Scrivener had warnings about writing to a networked drive, given the large number of files in what looks like one file in Scrivener. Don't know whether the warning is still there. It was a pinned comment on their forum.
I tried something similar, with the original copy on my MacMini in the upstairs office, and me writing in comfort on my MacBook downstairs, but I stopped doing it when I read the comment. Instead I copy the whole Scrivener project to my MacBook, do my writing, and then copy the whole project back to the MacMini. But take a copy of the project before moving it, and don't remove it until you've opened the returned copy on your "server".
Mind you, if your setup works, go for it. One doesn't always want to work in the main computer, but I'd routinely take a copy before each remote writing session, as described above. That way you only stand to lose one session's work.
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