Embed query to list children notes

Perhaps you could check out the plugin linked below, which has four different outlines that can be inserted as blocks, and see if it meets your requirements.
https://github.com/TinkMingKing/siyuan-plugins-index
I'm not a native English speaker, so please forgive me if I misunderstood.

Is it like this plugin to display the upper and lower documents? https://github.com/OpaqueGlass/syplugin-my-plugin-collection/blob/main Or do you want to implement other styles, I'm not quite sure what you mean

Bro, I think you should definitely take a look at the plugin in the link below, it looks like it does exactly what your screenshot shows it does
https://github.com/TinkMingKing/siyuan-plugins-index

Yeah, thanks, that is an option, too!