Standpoint 0.4.2

A cleaner positioning map, produced by running the Ralph Eyeball Loop on the map itself: render, look at the pixels, fix the source, repeat.

Changed

• The map drops its redundant colour legend. Every dot is already labelled in place, so a 12-row colour key beside the plot just repeated all the names and squeezed the chart. It is now hidden whenever every dot is labelled (the common case), and the map uses the whole canvas. It reappears only as a fallback when a crowded map forces a label to drop, so densely packed dots stay identifiable.
• The --check vision self-check now reports axis_labels_visible (are the four italic pole labels legible) instead of legend_visible, since the legend is now conditional. The four pole labels are always drawn.
• Every shipped example and landscape figure was regenerated. At temperature 0 the landscape top-vertical pole re-named from Comprehensive / Compréhensibilité to Completeness / Complétude; the LANDSCAPE.md and PAYSAGE.md prose was updated to match.

Full local gate green (ruff + format + 50 tests).