yume-map-author

Fit-fit LEVEL/MAP authoring from a semantic top-down map image. Third sibling of yume-hud-author / yume-screen-author. Reads the per-game context from tools/visual_layout/wireframe_to_map.py preprocess (entity catalog with tags + asset_resolution anchor/zone hints + scatter_presets + world bounds + pixel→world coord transform) AND the map PNG via vision. Authors a level entities.json fragment where every…