An Unbiased Entire-Space Causal Framework for Click-Through Rate Estimation in Pre-Ranking. - Xuanlin Li 001; Xiangyu Cai; Hao Peng; Jia Duan; Wei Wang 103; Zehua Zhang 005; Changping Peng; Zhangang Lin; Ching Law; Jingping Shao (WWW (Companion Volume), 2025)