The Chinese legal system is grappling with a surge of artificial intelligence cases, but experts have warned that the lack of a unified legislative framework is hampering efforts to tackle the problem.In a recent landmark case, a court in the eastern city of Hangzhou ruled against a tech company that had fired one of its workers after he refused to accept a demotion and pay cut, with the company telling him he could be replaced by AI.The worker had been employed by a fintech firm to evaluate the accuracy of answers generated by AI models.AdvertisementThe court said replacing the worker,…