Do not be at her beckon call. If you DO meet with her, reply with "This week is bad for me. I'll text (or email) you early next week and we can look at what day works for both of us. I really just wanted you to be aware about the mail. Ye"
ASSUMING that your knowledge of your resident/immigration status is true, then she's really just trying to bully you into getting scared and giving her what she wants financially. But I'm no expert on immigration law.
