I remain skeptical that this is necessary — we already know the device can wake its screen up when a checkout is created, if the screen was turned off manually with a press of the power button.
I really think this behaviour is costing you money. Having the screen on all the time causes extra wear on the screen and the battery — it means the battery is going through a full discharge/charge cycle every day.
Out of eight Square Terminals we bought in October 2022, four have failed and been replaced by you under guarantee. Three failed with battery issues (ranging from “error message saying there’s a charging problem” to “completely dead”) and one had a screen failure. The failures started in September 2023, and the fourth happened just a couple of days ago.