How do you generate stories that match the respective level? I tried generating stories in Chinese (which I would say has a large learner base as well) and it n

How do you generate stories that match the respective level? I tried generating stories in Chinese (which I would say has a large learner base as well) and it never really worked except for something like A1/A2. Also, recognizing which level a story is did not work for me. Edit: And a second question: do you support exporting the studies vocabulary as Anki or csv/…?