Method streamChat

src/agent/LLMManager.ts:161–180

* 流式聊天

(
    messages: LLMMessage[],
    onChunk: (chunk: string) => void
  )

   * 流式聊天
   */
  public async streamChat(
    messages: LLMMessage[],
    onChunk: (chunk: string) => void
  ): Promise<string> {
    this.ensureLLMAvailable();

    if (this.llm instanceof QwenLLM && this.llm.streamChat) {
      this.log('开始流式对话...');
      const response = await this.llm.streamChat({ messages }, onChunk);
      this.log('流式对话完成');
      return response.content;
    } else {
      // 降级到普通聊天
      this.log('流式聊天不支持，降级到普通聊天');
      const request: LLMRequest = { messages };
      const response = await this.llm!.chat(request);
      onChunk(response.content);
      return response.content;
    }
  }

  /**
   * 系统提示词聊天