docs/messages.md matches the quota protocol (proof frames, quota acks, contact-email, upload 429 re-auth); docs/analytics.md notes the server-originated contact trail marker; AGENTS.md's tracking/messages bullets match.
docs/messages.md matches the quota protocol (proof frames, quota acks, contact-email, upload 429 re-auth); docs/analytics.md notes the server-originated contact trail marker; AGENTS.md's tracking/messages bullets match.