fix: send-stream api login error

ruoyi-vue-pro-master-jdk17/yudao-module-ai/yudao-module-ai-biz/src/main/java/cn/iocoder/yudao/module/ai/controller/admin/chat/AiChatMessageController.java

@@ -80,8 +80,10 @@ public class AiChatMessageController {
     @PostMapping(value = "/send-stream", produces = MediaType.TEXT_EVENT_STREAM_VALUE)
     @PermitAll // 解决 SSE 最终响应的时候，会被 Access Denied 拦截的问题
     public Flux<CommonResult<AiChatMessageSendRespVO>> sendChatMessageStream(@Valid @RequestBody AiChatMessageSendReqVO sendReqVO) throws MalformedURLException {
-        if (getLoginUserId() == null){
-            throw exception(USER_NOT_LOGIN);
+        Long userId = getLoginUserId();
+        if (userId == null) {
+            // 将错误包装在流中返回
+            return Flux.just(CommonResult.error(USER_NOT_LOGIN.getCode(), USER_NOT_LOGIN.getMsg()));
         }
         // 禁用ruoyi的上下文能力
         sendReqVO.setUseContext(false);
@@ -101,7 +103,7 @@ public class AiChatMessageController {
         if (sendReqVO.getResponseChatItemId() == null) {
             sendReqVO.setResponseChatItemId(generateBase62UniqueId(20));
         }
-        return chatMessageService.sendChatMessageStream(sendReqVO, getLoginUserId(), originalUrls);
+        return chatMessageService.sendChatMessageStream(sendReqVO, userId, originalUrls);
     }
 
     @Operation(summary = "获得指定对话的消息列表")