In our mono repo at work, we have a few hundred devs in there daily working just fine. Linters check that there are no relative paths allowed (so you can’t rely on directory structure) and no absolute paths either. If you want to load a file in the tree, you must use a “blessed” constant or function to get the base path of your current code or some other code.

TBF, if you have centralized dependencies or your dependency on another module affects your dependencies, you are probably doing it wrong. APIs between parts should be well defined and not require the entire dependency runtime to be loaded to interact with it.