[theme_info] mood=dark property...
This and the other suggestions involving file contents require all the colour scheme files to be opened and read to get the information before displaying for user selection, probably not going to happen, hence my suggestions that rely only on filename and which can use default alphabetic sort order to group.
🚲 🏠
[bikeshed](https://thedecisionlab.com/biases/bikeshedding) in this case a discussion of what the colour scheme filenames idiom should be :grinning:.