Two of China’s major consumer-facing artificial intelligence apps, ByteDance’s Doubao and Alibaba Group Holding’s Qwen, are moving to disable customised agent features, as new rules on humanlike AI interaction services are set to take effect, part of Beijing’s push to build a broader regulatory framework for the fast-growing sector. Doubao informed users in a Friday night notice that its agent feature would go offline on July 15 because of “product function adjustments”. After October 15,...