린트 적용

userfront/lib/features/auth/presentation/approve_qr_screen.dart

@@ -134,13 +134,16 @@ class _ApproveQrScreenState extends State<ApproveQrScreen> {
                 style: TextStyle(color: Colors.grey.shade600),
               ),
               const SizedBox(height: 40),
-              
+
               if (_message != null)
                 Padding(
                   padding: const EdgeInsets.only(bottom: 20),
                   child: Text(
                     _message!,
-                    style: TextStyle(color: _success ? Colors.green : Colors.red, fontWeight: FontWeight.bold),
+                    style: TextStyle(
+                      color: _success ? Colors.green : Colors.red,
+                      fontWeight: FontWeight.bold,
+                    ),
                     textAlign: TextAlign.center,
                   ),
                 ),
@@ -155,7 +158,7 @@ class _ApproveQrScreenState extends State<ApproveQrScreen> {
                     backgroundColor: Colors.blue,
                   ),
                 ),
-              
+
               if (!isLoggedIn && !_success)
                 Padding(
                   padding: const EdgeInsets.only(top: 16),