You are not forced to deal with her if you can’t do it.
If it provokes you to feel bad, misunderstood or feel bad.
As much as someone can be our biological parent, it doesn’t mean they behave like that or know how to behave like that.

The fact that you noticed she was kind of jealousy of your relation with your dad, doesn’t put her under the best light.
She should be happy of your getting well with everyone and that every got well with you, especially, your progenitor.

Do you have siblings?