feat(ai): 将小班长升级为完全独立的实体用户并支持随机金币发放及持续在线刷级，设定为女兵人设并使用自定义头像

app/Events/ChatBotToggled.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace App\Events;
+
+use Illuminate\Broadcasting\Channel;
+use Illuminate\Broadcasting\InteractsWithSockets;
+use Illuminate\Contracts\Broadcasting\ShouldBroadcastNow;
+use Illuminate\Foundation\Events\Dispatchable;
+use Illuminate\Queue\SerializesModels;
+
+class ChatBotToggled implements ShouldBroadcastNow
+{
+    use Dispatchable, InteractsWithSockets, SerializesModels;
+
+    /**
+     * Create a new event instance.
+     */
+    public function __construct(
+        public array $user,
+        public bool $isOnline
+    ) {}
+
+    /**
+     * Get the channels the event should broadcast on.
+     *
+     * @return array<int, \Illuminate\Broadcasting\Channel>
+     */
+    public function broadcastOn(): array
+    {
+        return [
+            new Channel('chat.system'),
+        ];
+    }
+}