Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: BigMichi1

src/bot/handlers/backfillHandler.ts

@@ -244,8 +244,8 @@ export async function backfillChannelHistory(
     const allCodesArr = [...allCodes];
     const redeemedSet = await codeManager.getRedeemedCodesFromList(allCodesArr);
     const codesToPend = allCodesArr.filter((c) => !redeemedSet.has(c));
-    const inserted = await codeManager.addNewPendingCodes(codesToPend);
-    stats.pendingCodes = inserted.length;
+    await codeManager.addNewPendingCodes(codesToPend);
+    stats.pendingCodes = codesToPend.length;
 
     onProgress?.(
       `✅ Backfill complete! Found: ${stats.codesFound}, Redeemed: ${stats.codesRedeemed}, Pending: ${stats.pendingCodes}`