ForcingDAS: Unified and Robust Data Assimilation via Diffusion Forcing. - Yixuan Jia; Siyi Chen; Yida Pan; Xiao Li; Lianghe Shi; Chanyong Jung; Haijie Yuan; Ismail Alkhouri; Yue Cynthia Wu; Saiprasad Ravishankar; Jeffrey A. Fessler; Qing Qu 001 (CoRR, 2026)