This is a time-consuming step. First, I pulled out all the wires. Then I started applying nice rounded fillets of epoxy paste to all the joints. I am about 2/3 done, and it will probably take about 30 batches of epoxy (one patch mostly fills a 12-ounce plastic cup).
I also added a few cleats to the floors and bulkheads that I hadn’t glued in place before assembly.