Vlad Maybe a column called "Privacy" with 0, 1, or 2 dots.
0: User data is used to train models
1: User data is not used to train models
2: User data is not used to train models AND User data is deleted within 30 days
These explanations would then be provided in the Assistant documentation.
Alternatively, an MVP could just be a column that links to each model API's specific terms of service, or it could just be a binary column indicating with a check mark that user data is not used for model training, though I suspect data retention is also a common concern for users.