Architecture of Tianyu Software: Relative Photometry as a Case Study. - Yicheng Rui; Yifan Xuan; Shuyue Zheng; Kexin Li; Kaiming Cui; Kai Xiao; Jie Zheng; Jun Kai Ng; Hongxuan Jiang; Fabo Feng; Qinghui Sun (CoRR, 2025)