feat(shifts): enhance TodayShift and shift card components with client details and pay calculations

apps/mobile/packages/domain/lib/src/entities/shifts/today_shift.dart

@@ -17,6 +17,12 @@ class TodayShift extends Equatable {
     required this.startTime,
     required this.endTime,
     required this.attendanceStatus,
+    this.clientName = '',
+    this.hourlyRateCents = 0,
+    this.hourlyRate = 0.0,
+    this.totalRateCents = 0,
+    this.totalRate = 0.0,
+    this.locationAddress,
     this.clockInAt,
   });
 
@@ -30,6 +36,12 @@ class TodayShift extends Equatable {
       startTime: DateTime.parse(json['startTime'] as String),
       endTime: DateTime.parse(json['endTime'] as String),
       attendanceStatus: AttendanceStatusType.fromJson(json['attendanceStatus'] as String?),
+      clientName: json['clientName'] as String? ?? '',
+      hourlyRateCents: json['hourlyRateCents'] as int? ?? 0,
+      hourlyRate: (json['hourlyRate'] as num?)?.toDouble() ?? 0.0,
+      totalRateCents: json['totalRateCents'] as int? ?? 0,
+      totalRate: (json['totalRate'] as num?)?.toDouble() ?? 0.0,
+      locationAddress: json['locationAddress'] as String?,
       clockInAt: json['clockInAt'] != null
           ? DateTime.parse(json['clockInAt'] as String)
           : null,
@@ -48,6 +60,24 @@ class TodayShift extends Equatable {
   /// Human-readable location label (clock-point or shift location).
   final String location;
 
+  /// Name of the client / business for this shift.
+  final String clientName;
+
+  /// Pay rate in cents per hour.
+  final int hourlyRateCents;
+
+  /// Pay rate in dollars per hour.
+  final double hourlyRate;
+
+  /// Total pay for this shift in cents.
+  final int totalRateCents;
+
+  /// Total pay for this shift in dollars.
+  final double totalRate;
+
+  /// Full street address of the shift location, if available.
+  final String? locationAddress;
+
   /// Scheduled start time.
   final DateTime startTime;
 
@@ -67,6 +97,12 @@ class TodayShift extends Equatable {
       'shiftId': shiftId,
       'roleName': roleName,
       'location': location,
+      'clientName': clientName,
+      'hourlyRateCents': hourlyRateCents,
+      'hourlyRate': hourlyRate,
+      'totalRateCents': totalRateCents,
+      'totalRate': totalRate,
+      'locationAddress': locationAddress,
       'startTime': startTime.toIso8601String(),
       'endTime': endTime.toIso8601String(),
       'attendanceStatus': attendanceStatus.toJson(),
@@ -80,6 +116,12 @@ class TodayShift extends Equatable {
         shiftId,
         roleName,
         location,
+        clientName,
+        hourlyRateCents,
+        hourlyRate,
+        totalRateCents,
+        totalRate,
+        locationAddress,
         startTime,
         endTime,
         attendanceStatus,