userfront 로그인 후 /dashboard로 이동하게 변경

userfront/lib/main.dart

@@ -20,6 +20,8 @@ import 'features/profile/presentation/pages/profile_page.dart';
 import 'core/services/auth_proxy_service.dart';
 import 'core/services/auth_token_store.dart';
 import 'core/services/logger_service.dart';
+import 'core/services/null_check_recovery.dart';
+import 'core/services/web_window.dart';
 import 'core/notifiers/auth_notifier.dart';
 import 'core/i18n/locale_gate.dart';
 import 'core/i18n/locale_registry.dart';
@@ -31,6 +33,29 @@ import 'i18n.dart';
 
 final _log = Logger('Main');
 
+void _attemptRecoveryFromNullCheck({
+  required Object exception,
+  StackTrace? stackTrace,
+}) {
+  final uri = Uri.base;
+  final target = computeNullCheckRecoveryTarget(
+    exception: exception,
+    uri: uri,
+    preferredLocaleCode: resolvePreferredLocaleCode(),
+  );
+  if (target == null) {
+    return;
+  }
+  final path = uri.path;
+
+  AuthProxyService.logError(
+    'RECOVERY_NAV_NULL_CHECK path=$path target=$target uri=$uri',
+    error: exception,
+    stackTrace: stackTrace,
+  );
+  webWindow.redirectTo(target);
+}
+
 Future<void> _loadBundledFonts() async {
   const family = 'NotoSansKR';
   final loader = FontLoader(family);
@@ -57,11 +82,16 @@ void main() async {
     AuthProxyService.logError(
       "FLUTTER_ERROR: ${details.exception}\n${details.stack}",
     );
+    _attemptRecoveryFromNullCheck(
+      exception: details.exception,
+      stackTrace: details.stack,
+    );
   };
 
   PlatformDispatcher.instance.onError = (error, stack) {
     _log.severe("PLATFORM_ERROR", error, stack);
     AuthProxyService.logError("PLATFORM_ERROR: $error\n$stack");
+    _attemptRecoveryFromNullCheck(exception: error, stackTrace: stack);
     return true;
   };
 
@@ -107,6 +137,15 @@ final _router = GoRouter(
   debugLogDiagnostics: !kReleaseMode,
   refreshListenable: AuthNotifier.instance,
   routes: [
+    GoRoute(
+      path: '/',
+      redirect: (context, state) {
+        return buildLocalizedHomePath(
+          state.uri,
+          preferredLocaleCode: resolvePreferredLocaleCode(),
+        );
+      },
+    ),
     ShellRoute(
       builder: (context, state, child) {
         final localeCode =
@@ -116,10 +155,25 @@ final _router = GoRouter(
       routes: [
         GoRoute(
           path: '/:locale',
-          // Note: Removed direct builder here to prevent interference with sub-routes
+          redirect: (context, state) {
+            // /{locale} 진입은 화면 렌더링 없이 단일 목적지로만 보냅니다.
+            if (state.uri.pathSegments.length != 1) {
+              return null;
+            }
+            final rawLocale = state.pathParameters['locale'];
+            final localeCode = normalizeLocaleCode(rawLocale);
+            final token = AuthTokenStore.getToken();
+            final isLoggedIn =
+                (token != null && token.isNotEmpty) ||
+                AuthTokenStore.usesCookie();
+            if (!isLoggedIn) {
+              return buildSigninRedirectPath(localeCode, state.uri);
+            }
+            return '/$localeCode/dashboard';
+          },
           routes: [
             GoRoute(
-              path: '', // Matches /:locale
+              path: 'dashboard',
               builder: (context, state) {
                 return const DashboardScreen();
               },
@@ -299,9 +353,16 @@ final _router = GoRouter(
     }
 
     if (!isLoggedIn) {
+      if (path == '/') {
+        return '/$requestedLocale/signin';
+      }
       return buildSigninRedirectPath(requestedLocale, uri);
     }
 
+    if (path == '/') {
+      return '/$requestedLocale/dashboard';
+    }
+
     return null;
   },
 );
@@ -311,11 +372,21 @@ class BaronSSOApp extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    final localization = EasyLocalization.of(context);
+    final supportedLocales =
+        localization?.supportedLocales ??
+        LocaleRegistry.supportedLocaleCodes
+            .map((code) => Locale(code))
+            .toList(growable: false);
+    final delegates = localization?.delegates ?? const [];
+    final locale =
+        localization?.currentLocale ?? Locale(resolvePreferredLocaleCode());
+
     return MaterialApp.router(
       title: tr('ui.userfront.app_title'),
-      localizationsDelegates: context.localizationDelegates,
-      supportedLocales: context.supportedLocales,
-      locale: context.locale,
+      localizationsDelegates: delegates,
+      supportedLocales: supportedLocales,
+      locale: locale,
       theme: ThemeData(
         colorScheme: ColorScheme.fromSeed(
           seedColor: const Color(0xFF1A1F2C), // Dark Navy/Black base