// app/Events/PermissionsChanged.php
namespace App\Events;
use Illuminate\Broadcasting\PrivateChannel;
use Illuminate\Foundation\Events\Dispatchable;
use Illuminate\Broadcasting\InteractsWithSockets;
use Illuminate\Contracts\Broadcasting\ShouldBroadcast;

class PermissionsChanged implements ShouldBroadcast {
    use Dispatchable, InteractsWithSockets;
    public function __construct(public int $userId) {}
    public function broadcastOn() { return new PrivateChannel("user.{$this->userId}"); }
    public function broadcastAs() { return 'permissions.changed'; }
}