Suggestions for Validator Toolbox
You can view pending and submit items to our issues board located on the validatortoolbox github repository.
We're going to start utilizing the full API to pull better stats data for option #1.
BLS Key management is complex and we're not sure if it can be coded in at this point without liability but we'll be proposing this as a project soon!
Create, Add, Remove, although we'll have to add a lot of annoying messages about backing them up to your home machine.
Investigating the use of an internal web server for private control of your node. Would need to be secured and protected but this is a possible feature we'll be adding down the road!