修复问题

yudao-module-tik/src/main/java/cn/iocoder/yudao/module/tik/chat/controller/app/AppAiChatMessageController.java

@@ -58,7 +58,7 @@ public class AppAiChatMessageController {
         // 将 App VO 转换为 Admin VO
         AiChatMessageSendReqVO adminReqVO = BeanUtils.toBean(sendReqVO, AiChatMessageSendReqVO.class);
         // 调用 Service，然后转换响应
-        var adminResp = chatMessageService.sendMessage(adminReqVO, getLoginUserId());
+        AiChatMessageSendRespVO adminResp = chatMessageService.sendMessage(adminReqVO, getLoginUserId());
         // 手动转换 segments，因为内部类类型不同
         AppAiChatMessageSendRespVO appResp = convertSendRespVO(adminResp);
         return success(appResp);