connect with backend

lib/providers/dashboard_provider.dart

@@ -0,0 +1,39 @@
+import 'package:flutter/material.dart';
+import '../services/dashboard_service.dart';
+
+class DashboardProvider extends ChangeNotifier {
+  DashboardService? _service;
+
+  bool loading = false;
+
+  int activeOrders = 0;
+  int inTransitOrders = 0;
+  int deliveredOrders = 0;
+  String totalValue = "0";
+  double totalRaw = 0;
+
+  void init(BuildContext context) {
+    _service = DashboardService(context);
+  }
+
+  Future<void> loadSummary(BuildContext context) async {
+    loading = true;
+    notifyListeners();
+
+    _service ??= DashboardService(context);
+    final res = await _service!.getSummary();
+
+    if (res['status'] == true) {
+      final s = res['summary'];
+
+      activeOrders = s['active_orders'] ?? 0;
+      inTransitOrders = s['in_transit_orders'] ?? 0;
+      deliveredOrders = s['delivered_orders'] ?? 0;
+      totalValue = s['total_value']?.toString() ?? "0";
+      totalRaw = double.tryParse(s['total_raw'].toString()) ?? 0;
+    }
+
+    loading = false;
+    notifyListeners();
+  }
+}