Slightly adjacent, I like these two blog articles that show ways to think about non-linear dialogues:

https://philipphagenlocher.de/post/video-game-dialogues-and-...

(introduces an interesting and useful way to think about dialogues, in my opinion)

https://philipphagenlocher.de/post/data-aware-dialogues-for-...

(further expands on the ideas of the first blog post, automatically ensuring that some properties that might be desirable)