Here is very similar request: Small but big QoL: When linking a pre-existing word or phrase, display the note suggestion menu
Can they be merged?
I would rename “highlight” to “select” in title and in posts, as a lot of people will associate this with ==syntax==.
Do you now of some good video illustration from TiddlyWiki / YouTube that you could embed or link from original post? I am too lazy to search for it 