There's a lot of things you can do with the tools SOE has provided. They might not all be a good idea.
I declinded modding my timer window to do a group or a raid say when the warning bell goes off. It's trivial to do, but from there it's really trivial to change it to kicking off abilities after a time delay. It was just a whole grey area I didn't want to go into.
I'd like to think that the EQ2 police would ask us to take a mod down nicely before doing anything nasty. But I think we have some responsibility to think about the things we do ourselves and whether it would be abuse or not.
Back to the original question, I don't think that crosses the line.
Oh, and I would think that with a combination of duel invite, trade invite, and group invite, you could make a decent portal bot... (which I'd think is over the line)
Just group invite = (decline) then cast ring of commonlands
Trade Invide (decline) then group invite (decline) = cast ring of antonica
Duel Invite (decline) then group invite (decline) = gfay
Trade then duel then group = butcherblock
duel then trade then group = kylong plains
Hmmm, is there another window you can open on the remote person's screen? really need 1 more bit to get all the portals
Maybe trade, trade, group? and duel duel group? Then you can make sequences as long as you want...