Honestly the TUI in most of these coding agents is so fancy I have trouble thinking of them as "terminal". I use Pi Coding Agent and the fact that it's terminal means it's easy to run inside something properly sandboxed in a YOLO mode using normal bash commands instead of relying on individually sandboxed tools.
Once I got the tmux settings for proper scrolling and whatnot it feels fine. Honestly the TUI of tmux is the one that really enrages me - so much complexity for just "I want to switch terminals on my remote".
With the one caveat that it does not (yet) support copy/paste buffers or copying from the scroll back buffer. It’s also adamant that you use a mouse to select/copy - anything more complex and you need to pipe everything into neovim (or whatever text editor you use) and do your work there. I love zellij - it feels like the future - but hard to give up keyboard based select/copy and pulling from my scrollback.
Once I got the tmux settings for proper scrolling and whatnot it feels fine. Honestly the TUI of tmux is the one that really enrages me - so much complexity for just "I want to switch terminals on my remote".