Merge #795: feat(desktop): keep the Mac awake while agents work, lid closed included

# Conflicts:
#	packages/desktop/README.md

docs/wiki/Installation.md

@@ -253,6 +253,15 @@ they work, blinks when one waits for you and flashes three times when one needs
 Each state can take another style under **View > Apple Logo Blink Styles**. It is off until
 you turn it on, and the menu only exists on such a Mac.
 
+**Codeman > Keep This Mac Awake** stops the Mac from going to sleep while your agents work
+on it (**While Agents Work**, plus 5 minutes after the last one stops), or for as long as
+the app is open (**Always**). It is off until you choose, only acts for a Codeman running
+on this Mac, needs no password, and ends when the app quits. On a MacBook it pauses on
+battery unless you untick **Only When Plugged In**, and **With the Lid Closed…** keeps a
+closed MacBook awake too: ticking it asks for your administrator password to install a
+small helper, unticking it asks again and removes the helper, and it never acts on
+battery.
+
 ### First launch
 
 1. Open `Codeman.dmg` and drag Codeman into Applications.