I roasted all the pads of one of the header pieces so now it won't mount unless I superglue it etc in addition to making jumper leads. I don't mind remaking the board. I took the bulb off and ordered a new set.
I wasn't happy with the way the headers spaced the bulb/LDR setup so I changed it. And then changed it again. Normally I'm not bad at removing soldered-on components but I believe the profile of the header was my undoing.