feat: 결재·마스터 실연동 업데이트

test/features/masters/product/presentation/pages/product_page_test.dart

@@ -154,6 +154,33 @@ void main() {
       ).called(1);
     });
 
+    testWidgets('목록이 비어 있으면 안내 문구를 표시한다', (tester) async {
+      when(
+        () => productRepository.list(
+          page: any(named: 'page'),
+          pageSize: any(named: 'pageSize'),
+          query: any(named: 'query'),
+          vendorId: any(named: 'vendorId'),
+          uomId: any(named: 'uomId'),
+          isActive: any(named: 'isActive'),
+        ),
+      ).thenAnswer(
+        (_) async => PaginatedResult<Product>(
+          items: const [],
+          page: 1,
+          pageSize: 20,
+          total: 0,
+        ),
+      );
+
+      await tester.pumpWidget(
+        _buildApp(ProductPage(routeUri: Uri(path: '/masters/products'))),
+      );
+      await tester.pumpAndSettle();
+
+      expect(find.text('조건에 맞는 제품이 없습니다.'), findsOneWidget);
+    });
+
     testWidgets('폼 검증: 필수값 미입력 시 에러 메시지를 표시한다', (tester) async {
       when(
         () => productRepository.list(