Earlier quoted context omitted.
Warp engineer here. Really appreciate your ideas here! > Warp's more visual completion is super welcome. Does it work with the shell's standard completion scripts? It does not. But we have completions out of the box for 200 commands. Warp's input is a text editor instead of the shell input. This means we ended up building completions by hand and soon, via the community. We think this is a better experience because we…
> This means we ended up building completions by hand and soon, via the community. You like people to contribute for free ("build a community") but refuse to give them an actual FOSS client. This is bound to fail. There are ways to make this go both ways though, and I hope you'll make them work once you are a bit further along in your journey. Exciting project!
In the case of completion, if you can generate (less rich but still useful) bash/zsh/fish completion scripts from these files, program authors might be happy to use it even in the absence of a fancy terminal.