And what would the goal of that be? I thought the goal of education was... education. The grading is not goal in itself. Will this really motivate kids to do better?

Sounds like a great opportunity for kids in high school to learn how to feed back the AI detection results into the model and have this process be automated. Next level would be fine tuning the model via reinforcement learning and sharing it with your friends via Hugging Face.

See Dyson Sphere: https://en.wikipedia.org/wiki/Dyson_sphere

Dependencies. There are billions of lines of C++ out there that have been optimized and production hardened over decades that you might want to reuse. Rust lang interoperability with anything but C sucks in practice.

libuv? libevent?