What "real" means
Not a browser tab.
Not a mock-up.
"AI built a desktop" has been claimed before, and it has usually meant one of three things: a desktop metaphor drawn inside a web page; a convincing screenshot of something that was never logged into; or a from-scratch system that does boot, but only ever runs the handful of programs written for it.
One test separates them: does it run software it didn't write? That is a desktop's actual job — to host programs made by strangers, years apart, in toolkits it doesn't control, and keep them all on one screen without any of them knowing about each other. A system that only runs its own apps has skipped the hard part.
Starling is the session. It talks to DRM/KMS and owns the display. It reads the raw input devices. It is a Wayland compositor, and it hosts an X server for the apps that still need one. You pick it at the login screen, sign in, and it's your desktop until you log out — running Chrome, Slack and Zoom, none of which have ever heard of it.
The usual AI desktop Runs inside a browser tab
Windows are <div> s that can't hold a real program
s that can't hold a real program Or it boots — but runs only the apps written for it
Screenshots of a design that was never logged into Starling Drives the GPU through DRM/KMS, as the session
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