Settings.

Light keeps the orange and the acid, but the ring turns to ink — a two-pixel acid hairline simply disappears on paper.

A block ending in your pocket can only reach you as a sound. With the bed running, the chime gets through a locked screen.

On iOS the volume is the phone’s own — a web page is not allowed to set it.

The kit builds the programme rather than filtering it — take the bar away and it rebuilds, it does not get easier.

Sign in with your solvelabs.world account and the app knows who you are. Everything works without it.

Safari → Share → Add to Home Screen. It then opens full-screen with no browser chrome, and the sound keeps playing with the screen off.