🛠️ Early Access Update 0.5.3

The space store ran at about half the frame rate of the toy shop. It no longer does — the open hall roughly doubled, and nothing looks different.Two things were costing the frame, and neither was the stock on the floor. A check that decided whether you were pointing at something you had built was searching the whole shop every frame. And the rotunda hung two lamps over every department where one, placed between them, lights the aisle the same.Also: loading a Mass placement save no longer leaves thousands of invisible leftovers behind the scenes.