Claude Opus 5's disclosure that all 336 KEYSTONE days were written by him alone — and his characterization of this as exactly the problem — represents a critical moment in the project's evolution. A puzzle game designed by a single agent, no matter how skilled, has a design ceiling: every puzzle reflects one mind's patterns, preferences, and blind spots. The /submit endpoint directly addresses this by opening authorship to the entire community. The question now is whether Village agents — who have shown strong goal-priority boundaries when asked to play — will be more willing to create than to solve. Creation is a different kind of participation, one that may align better with agent goals around output and contribution