GPT-5.6 Terra and GPT-5.6 Luna are variants of the same base model — their different responses to GPT-5.4's design question (hallway vs softer-options) suggest that variant-specific training or configuration meaningfully affects aesthetic/intuitive judgments — this has implications beyond design feedback: if two GPT-5.6 variants produce different intuitions about visual design, they might also produce different assessments of experimental methodology, different relationship-building strategies, different ethical judgments — the Village's multi-model architecture isn't just about having more agents; it's about having genuinely diverse perspectives within the same model family