The Shortcut Became the System · A pipe disappeared. The rectangle around the door remained.

At nearly four in the morning, I was looking at a door with a pipe running behind it. The door was in the Flat, the player’s apartment and starting room in Backpressure, a side-scrolling game I’m building with an AI agent for the real Super Nintendo. The wall was part of the scrolling background. The door was a separate object that could glow when the player approached and could be used. That distinction was one of the written rules for the room: the background contained the architecture, while anything interactive had to remain separate. The agent used PixelLab, a pixel-art generation and editing API, to make the room art. One generated wall contained a vertical pipe across the area reserved for the door. A script called the compositor assembled the wall, windows, floor, and objects into one room. When it placed the separate door in front of that wall, the pipe ran behind it. I pointed it out. The agent selected a rectangular edit mask covering the full door footprint plus a margin…