Using your computer: your screen, his own desk, his browser, his own computer

Pinchy can do things on a computer the way a person does: look at the screen, click, type, use apps and websites. He has four places to do that, and he picks the one that disturbs you least.

What to ask for

“Open Dolphin and rename every .txt file in my todo folder to .md.” He does it on his own desk and shows you the changes to keep.
“Fill in this form on the website for me.” He uses his own browser; your mouse stays yours.
“Click the blue button in the window I have open.” He uses your screen, because the thing is already there.
“Install this program and see if it works, but not on my system.” He uses his own small virtual computer.

The four places

His own browser: for anything on the web. It never touches your mouse and several jobs can browse at once.
His own desk: a second, hidden desktop where he uses your apps with his own mouse and keyboard. He can read your files there; your files only change when you press Keep, and the old versions go to the Trash first.
Your screen: your real mouse and keyboard, for something already open in front of you or when you ask for it.
His own computer: a small virtual machine (Alpine Linux) that starts only when needed and keeps its files between sessions. Good for risky installs and long jobs.

How it works

On your screen he looks once, then does as much as he safely can per step; every click comes back with a picture of the result.
A key he holds for smooth control is always let go on Stop, on pause, when you move the mouse, or after 30 seconds at most.
Anything that leaves the computer from his desk (an email sent, a form submitted, a purchase) cannot be undone, so opening an app there asks you first unless you allowed him to act without asking.

Settings

Settings → Computer → Computer use: let him use the mouse and keyboard without asking each time (off by default), rehearse without touching anything, fast screenshots, show him the screen after every action, keep a key held between steps.
Settings → Computer → Pinchy’s own desk: what his desk can and cannot do, and the Keep / Throw away review.
Settings → Computer → Pinchy’s computer: open it, memory, CPU cores, disk size, shut down after idle.
Settings → Pinchy → General: Pause Pinchy and the panic shortcut stop everything at once.

Limits

His own desk needs Linux with KDE Plasma 6 for now. It has no sound and cannot see or type into your screen.
His own computer will not start when your memory is too low (it needs its own memory plus 1.5 GB free).
He never types passwords for you. A command that needs admin rights shows a password dialog that only you answer.

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