feat(chatbot): fix oncomplete type

Author: carolin913

src/chatbot/core/index.ts

@@ -192,7 +192,9 @@ export default class ChatEngine implements IChatEngine {
         const allContentFailed = this.messageStore.messages.every((content) => content.status === 'error');
         // eslint-disable-next-line no-nested-ternary
         this.setMessageStatus(id, isAborted ? 'stop' : allContentFailed ? 'error' : 'complete');
-        this.config.onComplete?.(isAborted, params);
+
+        // 返回空数组以满足类型要求
+        return this.config.onComplete?.(isAborted, params);
       },
     });
   }

src/chatbot/core/type.ts

@@ -166,7 +166,7 @@ export interface ChatServiceConfig {
   onMessage?: (chunk: SSEChunkData, message?: ChatMessagesData) => AIContentChunkUpdate | AIMessageContent[] | null;
   onComplete?: (
     isAborted: boolean,
-    params: RequestInit,
+    params?: RequestInit,
     result?: any,
   ) => AIContentChunkUpdate | AIMessageContent[] | null;
   onAbort?: () => Promise<void>;