feat(search): implement paginated API fetching for large page sizes

- Removed upper limit on page_size validation to support requests >100
- Added automatic pagination logic to fetch from Open Food Facts API in chunks of 1000
- Accumulates products across multiple API pages until desired count is reached
- Updated error messages and product data fields for consistency

lib/openFoodFactsApi.ts

@@ -160,7 +160,7 @@ export async function fetchAllResults(
     let currentPage = 1;
     let hasMore = true;
     let totalCount = 0;
-    const pageSize = 50; // Usar tamanho máximo permitido pela API
+    const pageSize = 1000; // Usar tamanho máximo permitido pela API Open Food Facts
 
     console.log(`Iniciando busca completa para: "${query}"`);