Get them to learn the fundamentals and understand them deeply just like they should/might have in the past.
They can do so at an accelerated rate using AI on verifiable subject matter. Use something like SRS + copilot + nano (related: https://srs.voxos.ai) to really internalize concepts.
Go deep on a project while using AI. To what extreme can they take a program before AI can't offer a working solution? Professors should explore and guide their students to this boundary.
Obligatory reference to "The illustrated guide to a Ph.D." - https://matt.might.net/articles/phd-school-in-pictures/