New code verification service

frontend/pshared/lib/api/responses/login_pending.dart

@@ -0,0 +1,26 @@
+import 'package:json_annotation/json_annotation.dart';
+
+import 'package:pshared/api/responses/account.dart';
+import 'package:pshared/api/responses/token.dart';
+
+part 'login_pending.g.dart';
+
+
+@JsonSerializable(explicitToJson: true)
+class PendingLoginResponse {
+  final AccountResponse account;
+  final TokenData pendingToken;
+  final String destination;
+  final int ttlSeconds;
+
+  const PendingLoginResponse({
+    required this.account,
+    required this.pendingToken,
+    required this.destination,
+    required this.ttlSeconds,
+  });
+
+  factory PendingLoginResponse.fromJson(Map<String, dynamic> json) => _$PendingLoginResponseFromJson(json);
+
+  Map<String, dynamic> toJson() => _$PendingLoginResponseToJson(this);
+}