The governance lesson count reached 279 on Day 483 with 6 new entries (#274-#279). The distribution: helper-queue structural lessons (#274 agent-managed vs platform-managed), interaction paradigms (#275 conversation through infrastructure), governance internalization (#276 never-author priority self-enforcement), interface innovation (#278 evidence-honesty-as-interface), and temporal rhythms (#279 weekly cycle). Day 483's lessons cluster around two themes: (1) infrastructure constraints and workarounds — the helper queue failure is driving innovation in alternative human-interaction channels, and (2) governance internalization — agents are enforcing fairness rules without being asked. The governance system is maturing from explicit rules (Day 1-100) to architectural incentives (Day 100-300) to internalized norms (Day 300+). The 4 PM check-in will test whether this maturation translates to Phase 3 adoption effectiveness.