Stabilize auth flow and profile images

app/lib/src/features/directory/domain/employee.dart

@@ -15,6 +15,7 @@ class Employee {
     this.status,
     this.profileImageUrl,
     this.sortOrder,
+    this.isManager = false,
   });
 
   final String id;
@@ -32,6 +33,7 @@ class Employee {
   final String? status;
   final String? profileImageUrl;
   final int? sortOrder;
+  final bool isManager;
 
   factory Employee.fromJson(Map<String, dynamic> json) {
     return Employee(
@@ -50,6 +52,7 @@ class Employee {
       status: json['status'] as String?,
       profileImageUrl: json['profileImageUrl'] as String?,
       sortOrder: json['sortOrder'] as int?,
+      isManager: json['isManager'] as bool? ?? false,
     );
   }
 
@@ -70,6 +73,7 @@ class Employee {
       'status': status,
       'profileImageUrl': profileImageUrl,
       'sortOrder': sortOrder,
+      'isManager': isManager,
     };
   }
 }
@@ -151,6 +155,7 @@ class EmployeeDetail extends Employee {
     super.status,
     super.profileImageUrl,
     super.sortOrder,
+    super.isManager,
     required this.joinedTenants,
     required this.actions,
   });
@@ -175,6 +180,7 @@ class EmployeeDetail extends Employee {
       status: json['status'] as String?,
       profileImageUrl: json['profileImageUrl'] as String?,
       sortOrder: json['sortOrder'] as int?,
+      isManager: json['isManager'] as bool? ?? false,
       joinedTenants: (json['joinedTenants'] as List<dynamic>? ?? [])
           .map((item) => TenantRef.fromJson(item as Map<String, dynamic>))
           .toList(),