Implement a boundary for the player's home.

If the player builds a house but villagers keep entering and invading, this would be ideal: pressing shift + h would place a node. If 4 or more nodes are connected, that area is marked as "Home" is where villagers stop invading, pets prioritize staying there, and it could be a place for pets to gradually regenerate health, And if the player wants to delete a node, all they have to do is press Shift + D while pointing at a node, These nodes would open up the opportunity to have specific music for a "safe space" in the game, or home music.