wundress, good news for you both that things have gotten to this stage. The crisis planning and identifying each other's triggers sounds like you are both really focused on improving the relationship this time round. What you are already doing with your counsellor is a great start to noticing the early warning signs of dysregulation.
I'm going to give you the link to communication tools,
https://bpdfamily.com/message_board/index.php?topic=69272.0You know, we all know that good effective communication is the key to maintaining and often circumventing dysregulations.
Perhaps you could bring your plan here and look at ways of enhancing or adding to what you have already done.
Let us know how things are going.