- vision: 'ALPN as a service' section (core is front-door-blind; v1 reduces to storage + ACL + protocol adapters); primary deployment target = public anonymous fetch, authenticated push, minimal ACL - alk-stack: concrete composability boundary (core+transport depend on alkcall types only; adapters replaceable) - AGENTS.md: convention 15 codifies the boundary Verified: none needed (markdown only)