This is bonkers, and sort of smells. I’m not saying you have outright said anything untrue, but there is at least some ambiguity that my mind is filling in, potentially incorrectly.

Can you clarify how you got the Swagger files? Were they publicly available?

Could you share the exact verbiage they used to seemingly extort labor and intellectual property from you?

Does the university have some previously existing (and communicated/documented) policy regarding swapping or trading seats?