Stuff like this are already a commercial product, it isn't only Zig to Rust rewrites going around.

https://www.pega.com/insights/resources/break-free-legacy-ma...

https://www.ibm.com/products/watsonx-code-assistant-z

https://global.fujitsu/en-global/pr/news/2026/03/30-01

https://www.rocketsoftware.com/en-us/insights/ai-powered-cob...