To this day i don't understand the difference between Junie and AI chat. Anyway, I use PyCharm on a fallback license as a read-only tool nowadays, sad but true.
Example: https://gist.github.com/rbehrends/4d9febe5c5c008961b309dd4a6...
The "Install From ACP Registry ..." allow you to use pi, OpenCode, Kilo Code, Cline, Cursor, Copilot (and a ton of other agents that I've never heard of) if you want.