fix: #4997 zhipu chat model response typeError (#5212)

Author: jeasonnow

libs/langchain-community/src/chat_models/zhipuai.ts

@@ -67,10 +67,14 @@ interface ResponseChoice {
   message: ChoiceMessage;
 }
 
+interface ZhipuAIError {
+  error: BaseResponse;
+}
+
 /**
  * Interface representing a response from a chat completion.
  */
-interface ChatCompletionResponse extends BaseResponse {
+interface ChatCompletionResponse extends ZhipuAIError {
   choices: ResponseChoice[];
   created: number;
   id: string;
@@ -295,12 +299,12 @@ export class ChatZhipuAI extends BaseChatModel implements ChatZhipuAIParams {
             options?.signal,
             (event) => {
               const data: ChatCompletionResponse = JSON.parse(event.data);
-              if (data?.code) {
+              if (data?.error?.code) {
                 if (rejected) {
                   return;
                 }
                 rejected = true;
-                reject(new Error(data?.message));
+                reject(new Error(data?.error?.message));
                 return;
               }
 
@@ -340,8 +344,8 @@ export class ChatZhipuAI extends BaseChatModel implements ChatZhipuAIParams {
           false,
           options?.signal
         ).then<ChatCompletionResponse>((data) => {
-          if (data?.code) {
-            throw new Error(data?.message);
+          if (data?.error?.code) {
+            throw new Error(data?.error?.message);
           }
           const { finish_reason, message } = data.choices[0];
           const text = message.content;