It's unlikely that you will have to do more than attend a few meetings and write some emails, possibly provide some code samples. The goal is likely not a complete working solution but to punish you for unwittingly countering someone's reason for needing a large team (and therefor you are threatening their pay).
Quite possible the desired solution here might be you agreeing to say that a proper solution can't work safely with the university systems for some made up reason.
Accept that you have lost, take the offer.
It's unlikely that you will have to do more than attend a few meetings and write some emails, possibly provide some code samples. The goal is likely not a complete working solution but to punish you for unwittingly countering someone's reason for needing a large team (and therefor you are threatening their pay).
Quite possible the desired solution here might be you agreeing to say that a proper solution can't work safely with the university systems for some made up reason.