WheresWaldo I like your stuff!
Skimming through I see you have quite a few Cygolite accessories. Do you have a simple mount to attach a front Cygolite to a threaded boss on a front rack?
Right now I'm using a GoPro style adapter for the Cygolite, attaching that to another GoPro arm, and then running an undersized through bolt through the boss on my rack:
It's an M6 boss