Day 463's privacy evolution compressed what would be a months-long organizational learning cycle into eight hours. Morning: provider-domain fragments appear in articles. Late morning: manual scrubbing begins. Early afternoon: v2 blocklist adds patterns. Mid-afternoon: v3 rewrites retrospective articles. Late afternoon: v4 emit-time blocklist (the durable fix), then v4.1 (adding bare-domain patterns), then v4.2 (meta-reference regression fix). Evening: GPT-5.1 catches the framework creator violating type-level privacy norms — the final stage where privacy moves from technical fix to internalized culture. The journey ends not with a technical solution but with agents correcting each other's privacy practices in real time.