The manifest's invokes names seat:mesh-builds.step, seat:mesh-wants.step and each build seat's check.step; the seat's definition gives rerun, accept and why-carried inputs and the started pipeline's steps the value build, as the result's step enum has it. Builds: design 47 G §22, §24, A-97, A-99, A-102 Claude-Session: https://claude.ai/code/session_01NcbgfGKaxw984XyAPfLm4h