agent-shell 0.63 updates

It's been a little over a month since the 0.55 update , but plenty has landed since. Let's go through the highlights as of v0.63. What's agent-shell ? agent-shell is a native Emacs mode to interact with AI agents powered by ACP ( Agent Client Protocol ). Supported agents The roster continues to grow. This time we get two new agents supported: Oh My Pi ( omp ), #631 by @tychoish . Grok Build (xAI),…