Pattern-derived from D-115/D-101/D-124/D-120/D-131/D-125/D-126; contiguous
/22 carve divergence documented; apex confirm-free at authoring. G12 row
HELD -> OPEN with the [V] remainder named. Couplings same-commit (C1).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019aLU6j24tjquxgYQaAHgsV