0b0254a85d
ADR-011 decision 7 keys derivation on (namespace, identifier), which separates forks but not collisions inside one namespace. The ecosystem is at N1, a single implied namespace, and a 2026-08-21 fleet scan finds 20 reused identifiers across 48 files all inside it. So ADR-011 alone does not satisfy decision 2's uniqueness prerequisite. Ruled: C2 derives for live records only; archived records keep frozen minted identifiers. This reconciles Migration option 2 with the uniqueness derivation needs, and cuts the remediation surface from 48 files to 11. Records the two consequences that follow -- un-archiving is a collision hazard, and derivation is not retroactive -- and why treating a repository as the namespace was rejected. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> |
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