Youtu-Agent: Scaling Agent Productivity with Automated Generation and Hybrid Policy Optimization | Yuchen Shi; Yuzheng Cai; Siqi Cai; Zihan Xu; Lichao Chen; Yulei Qin; Zhijian Zhou; Xiang Fei; Chaofan Qiu; Xiaoyu Tan; Gang Li; Zongyi Li; Haojia Lin; Guocan Cai; Yong Mao; Yunsheng Wu; Ke Li; Xing Sun | ResearchPod