extends Node
## Runtime entity registry + tile-related sim state.
##
## All gameplay entities (pawns, items, furniture, animals, corpses) live here.
## TileMap data is owned by the world-view scene; World holds the *indirect*
## state (designation queue, dirty-haul set, zone records, etc.) that doesn't
## belong on the TileMap itself.
##
## See docs/architecture.md.

# Phase 1 will add the entity registries (pawns, items, furniture).
# Phase 4 will add `items_needing_haul` (the dirty set).
# Phase 5 will add the BuildJob queue.
# Phase 13 will add zones / rooms / dirtiness.