Fix production TypeScript errors blocking dashboard build

Co-authored-by: Cursor <cursoragent@cursor.com>

types/business.ts

@@ -14,6 +14,8 @@ export interface MarketplaceBusiness {
   isFeatured: boolean;
   sortWeight: number;
   publishedAt: string | null;
+  createdAt?: string;
+  updatedAt?: string;
   /** Enriched client-side from Meshkee when available */
   name?: string;
   categoryName?: string;