Keyboard
- ?
- Open and close this sheet.
- Escape
- Stand down Flatten all's confirm, an open notification panel or this sheet, and an order's Confirm while it has focus. It never commits anything.
- Tab / Shift + Tab
- Move between controls. Every one of them shows a focus ring.
- Arrow keys
- Nudge a focused panel around the canvas. Hold Shift to move it further per press.
- Enter or Space
- Activate the control that is focused, and only that one. There is deliberately no key anywhere that sends an order on its own.