CoAct-1: Computer-using Multi-agent System with Coding Actions - Song, Linxin; Dai, Yutong; Prabhu, Viraj; Zhang, Jieyu; Shi, Taiwei; Li, Li; Li, Junnan; savarese, silvio; Chen, Zeyuan; Zhao, Jieyu; Xu, Ran; Xiong, Caiming (International Conference on Learning Representations, 2026)