How can she miss you when you are oh so available?
To answer your earlier statement about other WAW being a real B and yours is cordial... Basically she is living her fantasy out just as she dreamt, she has you there when and if she needs, and casts you aside as she sees fit. They will start acting out when the LBS commits to DBing and starts putting themselves first letting the WAS spin and own the consequences of their decisions .... In short, stop playing according to her rules and begin playing to your own.
I would really look at the texting, I had issues with this and a wonderful vet gave me some guidelines Text about her/her day... No reply required or a short reply HOURS later, she fired you remember? And you are busy GALing Text about the kids... Reply in kind, "aw cute photo thanks for sharing" 30-60 minute Emergency about the kids... Immediate response If she claims emergency like the toaster is broken, she fired you... You are busy