Gitea-Repo fix

frontend/js/auth.js

@@ -135,12 +135,14 @@ class AuthManager {
   // Get user initials
   getUserInitials() {
     if (!this.user) return '?';
-
-    return this.user.username
-      .split(' ')
-      .map(part => part.charAt(0).toUpperCase())
-      .slice(0, 2)
-      .join('');
+    
+    // Verwende das initials Feld direkt
+    if (this.user.initials) {
+      return this.user.initials.toUpperCase();
+    }
+    
+    // Fallback für alte Daten
+    return '??';
   }
 
   // Get user color