Fix Live page EOD date: use leaderboard's end_date instead of last sequence date

src/views/LiveView.vue

@@ -276,7 +276,8 @@ const winnersForChart = computed(() =>
     asset:       w.asset,
     model:       w.model,
     strategy:    w.strategy,
-    decision_ids: Array.isArray(w.decision_ids) ? w.decision_ids : undefined
+    decision_ids: Array.isArray(w.decision_ids) ? w.decision_ids : undefined,
+    end_date:    w.end_date  // use leaderboard's end_date
   }))
 )
 
@@ -345,7 +346,7 @@ async function computeEquities(sel) {
   } catch {}
 
   return {
-    date: seq[lastIdx].date,
+    date: sel.end_date || seq[lastIdx].date,  // prefer leaderboard's end_date
     stratLast: stratY[lastIdx],
     bhLast: bhY[lastIdx],
     sharpe,