[pseudo_meta]

Seeing that you use Obsidian: Have you thought about turning that into an Obsidian plugin that offers the predictions as editor suggestions?

[elektor]

This exists on a word level.

Completr is a plugin that provides auto-completion functionality for obsidian.

https://github.com/tth05/obsidian-completr

[pseudo_meta]

That does change completions from a list of words, but not completions based on predictions of the next word.

[hidelooktropic]

Interesting application