I don't have any context provided to base an overview on. You've indicated this should be about "Module:If preview/configuration" and that it's a Wikimedia module, but no actual documentation or technical details were included in your message. Could you please provide the context material you'd like me to summarize?
AI-generated from the Wikipedia summary — may contain errors.
Module documentation
This module does the actual work for determining if the page is in preview mode. It is a separate module so mw.loadData can only run it once per page, rather than once per use.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).