- CHANGELOG.md: detail every B0.1..B0.8 deliverable + spec deltas D-008 (ttp_version coexists), D-009 (audit hash chain v1), D-010 (no type_annotation_map on declarative base). - tasks/todo.md: tick every B0.x item. - tasks/spec-decisions.md: log D-008, D-009, D-010 alongside the pre-existing D-001..D-007.