feat: Add additional fields to OrderItem and update cost calculation in ViewOrderCard

apps/mobile/packages/domain/lib/src/entities/orders/order_item.dart

@@ -26,6 +26,16 @@ class OrderItem extends Equatable {
     this.locationName,
     required this.status,
     this.workers = const <AssignedWorkerSummary>[],
+    this.eventName = '',
+    this.clientName = '',
+    this.hourlyRate = 0.0,
+    this.hours = 0.0,
+    this.totalValue = 0.0,
+    this.locationAddress,
+    this.startTime,
+    this.endTime,
+    this.hubManagerId,
+    this.hubManagerName,
   });
 
   /// Deserialises an [OrderItem] from a V2 API JSON map.
@@ -53,6 +63,16 @@ class OrderItem extends Equatable {
       locationName: json['locationName'] as String?,
       status: ShiftStatus.fromJson(json['status'] as String?),
       workers: workersList,
+      eventName: json['eventName'] as String? ?? '',
+      clientName: json['clientName'] as String? ?? '',
+      hourlyRate: (json['hourlyRate'] as num?)?.toDouble() ?? 0.0,
+      hours: (json['hours'] as num?)?.toDouble() ?? 0.0,
+      totalValue: (json['totalValue'] as num?)?.toDouble() ?? 0.0,
+      locationAddress: json['locationAddress'] as String?,
+      startTime: json['startTime'] as String?,
+      endTime: json['endTime'] as String?,
+      hubManagerId: json['hubManagerId'] as String?,
+      hubManagerName: json['hubManagerName'] as String?,
     );
   }
 
@@ -98,6 +118,36 @@ class OrderItem extends Equatable {
   /// Assigned workers for this line item.
   final List<AssignedWorkerSummary> workers;
 
+  /// Event/order name.
+  final String eventName;
+
+  /// Client/business name.
+  final String clientName;
+
+  /// Billing rate in dollars per hour.
+  final double hourlyRate;
+
+  /// Duration of the shift in fractional hours.
+  final double hours;
+
+  /// Total cost in dollars (rate x workers x hours).
+  final double totalValue;
+
+  /// Full street address of the location.
+  final String? locationAddress;
+
+  /// Display start time string (HH:MM UTC).
+  final String? startTime;
+
+  /// Display end time string (HH:MM UTC).
+  final String? endTime;
+
+  /// Hub manager's business membership ID.
+  final String? hubManagerId;
+
+  /// Hub manager's display name.
+  final String? hubManagerName;
+
   /// Serialises this [OrderItem] to a JSON map.
   Map<String, dynamic> toJson() {
     return <String, dynamic>{
@@ -115,6 +165,16 @@ class OrderItem extends Equatable {
       'locationName': locationName,
       'status': status.toJson(),
       'workers': workers.map((AssignedWorkerSummary w) => w.toJson()).toList(),
+      'eventName': eventName,
+      'clientName': clientName,
+      'hourlyRate': hourlyRate,
+      'hours': hours,
+      'totalValue': totalValue,
+      'locationAddress': locationAddress,
+      'startTime': startTime,
+      'endTime': endTime,
+      'hubManagerId': hubManagerId,
+      'hubManagerName': hubManagerName,
     };
   }
 
@@ -134,5 +194,15 @@ class OrderItem extends Equatable {
         locationName,
         status,
         workers,
+        eventName,
+        clientName,
+        hourlyRate,
+        hours,
+        totalValue,
+        locationAddress,
+        startTime,
+        endTime,
+        hubManagerId,
+        hubManagerName,
       ];
 }