "serverUrl": "Server-URL",
+        "webdavPath": "WebDAV-Pfad",
+        "bucketPrefix": "Bucket/Präfix",
+        "watchDirectory": "Überwachungsverzeichnis",
+        "exampleFile": "Beispieldatei"
+      }
     }
   }
 }

frontend/public/locales/en/translation.json

@@ -1489,6 +1489,16 @@
     "labels": {
       "recommended": "Recommended",
       "notAvailable": "Not Available"
+    },
+    "urlPreview": {
+      "title": "Example sync URL:",
+      "legend": {
+        "serverUrl": "Server URL",
+        "webdavPath": "WebDAV Path",
+        "bucketPrefix": "Bucket/Prefix",
+        "watchDirectory": "Watch Directory",
+        "exampleFile": "Example File"
+      }
     }
   }
 }

frontend/public/locales/es/translation.json

@@ -1489,6 +1489,16 @@
     "labels": {
       "recommended": "Recomendado",
       "notAvailable": "No Disponible"
+    },
+    "urlPreview": {
+      "title": "URL de sincronización de ejemplo:",
+      "legend": {
+        "serverUrl": "URL del servidor",
+        "webdavPath": "Ruta WebDAV",
+        "bucketPrefix": "Bucket/Prefijo",
+        "watchDirectory": "Directorio vigilado",
+        "exampleFile": "Archivo de ejemplo"
+      }
     }
   }
 }

frontend/public/locales/fr/translation.json

@@ -1489,6 +1489,16 @@
     "labels": {
       "recommended": "Recommandé",
       "notAvailable": "Non disponible"
+    },
+    "urlPreview": {
+      "title": "Exemple d'URL de synchronisation :",
+      "legend": {
+        "serverUrl": "URL du serveur",
+        "webdavPath": "Chemin WebDAV",
+        "bucketPrefix": "Bucket/Préfixe",
+        "watchDirectory": "Répertoire surveillé",
+        "exampleFile": "Fichier exemple"
+      }
     }
   }
 }

frontend/src/pages/SourcesPage.tsx

@@ -370,10 +370,12 @@ const SourcesPage: React.FC = () => {
 
     const getLabelForType = (type: 'server' | 'path' | 'folder' | 'file') => {
       switch (type) {
-        case 'server': return 'Server URL';
+        case 'server': return t('sources.urlPreview.legend.serverUrl');
-        case 'path': return formData.source_type === 'webdav' ? 'WebDAV Path' : 'Bucket/Prefix';
+        case 'path': return formData.source_type === 'webdav'
-        case 'folder': return 'Watch Directory';
+          ? t('sources.urlPreview.legend.webdavPath')
-        case 'file': return 'Example File';
+          : t('sources.urlPreview.legend.bucketPrefix');
+        case 'folder': return t('sources.urlPreview.legend.watchDirectory');
+        case 'file': return t('sources.urlPreview.legend.exampleFile');
         default: return '';
       }
     };
@@ -392,7 +394,7 @@ const SourcesPage: React.FC = () => {
         }}
       >
         <Typography variant="caption" color="text.secondary" sx={{ display: 'block', mb: 1 }}>
-          Example sync URL:
+          {t('sources.urlPreview.title')}
         </Typography>
         <Box
           sx={{