feat(auth): implement OAuth verification request and confirmation flow with error handling and UI updates

lib/features/auth/models/oauth_verification_confirm_request.dart

@@ -0,0 +1,27 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'oauth_verification_confirm_request.freezed.dart';
+part 'oauth_verification_confirm_request.g.dart';
+
+@freezed
+abstract class OAuthVerificationConfirmRequest with _$OAuthVerificationConfirmRequest {
+  const factory OAuthVerificationConfirmRequest({
+    @JsonKey(name: 'access_token') required String accessToken,
+    @JsonKey(name: 'refresh_token') required String refreshToken,
+    @JsonKey(name: 'client_id') required String clientId,
+    required String provider,
+    required String id,
+    String? email,
+    String? phone,
+    required String code,
+    @JsonKey(name: 'verification_type') required String verificationType,
+    @JsonKey(name: 'first_name') required String firstName,
+    @JsonKey(name: 'last_name') required String lastName,
+    @JsonKey(name: 'date_of_birth') required String dateOfBirth,
+    required String gender,
+    required int weight,
+    required int height,
+  }) = _OAuthVerificationConfirmRequest;
+
+  factory OAuthVerificationConfirmRequest.fromJson(Map<String, dynamic> json) => _$OAuthVerificationConfirmRequestFromJson(json);
+}

lib/features/auth/models/oauth_verification_confirm_response.dart

@@ -0,0 +1,18 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'oauth_verification_confirm_response.freezed.dart';
+part 'oauth_verification_confirm_response.g.dart';
+
+@freezed
+abstract class OAuthVerificationConfirmResponse with _$OAuthVerificationConfirmResponse {
+  const factory OAuthVerificationConfirmResponse({
+    required bool success,
+    required String message,
+    required String token,
+    required Map<String, dynamic> user,
+    @JsonKey(name: 'is_new_user') required bool isNewUser,
+  }) = _OAuthVerificationConfirmResponse;
+
+  factory OAuthVerificationConfirmResponse.fromJson(Map<String, dynamic> json) => _$OAuthVerificationConfirmResponseFromJson(json);
+}
+

lib/features/auth/models/oauth_verification_request.dart

@@ -0,0 +1,12 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'oauth_verification_request.freezed.dart';
+part 'oauth_verification_request.g.dart';
+
+@freezed
+abstract class OAuthVerificationRequest with _$OAuthVerificationRequest {
+  const factory OAuthVerificationRequest({String? email, String? phone}) = _OAuthVerificationRequest;
+
+  factory OAuthVerificationRequest.fromJson(Map<String, dynamic> json) => _$OAuthVerificationRequestFromJson(json);
+}
+

lib/features/auth/models/oauth_verification_request_response.dart

@@ -0,0 +1,12 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'oauth_verification_request_response.freezed.dart';
+part 'oauth_verification_request_response.g.dart';
+
+@freezed
+abstract class OAuthVerificationRequestResponse with _$OAuthVerificationRequestResponse {
+  const factory OAuthVerificationRequestResponse({required String email, required String status}) = _OAuthVerificationRequestResponse;
+
+  factory OAuthVerificationRequestResponse.fromJson(Map<String, dynamic> json) => _$OAuthVerificationRequestResponseFromJson(json);
+}
+