링크로 로그인하기 구현 완료

userfront/lib/core/services/auth_proxy_service.dart

@@ -41,17 +41,24 @@ class AuthProxyService {
     }
   }
 
-  static Future<Map<String, dynamic>> initEnchantedLink(String loginId, {String? method}) async {
+  static Future<Map<String, dynamic>> initEnchantedLink(
+    String loginId, {
+    String? method,
+    bool? codeOnly,
+  }) async {
     final url = Uri.parse('$_baseUrl/api/v1/auth/enchanted-link/init');
     final userfrontUrl = _envOrDefault('USERFRONT_URL', 'http://sso.hmac.kr');
     
-    final body = {
+    final body = <String, dynamic>{
       'loginId': loginId,
       'uri': userfrontUrl,
     };
     if (method != null) {
       body['method'] = method;
     }
+    if (codeOnly == true) {
+      body['codeOnly'] = true;
+    }
     
     final response = await http.post(
       url,