[Plugin] How to correctly bind a resource to the editor?

Godot Version

4.3 stable

Question

I am writing a plugin that adds an editor to the bottom panel for a specific type of resource, I also added a new node that stores this new resource

How can I link my editor to this resource, like this happens with shaders or animation?
I made the editor open when this resource is selected, but how can I implement loading it and saving in the file system?

I would also like to receive signals when a resource is changed in the inspector, either to clear a new editor or to load, is it possible to do without EditorInspectorPlugin or is it impossible?

Could you create a bulleted list of what you are trying to do. I see what you are aiming for but I need to know what the individual things you are trying to do is. =)

You can see here: Plugin Howtos: Make a plugin to edit selected Objects