Merge pull request '/login -> /signin 변경' (#69) from dev/passwd-tab-signup into main

Reviewed-on: ai-team/baron-sso#69

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

@@ -22,7 +22,7 @@ class _ApproveQrScreenState extends State<ApproveQrScreen> {
     final session = Descope.sessionManager.session;
     if (session == null || session.refreshToken.isExpired) {
       setState(() => _message = "Please log in on your phone first.");
-      context.go('/login'); // Redirect to login
+      context.go('/signin'); // Redirect to login
       return;
     }
 
@@ -103,7 +103,7 @@ class _ApproveQrScreenState extends State<ApproveQrScreen> {
                 Padding(
                   padding: const EdgeInsets.only(top: 16),
                   child: TextButton(
-                    onPressed: () => context.go('/login'),
+                    onPressed: () => context.go('/signin'),
                     child: const Text("Login on this device first"),
                   ),
                 ),

frontend/lib/features/auth/presentation/reset_password_screen.dart

@@ -87,7 +87,7 @@ class _ResetPasswordScreenState extends State<ResetPasswordScreen> {
             backgroundColor: Colors.green,
           ),
         );
-        context.go('/login');
+        context.go('/signin');
       }
     } catch (e) {
       if (mounted) {

frontend/lib/features/auth/presentation/signup_screen.dart

@@ -257,7 +257,7 @@ class _SignupScreenState extends State<SignupScreen> {
       builder: (context) => AlertDialog(
         title: const Text('회원가입 완료'),
         content: const Text('성공적으로 가입되었습니다.'),
-        actions: [TextButton(onPressed: () => context.go('/login'), child: const Text('로그인하기'))],
+        actions: [TextButton(onPressed: () => context.go('/signin'), child: const Text('로그인하기'))],
       ),
     );
   }

frontend/lib/main.dart

@@ -92,9 +92,9 @@ final _router = GoRouter(
       ],
     ),
     GoRoute(
-      path: '/login', 
+      path: '/signin', 
       builder: (context, state) {
-        _routerLogger.info("Navigating to /login");
+        _routerLogger.info("Navigating to /signin");
         return const LoginScreen();
       }
     ),
@@ -159,7 +159,7 @@ final _router = GoRouter(
     final path = state.uri.path;
 
     // Public paths that don't require login
-    final isPublicPath = path == '/login' || 
+    final isPublicPath = path == '/signin' || 
                          path == '/signup' ||
                          path.startsWith('/verify/') || 
                          path == '/approve' ||
@@ -173,15 +173,15 @@ final _router = GoRouter(
       return null;
     }
 
-    // If not logged in and trying to access a protected page, redirect to /login
+    // If not logged in and trying to access a protected page, redirect to /signin
     if (!isLoggedIn) {
-      _routerLogger.info("Not logged in, redirecting to /login");
-      return '/login';
+      _routerLogger.info("Not logged in, redirecting to /signin");
+      return '/signin';
     }
 
     // If logged in and trying to access login page, redirect to root (dashboard)
     // This is now implicitly handled by the isPublicPath check, but kept for clarity.
-    // if (isLoggedIn && path == '/login') {
+    // if (isLoggedIn && path == '/signin') {
     //   _routerLogger.info("Logged in, redirecting to /");
     //   return '/';
     // }