링크로 로그인 수정

userfront/test/qr_scan_route_test.dart

@@ -0,0 +1,27 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:userfront/features/auth/presentation/qr_scan_route.dart';
+
+void main() {
+  group('buildQrApprovePath', () {
+    test('스캔 값을 trim/encode 해서 approve 경로를 만든다', () {
+      final result = buildQrApprovePath(
+        '  https://sss.hmac.kr/ql/abc-123?x=1&y=2  ',
+        localeCode: 'ko',
+      );
+
+      expect(
+        result,
+        '/ko/approve?ref=https%3A%2F%2Fsss.hmac.kr%2Fql%2Fabc-123%3Fx%3D1%26y%3D2',
+      );
+    });
+
+    test('현재 URI에서 locale을 추출한다', () {
+      final result = buildQrApprovePath(
+        'abc123',
+        currentUri: Uri.parse('https://sss.hmac.kr/en/dashboard'),
+      );
+
+      expect(result, '/en/approve?ref=abc123');
+    });
+  });
+}