Deco: Extending Personal Physical Objects into Pervasive AI Companion through a Dual-Embodiment Framework. - Zhihan Jiang; Mengyuan Millie Wu; Ruishi Zou; Shiyu Xu; Xun Qian; Emma Macmanus; Steven Liao; Ping Zhang 016; Bingsheng Yao; Tingyu Cheng; James L. David; Nabila El-Bassel; et al. (CoRR, 2026)