Doesn’t cosmic files already support this feature?

Right-click -> Show details -> Open with

I’m not sure but I found this: https://github.com/pop-os/cosmic-epoch/issues/603#issuecomment-3679614479

Thanks for that

Don’t really care if anyone would use it at the moment. My main goal right now is to improve my rust skills. And I guess there are limitations to how much ui you can change in obsidian.

Also there are other contexts where a note taking like function would be needed. For example I was actually trying to make a note taking app for cosmic desktop which I can access from the Taskbar