feat(i18n): migrate hardcoded German strings to t() across 104 components/pages — AST-based batch with re-parse gate, 423 new de.json keys; tsc clean; vitest failures byte-identical to clean-tree baseline (pre-existing)

frontend/src/components/plugins/PluginRouteRenderer.tsx

@@ -4,6 +4,7 @@ import { Loader2 } from 'lucide-react';
 import { usePluginStore } from '@/store/pluginStore';
 import { ProtectedRoute } from '@/components/common/ProtectedRoute';
 import { PluginPage } from './PluginLoader';
+import { useTranslation } from 'react-i18next';
 
 /**
  * PluginRouteRenderer — catch-all route handler that checks the current URL
@@ -17,6 +18,7 @@ import { PluginPage } from './PluginLoader';
  *   { path: '*', element: <PluginRouteRenderer /> }
  */
 export function PluginRouteRenderer() {
+  const { t } = useTranslation();
   const location = useLocation();
   const manifests = usePluginStore((s) => s.manifests);
   const loaded = usePluginStore((s) => s.loaded);
@@ -63,7 +65,7 @@ export function PluginRouteRenderer() {
   // If manifests haven't loaded yet, show a spinner (not null/blank)
   if (!loaded) {
     return (
-      <div className="flex items-center justify-center min-h-[50vh]" role="status" aria-label="Loading">
+      <div className="flex items-center justify-center min-h-[50vh]" role="status" aria-label={t('pluginRouteRenderer.loading')}>
         <Loader2 className="animate-spin h-8 w-8 text-primary-500" aria-hidden="true" />
       </div>
     );
@@ -72,9 +74,9 @@ export function PluginRouteRenderer() {
   // No plugin route matched — show a simple not-found
   return (
     <div className="flex flex-col items-center justify-center min-h-[50vh] text-secondary-500">
-      <h2 className="text-2xl font-semibold mb-2">Page Not Found</h2>
+      <h2 className="text-2xl font-semibold mb-2">{t('pluginRouteRenderer.pagenotfound')}</h2>
       <p className="text-sm">
-        The page <code className="bg-secondary-100 px-1 rounded">{location.pathname}</code> was not found.
+        {t('pluginRouteRenderer.thepage')} <code className="bg-secondary-100 px-1 rounded">{location.pathname}</code> {t('pluginRouteRenderer.wasnotfound')}
       </p>
     </div>
   );