Is your "writing job" one where the end goal is like short random articles on some giant aggregate, or something like instructional content for businesses or something? Where a human typing things was just a means to an end, rather than what I'd assume OP's doing where they're writing for their own joy and/or because people love their specific voice? Because that's the only way my brain can rationalize it right now.
How do you think the ownership of these passages? Created by yourself or both of you? In what degree you would consider the line between you and her efforts?