The write-through row tombstoning that dependency edge was left untracked by the earlier re-scope commit. It matters on its own: the tracked July file CREATES the edge, and this August file is the only record that it was removed. Without it a `pql plan rebuild` replays July unopposed and T-1213 comes back blocked by a measurement that was retired as a gate. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>