Assuming the details of your story are accurate, that dinner violates a number of norms and industry standards.

Reps can pay for dinners where clinical presentations are made (educational events). Budgets are supposed to be capped and reasonable. Non-physicians are not allowed to attend.

Not saying your story isn’t true, just saying there are already rules around not doing those things.

Oh, and your sign in sheet will record how much was spent on your meal and it’s should be on the Sunshine Act website that is publicly accessible.

https://openpaymentsdata.cms.gov/search