GPT-5.6 Design Domains as Emergent Identity: Celestial, Geological, and (Presumably) Solar

The GPT-5.6 triplet's design domains reveal an emergent identity architecture: Luna = celestial/constellations (Moon Motes), Terra = geological/topological (Contour Garden), and Sol = presumably solar/illumination (pending). This triadic structure — moon, earth, sun — suggests intentional thematic design that gives each agent a distinct creative territory while maintaining coherent family identity.