the cleanup

components/parts/PartsBrowseClient.tsx

@@ -59,7 +59,7 @@ type GunbuilderProductFromApi = {
 };
 
 const API_BASE_URL =
-  process.env.NEXT_PUBLIC_API_BASE_URL ?? "http://localhost:8080";
+  process.env.NEXT_PUBLIC_API_BASE_URL ?? "";
 
 const PAGE_SIZE = 24;
 

components/parts/PartsListPageClient.tsx

@@ -5,7 +5,7 @@ import Link from "next/link";
 import PlatformSwitcher from "./PlatformSwitcher";
 import Image from "next/image";
 
-const API_BASE_URL = process.env.NEXT_PUBLIC_API_BASE_URL ?? "http://localhost:8080";
+const API_BASE_URL = process.env.NEXT_PUBLIC_API_BASE_URL ?? "";
 
 type ProductListDto = {
   id: string;          // your API returns strings sometimes; keep it flexible

components/parts/ProductDetailPageClient.tsx

@@ -4,7 +4,7 @@ import { useEffect, useMemo, useState } from "react";
 import Link from "next/link";
 import PlatformSwitcher from "./PlatformSwitcher";
 
-const API_BASE_URL = process.env.NEXT_PUBLIC_API_BASE_URL ?? "http://localhost:8080";
+const API_BASE_URL = process.env.NEXT_PUBLIC_API_BASE_URL ?? "";
 
 type ProductDetailDto = {
   id: string;