Looks like the pivot 'bolt' where the span can be adjusted, fell out. Doesn't look like a bolt, maybe rose joint?
The V-Trec levers have what look like normal allen heads with lock nuts.
I'm going to send photos etc to Wunderlich and see what happens. I not after anything but if it had been the brake, I may not have been so lucky. I think they need to check the design. A normal bolt and lock nut would give you warning and would remain in place if the lock nut came loose. The main pivot pins have a thread which screws into the handle bar clamp and then a lock nut as well.
