The unit level fails on a file that differs, is missing or was not generated; a build
ask answers the same files in its out-of-step, a failed build's too, so a trunk build's
end raises generated-types-out-of-step (lead's ruling on A2k finding 1). The compare is
buildstep's, each build module its own root, with the seat generator as a requirement.
Claude-Session: https://claude.ai/code/session_01JG73KJNrH5EgFXMKKYSrig
jschoubben
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