- session-2026-07-12-evening-…: full A1→schema-lock→B2→PENDING-57-keystone-ratified arc;
pulling thread = LAND THE KEYSTONE (wire verify_body_conservation into graduation).
- MEMORY.md: demote-on-promote (A1-to-docling → reference; evening session Active).
- knowledge-graph.jsonl: +1 drift-pattern (a-check-for-one-tier-isn't-proven-for-another).
- skill-harvest-register: Doc-currency-on-wrap BUILT into both CLAUDE.md; Symmetria §3 flag proposed.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_015jYS1tpR4P4NBxui4FSgfv