VLA-OS: Structuring and Dissecting Planning Representations and Paradigms in Vision-Language-Action Models. - Chongkai Gao; Zixuan Liu 002; Zhenghao Chi; Junshan Huang; Xin Fei; Yiwen Hou; Yuxuan Zhang; Yudi Lin; Zhirui Fang; Zeyu Jiang; Lin Shao 002 (CoRR, 2025)