Studio 2 is destructive

Yes. So it clearly not only doesn’t give you a “typical” Smart Object type of functionality. But there is also no benefit to saving your TS 2 layer work as a project then returning to Ps and saving the files as a .PSD with the expectation that when you re-open that layered .PSD you can launch back into the prior Studio session and easily re-open the project file you’d saved for the particular image. Gawd, I think I even got my own brain confused with that sentence…