hi,

some enhancement ideas might be pointlessly sophisticated, aiming a level of effortlessness that in real life never is a desired thing,

and one might think that "Session" could belong to this category, too...

however, if you keep it simple, it could serve a good workflow...


its goals should be and remain:
 
reopening the documents you're currently working on
sometimes reopening past sessions, or other sessions, i.e. another "bunch"

- - - - -


NOTE 1: this could be best done in the Publisher (that the Master document could evolve to be)

one of its functions could be to handle "bunches" of documents -- not necessarily incorporating all into a Master Document

In "Publisher" (in the future) it could get a column in the menu...
like "Project Files" (handling documents and objects, including exporting all of them as copies into a folder on request, when it comes to that, like in video editor software)


NOTE 2:
in Navigator it could dwell perfectly well :)


NOTE 3: a very simple version in Writer (not yet in Publisher :) ) of it in "File / Recent Documents" could be a very visible separator under the last document of the previous session
sessions, by extensive use has become a function in Firefox, for example, obsolete, cause just reopening the tabs from the last time is suffice, and works perfectly...