A merged child still holds its (parent_id, position) slot under the unique index, so skipping tombstones made every retry collide. Follow the tombstone to the surviving work instead. Co-Authored-By: Claude Opus 5.5 <[email protected]>
A merged child still holds its (parent_id, position) slot under the unique index, so skipping tombstones made every retry collide. Follow the tombstone to the surviving work instead. Co-Authored-By: Claude Opus 5.5 <[email protected]>