MesaTask: Towards Task-Driven Tabletop Scene Generation via 3D Spatial Reasoning - Hao, Jinkun; Liang, Naifu; Luo, Zhen; XU, Xudong; Zhong, Weipeng; Yi, Ran; Jin, Yichen; Lyu, Zhaoyang; Zheng, Feng; Ma, Lizhuang; Pang, Jiangmiao (Advances in Neural Information Processing Systems, 2025)