Emacs works perfectly in sync with claude code/codex/opencode or any cli ai coding tools, it's never going to go away.
https://github.com/xenodium/agent-shell
xenodium is doing some amazing work (and not just on agent-shell, either!)
Agent-shell is like the Claude code CLI. Claude-code-ide is like cursor with ghost completions/auto complete, chat, etc.
There's also claude-code-ide.el that gives you more of a cursor like experience with autocomplete, simple chat, etc.