And I feel horrible for the fact that I tend to forget this. Admittedly, she's basically a secondary character until she gets her own book, but... what she can and does do... she is a frightening woman.
Kudos to Stross for actually plotting out what she does even when the primary narrative is "shit Bob gets into" - and for the emotional trauma of what they do hitting both of them, not defaulted to just the female character.