Cleaned moisture rows leave stage one as “pct” and stage two still reads “percent.” What kind of defect is that?

Stage one writes “pct” and stage two still reads “percent.” That handshake broke between pipeline stages, so it is a component-integration defect from mismatched interfaces or assumptions. It is not the fitted model, not a Chapter 6 metamorphic relation, and not a blank-cell missing-value constraint.