An LLM doesn't have enough context to know what you so and don't want. If you give it call logs for every function that was called and how, maybe, but a seasoned engineer will have more context around what the company needs.
Honestly though, it's pretty clear the AI rewrites work, we have a ton of high profile examples. It's just a holdover attitude about rewrites from before AI. In reality, AI is going to make the code better when it rewrites
Such as?
pgrust, high profile rewrites all over the place.
When you have an oracle to check behavior against, it is really easy to build a robust testing machine with property tests against the original.
You don't get to pick what parts of the API you're porting during something like that, it has to work the same or some of the ecosystem around it will break.
Obviously this fails if this is a large org with many teams and microservices, but for a leaner org this isn’t really a problem.
I realize this thread is about Cisco so my comment doesn’t apply here haha.
And AI is really good at all the stages here.