1. Notification PM by banchobot or a message visible to you only in #announce. or the new #userlog p/20757114. Popup totification in the bottom right corner of the screen (just like when you recieve a pm)
2. Another field below the offline users field in settings that shows users which have you added.
3. on the users profile page display (has added you) above the become friends button. t/99627/
Definitely support this, but only if you can turn it off (otherwise it will be cancer for famous players)