start_radar/stop_radar from the backend drive it, as before. nearby_objects
keeps the original's shape: map coordinates on the surface, landblock-local
raw positions with zero map coordinates in a dungeon, ids as signed ints, the
same eight object classes, no wielded items or self. dungeon_map is built the
original's way from the landblock's cells (x a multiple of 10, whole metres,
6-metre floors, rotation = the orientation's stored W) and sent once per
landblock per session; the cells come through a small reader that the
plugin API's dungeon-cell data will fill (until then the map is not sent).
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
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