A Neovim config for Rust that I test like software

I write Rust in RustRover at work, and I still use JetBrains tools every day. They are the reason I wanted a certain kind of editing experience in my own terminal: errors on screen while I type, a debugger that shows real values, a test tree, an undo history that survives my own mistakes. So I built xynovim, a Neovim config for Rust on top of LazyVim. It is a personal, independent project, not affiliated with JetBrains, and this post is the short tour. The real config on a small demo crate. E