Off-centre joint limits (20..50, -10..50, -50..0) so Max-Min is distinguishable from |Min|+|Max| and 2*max/2*Max; Bind walking past tagged
nodes that are not joints; Rigs and the lead mount follow hull order where it differs from name order. Tests only; builds.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>