She is just shell-shocked...
And the "waiting for the light to come back" happens faster, as you only had to take that one waiter-droid off the rails, and change some breakers. The hour - or more, after all, you took ten - would be needed to fully repair the droid, including the arm.
And yes, she would be left behind if not joining us until saturday.
Vella can stay, or can go after the Sluissi, but while that part makes her gone from the Bar, she would be still around, so doable.
Also, as a party-building idea, yes, you can team up as the price of the Sluissi's "thing" is quite high - The stakes for that game would be easily reaching thousands of credits.