Yes, contracts never change, Only what is in your membership, So, as long as they are the same resort and UY, titled the same way, they will function as though you have one large contract, but will remain individual.
If you buy some points resale and some points direct, only the direct points would be usable at new resorts and be eligible for the blue card,
If you ever sold that contract, then the blue card benefits go away.
This explains a lot and is very helpful!!! Thank you!!