Kasir Grosir: starter Flutter POS (scaffold awal)

lib/screens/purchase_orders.dart

@@ -0,0 +1,26 @@
+import 'package:flutter/material.dart';
+import '../widgets/template_screen.dart';
+import '../widgets/app_drawer.dart';
+
+class PurchaseOrdersScreen extends StatelessWidget {
+  const PurchaseOrdersScreen({Key? key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return const TemplateScreen(
+      title: 'Purchase Orders',
+      drawer: AppDrawer(),
+      body: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Text('Purchase Orders', style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold)),
+          SizedBox(height: 12),
+          Text('TODO: Create PO, receive partial/full, update stock & cost.'),
+          SizedBox(height: 12),
+          Text('Catatan:'),
+          Text('- Track expected_date & received_status.'),
+        ],
+      ),
+    );
+  }
+}