A good example of projects that do this are things built with Tauri. I myself work on a web project with a Rust backend and a TS front end, all in the same rep

A good example of projects that do this are things built with Tauri. I myself work on a web project with a Rust backend and a TS front end, all in the same repo. That said I use VS: Code, not Jetbrains stuff. It handles this case just fine.