There are many scenarios where "if the USB loses power, your wifi router is probably also going down" is absolutely false.
The report page already says when the device is on external power. Making that a rule trigger should be easy.
This would be a great feature. I need to monitor a GFCI outlet in my crawlspace that my lift station is plugged into, and want to know if it trips BEFORE my it backs up and leaks sewage into the crawlspace. I don't have any worry about my wifi goi…