fix: complete restore page translations and fix structure

- Fix restoreTypes translation structure (was under options.types)
- Add missing restore.messages.restoreStarted translation
- Ensure all restore wizard strings use translations
- Add corresponding German translations for restore section
- Fix translation key structure to match component expectations

🤖 Generated with Claude Code

Co-Authored-By: Claude <noreply@anthropic.com>

frontend/src/components/admin/RestoreWizard.jsx

@@ -187,8 +187,8 @@ export const RestoreWizard = () => {
   const renderSourceSelection = () => (
     <div className="space-y-6">
       <div>
-        <h3 className="text-lg font-semibold text-gray-900 mb-2">Select Backup Source</h3>
-        <p className="text-sm text-gray-600">Choose where to restore the backup from</p>
+        <h3 className="text-lg font-semibold text-gray-900 mb-2">{t('backup.restore.source.title')}</h3>
+        <p className="text-sm text-gray-600">{t('backup.restore.source.subtitle')}</p>
       </div>
 
       <div className="grid grid-cols-1 md:grid-cols-3 gap-4">
@@ -203,8 +203,8 @@ export const RestoreWizard = () => {
           <HardDrive className={`h-12 w-12 mb-3 mx-auto ${
             restoreData.source === 'local' ? 'text-primary' : 'text-gray-400'
           }`} />
-          <h4 className="font-medium text-gray-900">Local Backup</h4>
-          <p className="text-xs text-gray-500 mt-1">Restore from local filesystem</p>
+          <h4 className="font-medium text-gray-900">{t('backup.restore.source.local.name')}</h4>
+          <p className="text-xs text-gray-500 mt-1">{t('backup.restore.source.local.description')}</p>
         </button>
 
         <button
@@ -218,8 +218,8 @@ export const RestoreWizard = () => {
           <Cloud className={`h-12 w-12 mb-3 mx-auto ${
             restoreData.source === 's3' ? 'text-primary' : 'text-gray-400'
           }`} />
-          <h4 className="font-medium text-gray-900">S3 Storage</h4>
-          <p className="text-xs text-gray-500 mt-1">Restore from S3 bucket</p>
+          <h4 className="font-medium text-gray-900">{t('backup.restore.source.s3.name')}</h4>
+          <p className="text-xs text-gray-500 mt-1">{t('backup.restore.source.s3.description')}</p>
         </button>
 
         <button
@@ -233,8 +233,8 @@ export const RestoreWizard = () => {
           <Upload className={`h-12 w-12 mb-3 mx-auto ${
             restoreData.source === 'upload' ? 'text-primary' : 'text-gray-400'
           }`} />
-          <h4 className="font-medium text-gray-900">Upload Backup</h4>
-          <p className="text-xs text-gray-500 mt-1">Upload a backup file</p>
+          <h4 className="font-medium text-gray-900">{t('backup.restore.source.upload.name')}</h4>
+          <p className="text-xs text-gray-500 mt-1">{t('backup.restore.source.upload.description')}</p>
         </button>
       </div>
 

frontend/src/i18n/locales/de.json

@@ -1198,10 +1198,7 @@
         "enterPassphrase": "Verschlüsselungs-Passphrase eingeben",
         "at": "um"
       },
-      "options": {
-        "title": "Wiederherstellungsoptionen",
-        "subtitle": "Wählen Sie, was wiederhergestellt werden soll",
-        "types": {
+      "restoreTypes": {
           "full": {
             "name": "Vollständige Wiederherstellung",
             "description": "Alles wiederherstellen, einschließlich Datenbank, Fotos und Archive",
@@ -1222,7 +1219,10 @@
             "description": "Bestimmte Elemente zur Wiederherstellung auswählen",
             "warning": "Nur ausgewählte Elemente werden wiederhergestellt"
           }
-        },
+      },
+      "options": {
+        "title": "Wiederherstellungsoptionen",
+        "subtitle": "Wählen Sie, was wiederhergestellt werden soll",
         "additionalOptions": {
           "title": "Zusätzliche Optionen",
           "skipPreBackup": "Vor-Wiederherstellungs-Backup überspringen",
@@ -1285,6 +1285,9 @@
         "starting": "Starte...",
         "validating": "Validiere...",
         "startNewRestore": "Neue Wiederherstellung starten"
+      },
+      "messages": {
+        "restoreStarted": "Wiederherstellung erfolgreich gestartet"
       }
     },
     "messages": {

frontend/src/i18n/locales/en.json

@@ -1254,10 +1254,7 @@
         "enterPassphrase": "Enter encryption passphrase",
         "at": "at"
       },
-      "options": {
-        "title": "Restore Options",
-        "subtitle": "Choose what to restore",
-        "types": {
+      "restoreTypes": {
           "full": {
             "name": "Full Restore",
             "description": "Restore everything including database, photos, and archives",
@@ -1278,7 +1275,10 @@
             "description": "Choose specific items to restore",
             "warning": "Only selected items will be restored"
           }
-        },
+      },
+      "options": {
+        "title": "Restore Options",
+        "subtitle": "Choose what to restore",
         "additionalOptions": {
           "title": "Additional Options",
           "skipPreBackup": "Skip Pre-Restore Backup",
@@ -1341,6 +1341,9 @@
         "starting": "Starting...",
         "validating": "Validating...",
         "startNewRestore": "Start New Restore"
+      },
+      "messages": {
+        "restoreStarted": "Restore started successfully"
       }
     },
     "messages": {