How would you set up an experiment to prove that a new prompt version is actually 10% better than the old one? What metrics would you track?

How does asking the model to "Respond as a panel of three experts (a coder, a security lead, and a PM)" differ from asking it to "Respond as a Senior Engineer"?

How do you prevent a user from using your "Search Tool" to look up internal sensitive data they shouldn't have access to?

In an API inference call, what is the functional difference between the System, User, and Assistant roles?