I'd move the Obsidian markdown notes into a git repo (for versioning). Which would also open the door to running Claude Code to analyse my note taking.

Creating commits could be (semi) automated with a script that takes a git-diff and ask a local (or cheap) LLM to create logical commits with a reasonable commit message. The script could run on file save or periodically.

Mobile editing would be worse than Obsidian's iOS app. Workingcopy.app could provide an inferior but working UX.

Thinking in progress :D