refactor(entities): rename notifyTileEntered → notifyTilePainted i escolta tile_painted

source/game/entities/entity.cpp

@@ -23,7 +23,7 @@ void Entity::onPlayerContact(Player* /*player*/) {
     // No-op per defecte.
 }
 
-void Entity::notifyTileEntered(int /*col*/, int /*row*/) {
+void Entity::notifyTilePainted(int /*col*/, int /*row*/) {
     // No-op per defecte; només `Sarcophagus` l'usa.
 }