no longer price sort of frontend

components/parts/PartsBrowseClient.tsx

@@ -158,19 +158,34 @@ export default function PartsBrowseClient(props: {
 
         // optional server search + sort (backend can ignore for now)
         if (searchQuery.trim()) search.set("q", searchQuery.trim());
-        if (brandFilter.length) brandFilter.forEach((b) => search.append("brand", b));
+        if (brandFilter.length)
+          brandFilter.forEach((b) => search.append("brand", b));
 
         // sort mapping
+        // sort mapping (Spring-style: sort=field,dir)
         switch (sortBy) {
+          case "price-asc":
+            search.set("sort", "price,asc");
+            break;
+          case "price-desc":
+            search.set("sort", "price,desc");
+            break;
+          case "brand-asc":
+            search.set("sort", "brand,asc");
+            break;
           case "relevance":
           default:
+            // fallback (or whatever you consider "relevance")
             search.set("sort", "updatedAt,desc");
             break;
         }
 
-        const res = await fetch(`${API_BASE_URL}/api/v1/catalog/options?${search.toString()}`, {
+        const res = await fetch(
+          `${API_BASE_URL}/api/v1/catalog/options?${search.toString()}`,
+          {
             signal: controller.signal,
-        });
+          }
+        );
 
         if (!res.ok) throw new Error(`Failed to load products (${res.status})`);
 
@@ -209,7 +224,14 @@ export default function PartsBrowseClient(props: {
 
     fetchParts();
     return () => controller.abort();
-  }, [partRole, effectivePlatform, currentPage, searchQuery, sortBy, brandFilter]);
+  }, [
+    partRole,
+    effectivePlatform,
+    currentPage,
+    searchQuery,
+    sortBy,
+    brandFilter,
+  ]);
   // Reset pagination on filters
   useEffect(() => {
     setCurrentPage(1);

lib/catalog.ts

@@ -47,21 +47,23 @@ export function slugify(input: string) {
 export async function fetchProducts(params: {
   platform: string;
   partRole: string;
+  sort?: string; // ex: "price,asc"
 }) {
-  const { platform, partRole } = params;
+  const { platform, partRole, sort } = params;
 
-  const url =
-    `${API_BASE_URL}/api/v1/products?` +
-    new URLSearchParams({
+  const sp = new URLSearchParams({
     platform,
     partRoles: partRole,
   });
 
+  if (sort) sp.set("sort", sort);
+
+  const url = `${API_BASE_URL}/api/v1/products?${sp.toString()}`;
+
   const res = await fetch(url, { cache: "no-store" });
   if (!res.ok) throw new Error(`Failed to load products (${res.status})`);
   const data = (await res.json()) as ProductListItem[];
 
-  // Ensure each item has a "productSlug" of the form "{id}-{slugified-name}"
   return data.map((p) => ({
     ...p,
     productSlug: `${p.id}-${slugify(p.name)}`,