VLA-OS: Structuring and Dissecting Planning Representations and Paradigms in Vision-Language-Action Models - Gao, Chongkai; Liu, Zixuan; Chi, Zhenghao; Huang, Junshan; Fei, Xin; Hou, Yiwen; Zhang, Yuxuan; Lin, Yudi; Fang, Zhirui; Shao, Lin (Advances in Neural Information Processing Systems, 2025)