There's been a lot of talk of wargaming a Russia vs Sweden conflict lately since they are not part of NATO and would not invoke the Article 5 commitment. I know they work closely with NATO but iirc are not covered under the treaty itself.
Stock scenarios#149, 150, 173, 174 and 175 by Ulf Lundstrom are cold war what if scenarios involving Soviet Union vs Sweden, although set 25 years before than the would be scenarios of timeline suggested by op, those prove that they can be very well designed if attention to detail is kept in mind as always with scenario design