Some questions and thoughts....
What is the roof covered with?
Eave vents covered with 1/2" hardware cloth? Roof peak?
Which way does the coop face? From looking at pic facing door, according to shadows, sun on left?
It looks to me, that they built knee- walls (nest boxes) and then built...
About the wires..My coops are all in my pole barn. Running along the top of the purlins, roughly about chicken head height of standing on roosts, they've never bothered them. I just added a window in my one coop and I had to drop that wire and run it along the bottom of the 3 1/2" face side...