I think the future of replacements to well established frameworks written in Python/etc.. are zero dependency binaries (from Rust or Go) that require so little configuration and tuning and they "just work".

That being said, that's not this project.

Agreed. Right now, if I needed "workflow" for a greenfield that could tolerate some risk, I'd look at https://www.restate.dev/ which matches your model of a self contained binary.