So if I summarize, you’d like to be able to use a chat so that users can type questions about the content located in wiki pages. In other words, you’d like a LLM trained on data found in wiki pages. Right?
Note that XWiki SAS is starting to work on such a project, see https://design.xwiki.org/xwiki/bin/view/Proposal/X-AI/WAISE/
This project should start in early September and I’d say you should be able to see usable results around the end of the year probably.
Hope it helps