This would be so helpful. About a year ago I got the combination of FZF and bat working for my command line history. It’s wild how much better and easier that makes it to find complex commands from the past.

Isocline, a readline alternative by Daan Leijen (an absolute legend) is about the closest I've found to this: https://github.com/daanx/isocline

That said it doesn't push "input controls" quite to the extreme Rich/Textual do for UI controls, but it might be a starting point to look into.

Take a look at prompt_toolkit which is a Python library used by IPython among others: https://github.com/prompt-toolkit/python-prompt-toolkit