A limited set of actions can assigned via macro commands. Incompatible actions are ommited from the generated macro. Also note that Macros are limited to 15 lines each.
All are FSH specific. Extra bait stays in Saddlebag. Tried to keep things grouped functionally. Untested so far, purely hypothetical.
Full Fisher WXHB I ran out of space to add other gatherer skills, but this is easy use for spear fishing on the 1LT and general fishing on all the other XHBs.
/sit
This macro lets you trigger "Cast" and "Hook" from the same button, saving a slot for another action.
/micon "Cast" /ac "Cast" /ac "Hook"
I am currently lvl 45 fisher, and this is the layout I use. I will update as I lvl up.