The easiest way to get classnames for me was using the infiSTAR antihack. There is a menu which lists every single classname. Also, I have compiled lists of classnames over the year + Ive been running the server. If you email me at [email protected] I can send you some helpful links there.
Specifically in the Script Release section. The AI missions are called DZMS and there is a release thread on this very site.
Trader items are all handled in the database. I had to manually enter everyone.