The watchman asks the seat that places modules who holds each build seat (seatlist.HolderOf) and watches that holder's steps; its manifest reads the seats' steps and invokes the seat's assignments. The builder's stuck reader looks a step up by its seat, the tests find the holders on their test seat list, the watchman's integration bed answers who holds a seat. Its manifest tests take the manifest's requires. Builds: design 47 G A-82, A-126 Claude-Session: https://claude.ai/code/session_01NcbgfGKaxw984XyAPfLm4h