Return response instead of data

Tests/OpenFoodFactsTests/OpenFoodFactsTests.swift

@@ -18,11 +18,13 @@ final class OpenFoodFactsTests: XCTestCase {
 
 	func testProductFetch() async throws {
 		// Fetch specific fields only
-		let product = try await client.product(
+		let response = try await client.product(
 			barcode: "3017620422003",  // Nutella
 			fields: [.code, .productName, .nutriscoreGrade, .nutriments]
 		)
 
+		let product = response.product
+
 		XCTAssertEqual(product?.code, "3017620422003")
 		XCTAssertNotNil(product?.productName)
 		XCTAssertNotNil(product?.nutriscoreGrade)
@@ -31,13 +33,15 @@ final class OpenFoodFactsTests: XCTestCase {
 	}
 
 	func testSearch() async throws {
-		let results = try await client.search(
+		let response = try await client.search(
 			.query("chocolate"),
 			.tag(tag: .brands, value: "milka"),
 			.pageSize(5),
 			.sort(.popularity),
 		)
 
+		let results = response.products ?? []
+
 		let jsonResults = try JSONEncoder().encode(results)
 		try jsonResults.write(to: .init(filePath: "./jsonResults.json"))