Records the T-7 -> T-317 merge on D-91's Relationship bullet (the
former Tier-5 canvas+graph epic folds into the unified canvas
epic; canvas pane T-322 + graph view T-323 consume the shared
renderer) and the D-91 index line. Plus the changelog for this
turn's board restructure: epic T-317, core engine T-318,
templates T-319/320/321, re-parented T-313/315/316, T-7 cancelled
as superseded, T-41 moved to T-276.
Governance + .pql/changelog only — leaves concurrent lib/ work
and CHANGELOG.md to the other worker on this branch.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
jpmschweitzerandClaude Opus 4.8
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