fix flag variable regression

review.html

@@ -271,6 +271,7 @@ function renderRef(sp) {
     return;
   }
   // revealed after ruling, with user-vs-Luna agreement flag
+  const youKeep = mine === 'DATA_MENTION', lunaKeep = sp.luna_label === 1;
   const n = cur().spans.findIndex(x => x.key === sp.key) + 1;
   const subj = `“${esc(sp.surface)}” (#${n})`;
   const flag = (youKeep === lunaKeep)