A clover of same-size rectangles drawn around a shared corner was refused as over-constrained.
Constraints that remove no degree of freedom but still hold (zero residual) are now kept and shown dimmed as redundant. Conflicting ones are still refused. A redundant driving dimension is refused with "already determined by ...". Typed sizes become driven (reference) dimensions. Drawing no longer adds Horizontal/Vertical to a side that is already implied through two coincident corners. The solver reports redundant constraints using a Jacobian row-dependence test.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
