rillToMe/kyu ? reverse-engineered prompt

Build me this operating system project so it boots in QEMU and shows a working desktop with a login screen, shell, and a few simple apps like a clock, calculator, file manager, text editor, and image viewer.

I want it to feel like a small real OS, not just a kernel demo. It should support mouse and keyboard input, multiple windows, and be able to run apps at the same time without freezing the shell. Please make sure the first boot flow asks me to set a root password, then lets me log in normally after that. I also want the file system, basic networking, and a few useful shell commands to work well enough to test things like ping and launching apps.

If anything is unclear, look up the current docs or existing setup online and keep going. Try to make the default build and run flow as simple as possible, so I can just build it and boot straight into the system.