Same here. Also Factorio AFAIK has no good copilot. Sadly the best LLMs are not fine-tuned on Factorio so my productivity takes a massive hit when moving from side projects to Factorio.
From what I can tell, it seems like generally they're doing RAG over the game's wiki, and then reading it to you in an attractive-lady voice.
Also saw Facebook's experimental Diplomacy AI. Wish that were usable the time we lost a player.
I find that pretty amusing.
It's perhaps too long, overflows the parser stack.