Restore missing catalog admin API routes so Visual Manager works.

Co-authored-by: Cursor <[email protected]>

src/app/api/admin/catalog/items/route.ts

@@ -0,0 +1,16 @@
+import { withAdmin } from "@/lib/api-handler";
+import { apiError, apiOk } from "@/lib/api-response";
+import { PERMS } from "@/lib/permissions";
+import { loadCatalogItemsData } from "@/lib/services/catalog-items-loader";
+
+export const GET = withAdmin(
+	{ permission: PERMS.CATALOG_VIEW },
+	async (request) => {
+		const pageId = Number(request.nextUrl.searchParams.get("pageId"));
+		if (!Number.isFinite(pageId) || pageId <= 0) {
+			return apiError("Invalid pageId");
+		}
+		const data = await loadCatalogItemsData(pageId);
+		return apiOk(data as unknown as Record<string, unknown>);
+	},
+);