chore: implement audit action items and translate hardcoded German text

lib/immich.ts

@@ -66,13 +66,13 @@ export interface SubpageSummary {
   coverAssetId: string | null;
 }
 
-// Module-level flag so the album summary is only logged once even if the
-// ImmichClient singleton is replaced in hot-reload scenarios.
-let _hasLoggedAlbums = false;
+// Note: Album summary logging state is kept in the client instance.
 
 // ── API Client ─────────────────────────────────────────────────
 
 class ImmichClient {
+  private hasLoggedAlbums = false;
+
   private get config() {
     return getConfig();
   }
@@ -168,8 +168,8 @@ class ImmichClient {
       });
 
     // Log album summary on first load so admins can see what's published
-    if (!_hasLoggedAlbums) {
-      _hasLoggedAlbums = true;
+    if (!this.hasLoggedAlbums) {
+      this.hasLoggedAlbums = true;
       console.log('\n[Lightbox] Published albums:');
       console.log('─'.repeat(80));