A lot of things.

app/View/Components/XenForoAvatar.php

@@ -3,6 +3,7 @@
 namespace App\View\Components;
 
 use App\Auth\XenForoUser;
+use App\Services\XenforoService;
 use Closure;
 use Illuminate\Contracts\View\View;
 use Illuminate\View\Component;
@@ -13,11 +14,13 @@ class XenForoAvatar extends Component
      * Create a new component instance.
      */
     public function __construct(
-        public ?XenForoUser $user = null,
+        public null|int|XenForoUser $user = null,
     )
     {
         if( $this->user === null )
             $this->user = \Auth::user();
+        else if( is_int( $this->user ) )
+            $this->user = app(XenforoService::class)->getXfUser( $this->user );
     }
 
     /**