聊天室显示个数

app/src/main/java/com/aiosman/ravenow/ui/index/tabs/ai/AgentViewModel.kt

@@ -195,14 +195,13 @@ object AgentViewModel: ViewModel() {
             try {
                 val response = apiClient.getRooms(
                     page = 1,
-                    pageSize = 21,
+                    pageSize = 20,
                     isRecommended = 1,
                     random = 1
-                ) // 请求21个，确保是3的倍数
+                )
                 if (response.isSuccessful) {
                     val allRooms = response.body()?.list ?: emptyList()
-                    // 确保房间数量是3的倍数，如果不足则截取，如果超出则取前几个
-                    val targetCount = (allRooms.size / 3) * 3 // 向下取整到最近的3的倍数
+                    val targetCount = (allRooms.size / 2) * 2
                     rooms = allRooms.take(targetCount)
 
                     // 转换为ChatRoom格式用于兼容现有UI