fix: Extract auctions array from getAuctions response

frontend/src/app/market/page.tsx

@@ -64,7 +64,8 @@ export default function MarketPage() {
           data = oppData.opportunities || []
           break
         default:
-          data = await api.getAuctions(undefined, undefined, undefined, undefined, undefined, false, sortBy, 50)
+          const auctionData = await api.getAuctions(undefined, undefined, undefined, undefined, undefined, false, sortBy, 50)
+          data = auctionData.auctions || []
       }
       setAuctions(data)
     } catch (error) {