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Currently Work In Progress. @ncosentino
Basically, you as creator, can flag articles as "Member Only". If a user is logged in and has a "Member" Role (has to come from your OIDC provider), he can see the content otherwise you get a message.

I have to give myself some more thought on how the migration path would look like, as the system now has roles it didn't have before. Maybe via toggle or whatnot. But that shouldn't be your problem ;)