Groomed, and a victim. The issue is how we deal with her now.
We can’t just revoke nationality. Do it for her, who else will we do it for when it suits?
She is a British citizen, British society and foreign policy led to her being groomed and the whole mess is for “us” to learn from.
She has suffered enough, no further punishment can be justified. Grant her citizenship, use her as an example of how badly these situations can turn out
The slightest hint of continued support for terrorism, she gets prosecuted in the UK under the relevant offences.