replaced some console.errors with logger

backend/services/refundService.js

@@ -1,6 +1,7 @@
 const { Rental } = require("../models");
 const StripeService = require("./stripeService");
 const { isActive } = require("../utils/rentalStatus");
+const logger = require("../utils/logger");
 
 class RefundService {
   /**
@@ -161,13 +162,14 @@ class RefundService {
         stripeRefundId = refund.id;
         refundProcessedAt = new Date();
       } catch (error) {
-        console.error("Error processing Stripe refund:", error);
+        logger.error("Error processing Stripe refund", { error });
         throw new Error(`Failed to process refund: ${error.message}`);
       }
     } else if (refundCalculation.refundAmount > 0) {
       // Log warning if we should refund but don't have payment intent
-      console.warn(
-        `Refund amount calculated but no payment intent ID for rental ${rentalId}`
+      logger.warn(
+        "Refund amount calculated but no payment intent ID for rental",
+        { rentalId }
       );
     }