修复在线名单职务图标显示

tests/Feature/ChatControllerTest.php

@@ -124,6 +124,31 @@ class ChatControllerTest extends TestCase
         $this->assertFalse($channelCallback($user, (string) $room->id));
     }
 
+    /**
+     * 测试聊天室 Presence 频道会返回当前在职职务图标与名称。
+     */
+    public function test_room_presence_channel_returns_active_position_payload(): void
+    {
+        $room = Room::create([
+            'room_name' => 'posbadge',
+            'door_open' => true,
+        ]);
+        $user = $this->createUserWithPositionPermissions([]);
+        $position = $user->activePosition()->with('position.department')->first()?->position;
+        $channelCallback = Broadcast::driver()->getChannels()->get('room.{roomId}');
+
+        $this->assertIsCallable($channelCallback);
+
+        $this->actingAs($user)->get(route('chat.room', $room->id));
+
+        $authorizedPayload = $channelCallback($user, (string) $room->id);
+
+        $this->assertIsArray($authorizedPayload);
+        $this->assertSame('🛡️', $authorizedPayload['position_icon'] ?? null);
+        $this->assertSame($position?->name, $authorizedPayload['position_name'] ?? null);
+        $this->assertSame($position?->department?->name, $authorizedPayload['department_name'] ?? null);
+    }
+
     /**
      * 测试主干默认聊天室页面不会渲染虚拟形象挂载点和配置。
      */