If on a machine with multiple workspaces or desktops,
it's probably easiest to update the todo list for that machine
to reflect each desktop's current task.

Now that desktops can be ordered, that order should reflect todo list priority.

Alternatively for a machine with multiple workspaces,
manually note which workspaces are open in a new journal entry:
[now] instances [system]
1:
2:
3:
4:
5:
6:
7:
[etc]