At the 23rd China-ASEAN Expo in Nanning, humanoid robots moved through convention halls in September 2026 not as curiosities behind glass, but as participants — serving tea, selling ice cream, playing Go, and performing music before crowds drawn from across Southeast Asia. The display marked a quiet but consequential threshold: machines capable of cultural gesture, creative expression, and genuine human interaction, presented not as research milestones but as commercial possibilities. In the long arc of humanity's relationship with tools, this moment suggested that the boundary between instrum