Blacksmithing at least is shared in the EE - you can have other party members repair your stuff while you're wearing it.
Repair, yes. Smith new stuff, no.
I wouldn't get your high hopes up for big inventory management changes in D:OS 2 - not if they want to keep the "drop-in, drop-out" co-op style going, and especially not with competitive questing.
That would be too bad if they wouldn't do something. Still, I think pointing out game design flaws and making suggestions can sometimes make devs change their minds. And this here is not some minor flaw, but a rather big one.