Artist.the

Just west side of double wooden door can be locked with the key and the east side can't, even if you built that door with 2 knobs that you have key for. Because of that bug smart zeds can easily open that door.

Fast forwarding game with x2 or x3 speed (F5-F6) while standing still in small room decrease character's panic from 100 to 0 and allows you to go to sleep in this room. Also, there is no panic gain in player's created house of any size.