well, what I need is a context manager. my projects or sub-projects are organized into directories. I have in use scripts that open different contexts, but it is not ideal because there are libraries that are repeated in contexts.
the option to navigate in the "Documents" sidebar tab is possible, but if there are many "directories" and files open, it becomes slow and not pleasant, and higher horizontal tabs, with fewer options, in my opinion, are practical.
I then imagined a checkable option that would trigger this behavior in Preferences -> Interface -> Notebook tabs.
however, one change may lead to other ...