1a28f2a593
Two display fixes for the adaptive grid, from field feedback: - Equipotential contours showed leaf-sized staircase corners on plane interiors: the potential is now expanded piecewise-LINEARLY from each leaf's reconstructed gradient instead of constant-per-leaf, and the default ADAPTIVE_MAX_CELL_UM drops 2 mm -> 1 mm (interior leaves beyond that buy almost nothing). - The raster map now overlays the adaptive mesh: boundaries of coarse leaves draw in darker copper (fine regions stay plain = fully resolved), with a legend entry. Uniform-grid runs are unchanged. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>