Currently, there are text commands that can change a slot in a hotbar into another action or even copy another job's hotbar directly. This has a multitude of uses as a way of cycling through hotbars for emotes, using it for raids, etc.
However, with the new command panel introduced recently there is no way for text commands to interact with the slots inside the command panel on each page. You can only assign, move around, or take out manually.
My suggestion is to add the command panel in text commands similar to that of /hotbar and all it's subcommands so that slots inside the command panel can be interacted with by use of macros. This will help even further free up hotbar space outside the command panel.