From Observability Data to Diagnosis: An Evolving Multi-agent System for Incident Management in Cloud Systems. - Yu Luo; Jiamin Jiang; Jingfei Feng; Lei Tao; Qingliang Zhang; Xidao Wen; Yongqian Sun; Shenglin Zhang; Jielong Huang; Nan Qi; Dan Pei (CoRR, 2025)