[FEAT] Support A2A protocol？

[s-chance]

Is your feature request related to a problem? / 你想要的功能和什么问题相关？

is this project support A2A(Agent to Agent)？

Describe the solution you'd like. / 你想要的解决方案是什么？

AI shares conversational context, just like group conversations.

Describe alternatives you've considered. / 你考虑过的其他方案是什么？

No response

Additional context / 其他信息

No response