Add scripts to the left-side pane

It’s a bit of a pain to have to go into a card, scroll down to “On Select” (on my system I have to scroll), click to edit the action, then click to edit the action script. I’d like to see “Scripts” as an option on the left: Application, Data (add that one, too, and pull it from Application), Views, Scripts, Media.
Also, I can’t figure out how to delete an unused script.

This is fantastic feedback! We have great news – an improved script editor experience is in the works that will make scripts front and center (along with the ability to delete scripts).