They used AI based TOOLS to convert the JavaScript engine (the main rendering engine is still C++) and it was not fully automated but was human reviewed. Other subsystems will be looked into to also be converted to Rust in the future. I have no problem with any of that.
No we just do it manually, our contact methods are calls, chats and e-mails. Whoever is doing the e-mail task for the day, deals with the e-mail, logs the appropriate ticket, adds the reference to the source e-mail and then files it in the appropriate folder.
At least that's how it's supposed to work