Lenses may now zero a column as well as scale it; a zero is a decision to ignore a feature, not a sign flip. `clan-ristar` scales `focus_damage` to 0.4 and `house-regular` to 1.3, so a duellist and a drilled company care differently about the company target. Co-Authored-By: Claude Code <noreply@anthropic.com> Change-Id: Id1fbd14a5cf50d93caff5ad1e6eddfd4b5d25d3a