I was just changing some entitynames in home assistant and was thinking how great it would be if you change the entityname you get the question to change all corresponding automations and lovelace cards automatically.
In studio code server there is an option to searchg for an entity and replace it with something you want on all files in the config folder. but it would be next level if everything in home assistant is instantly changed when you change an entityname. Offcourse with a question if you would like to change it or keep as is.