Retry LLM network failure in new Agent Panel using keyboard shortcuts

[mpj]

When using the new Agent Panel, if the LLM request fails (which is ooooooften) then it needs to be retried, which I do with the mouse by selecting the last message sent to the agent and clicking the little regenerate button. This is somehting I have to do quite often and it really breaks my flow (also shows a very annoying dialog that covers the interface).

I am not quite sure how to make this better - one thing I certainly would like is way to retry quickly with the keyboard, I cannot figure out if there is a way to navigate the agent panel this way using the keyboard. Another improvement would be if the error message could offer a way to quickly retry (also please using the keyboard). And finally, a setting that retries requests automatically (would need some warning I suppose as I've understood that AI providers generally charge for these failed requests).