[caffleine]

There's a "Who can send you notifications?" section on the settings page which allows you to configure who can send you notifications that trigger the red alert.

[acdha]

This does not actually work for being added to circles.

[nailer]

Try this instead: https://github.com/mikemaccana/japanese_mayonnaise

[acdha]

I'm becoming increasingly strict avoiding things like that: if Google doesn't care about wasting my attention, why help them by using their service?