feat:记录会话，按顺序记录AI和用户的会话

- 包含工具调用等

src/utils/chatHistoryManager.ts

@@ -333,6 +333,24 @@ export class ChatHistoryManager {
     await this.saveConversation(messages);
   }
 
+  /**
+   * 添加工具执行结果消息
+   */
+  public async addToolExecutionResult(id: string, toolName: string, result: string): Promise<void> {
+    await this.ensureCurrentTask();
+    const messages = await this.loadConversation();
+
+    const toolResultMessage: ToolExecutionResultMessage = {
+      type: MessageType.TOOL_EXECUTION_RESULT,
+      id,
+      toolName,
+      text: result
+    };
+
+    messages.push(toolResultMessage);
+    await this.saveConversation(messages);
+  }
+
   /**
    * 记录对话轮次元数据
    */