feat(vscode-ide-companion): 0.2.4 版本ACP 协议检测和实现

- 新增 session/list 方法支持
- 改进 session/load 方法兼容性
- 优化代理环境变量设置
- 调整 CLI 安装流程
- 移除未使用的随机加载消息功能

packages/vscode-ide-companion/src/agents/qwenConnectionHandler.ts

@@ -57,6 +57,8 @@ export class QwenConnectionHandler {
       console.warn(
         `[QwenAgentManager] CLI version ${versionInfo.version} is below minimum required version ${'0.2.4'}`,
       );
+
+      // TODO: 暂时注释
       // vscode.window.showWarningMessage(
       //   `Qwen Code CLI version ${versionInfo.version} is below the minimum required version. Some features may not work properly. Please upgrade to version 0.2.4 or later.`,
       // );