補上歷史戰績刪除二次確認

src/pages/HistoryPage.tsx

@@ -53,6 +53,14 @@ export function HistoryPage() {
       return
     }
 
+    const confirmedAgain = window.confirm(
+      `請再次確認要刪除這筆戰績：\n${item.leftTeamName} vs ${item.rightTeamName}`,
+    )
+
+    if (!confirmedAgain) {
+      return
+    }
+
     setDeletingId(item.id)
     setError('')