I've modified the script to a V3. This fixes duplicate notifications, it turning off after manual on, and the init copy/paste hell, and logs the reasons, and more.
I do not use a dummy switch, but I tried to keep that option in (but it has not been proven yet)

This version can be found on my GihHub ...

Random notes and thought process, TLDR below!
I just bought 3 'WR01ZE' modules, they have still reported some weird values

Day one 21474837,56 kWh (~1,120kWh expected, ~40+160+200+160+160+200+200)
Day two 21474838,4 kWh (~1.96kWh expected, ~40+120+200+160+200+120+??)

The reported values in ...