diff --git a/userfront/lib/features/auth/presentation/reset_password_screen.dart b/userfront/lib/features/auth/presentation/reset_password_screen.dart
index f2951e1c..53cbdd65 100644
--- a/userfront/lib/features/auth/presentation/reset_password_screen.dart
+++ b/userfront/lib/features/auth/presentation/reset_password_screen.dart
@@ -26,6 +26,18 @@ class _ResetPasswordScreenState extends State<ResetPasswordScreen> {
   Map<String, dynamic>? _policy;
   bool _isPolicyLoading = false;
 
+  String _renderTranslatedText(
+    String key, {
+    String? fallback,
+    Map<String, String> values = const {},
+  }) {
+    var text = tr(key, fallback: fallback);
+    values.forEach((name, value) {
+      text = text.replaceAll('{{$name}}', value).replaceAll('{$name}', value);
+    });
+    return text;
+  }
+
   @override
   void initState() {
     super.initState();
@@ -123,16 +135,16 @@ class _ResetPasswordScreenState extends State<ResetPasswordScreen> {
     final requiresSymbol = _policy?['nonAlphanumeric'] ?? true;
 
     final parts = <String>[
-      tr(
+      _renderTranslatedText(
         'msg.userfront.reset.policy.min_length',
-        params: {'count': '$minLength'},
+        values: {'count': '$minLength'},
       ),
     ];
     if (minTypes > 0) {
       parts.add(
-        tr(
+        _renderTranslatedText(
           'msg.userfront.reset.policy.min_types',
-          params: {'count': '$minTypes'},
+          values: {'count': '$minTypes'},
         ),
       );
     }
diff --git a/userfront/lib/features/auth/presentation/signup_screen.dart b/userfront/lib/features/auth/presentation/signup_screen.dart
index bde6317f..838e30c6 100644
--- a/userfront/lib/features/auth/presentation/signup_screen.dart
+++ b/userfront/lib/features/auth/presentation/signup_screen.dart
@@ -76,6 +76,18 @@ class _SignupScreenState extends State<SignupScreen> {
     'baroncs.co.kr': 'BARON',
   };
 
+  String _renderTranslatedText(
+    String key, {
+    String? fallback,
+    Map<String, String> values = const {},
+  }) {
+    var text = tr(key, fallback: fallback);
+    values.forEach((name, value) {
+      text = text.replaceAll('{{$name}}', value).replaceAll('{$name}', value);
+    });
+    return text;
+  }
+
   @override
   void initState() {
     super.initState();
@@ -1729,16 +1741,16 @@ class _SignupScreenState extends State<SignupScreen> {
     final requiresSymbol = _policy?['nonAlphanumeric'] ?? true;
 
     final parts = <String>[
-      tr(
+      _renderTranslatedText(
         'msg.userfront.signup.policy.min_length',
-        params: {'count': minLength.toString()},
+        values: {'count': minLength.toString()},
       ),
     ];
     if (minTypes > 0) {
       parts.add(
-        tr(
+        _renderTranslatedText(
           'msg.userfront.signup.policy.min_types',
-          params: {'count': minTypes.toString()},
+          values: {'count': minTypes.toString()},
         ),
       );
     }
@@ -1755,9 +1767,9 @@ class _SignupScreenState extends State<SignupScreen> {
       parts.add(tr('msg.userfront.signup.policy.symbol'));
     }
 
-    return tr(
+    return _renderTranslatedText(
       'msg.userfront.signup.policy.summary',
-      params: {'rules': parts.join(', ')},
+      values: {'rules': parts.join(', ')},
     );
   }
 
diff --git a/userfront/lib/features/dashboard/presentation/dashboard_screen.dart b/userfront/lib/features/dashboard/presentation/dashboard_screen.dart
index cbbbc9fa..fc93c46f 100644
--- a/userfront/lib/features/dashboard/presentation/dashboard_screen.dart
+++ b/userfront/lib/features/dashboard/presentation/dashboard_screen.dart
@@ -55,6 +55,18 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
   bool _showAllActivities = false;
   final Set<String> _revokedClientIds = {};
 
+  String _renderTranslatedText(
+    String key, {
+    String? fallback,
+    Map<String, String> values = const {},
+  }) {
+    var text = tr(key, fallback: fallback);
+    values.forEach((name, value) {
+      text = text.replaceAll('{{$name}}', value).replaceAll('{$name}', value);
+    });
+    return text;
+  }
+
   @override
   void initState() {
     super.initState();
@@ -700,10 +712,10 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
     final clientId = log.clientId;
     final tooltip = clientId.isEmpty
         ? tr('msg.userfront.dashboard.client_id_missing')
-        : tr(
+        : _renderTranslatedText(
             'msg.userfront.dashboard.client_id',
             fallback: 'Client ID: {{id}}',
-            params: {'id': clientId},
+            values: {'id': clientId},
           );
     final baseStyle = style ?? const TextStyle();
     final emphasisStyle = clientId.isEmpty
@@ -891,7 +903,11 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
       crossAxisAlignment: CrossAxisAlignment.start,
       children: [
         Text(
-          tr('msg.userfront.greeting', params: {'name': userName}),
+          _renderTranslatedText(
+            'msg.userfront.greeting',
+            fallback: 'Hello, {{name}}.',
+            values: {'name': userName},
+          ),
           style: const TextStyle(
             fontSize: 22,
             fontWeight: FontWeight.bold,
@@ -1122,18 +1138,18 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
             const SizedBox(height: 12),
             if (browserLabel.isNotEmpty)
               Text(
-                tr(
+                _renderTranslatedText(
                   'msg.userfront.dashboard.sessions.browser',
-                  params: {'value': browserLabel},
+                  values: {'value': browserLabel},
                 ),
                 style: TextStyle(fontSize: 13, color: Colors.grey[700]),
               ),
             if (osLabel.isNotEmpty) ...[
               const SizedBox(height: 4),
               Text(
-                tr(
+                _renderTranslatedText(
                   'msg.userfront.dashboard.sessions.os',
-                  params: {'value': osLabel},
+                  values: {'value': osLabel},
                 ),
                 style: TextStyle(fontSize: 13, color: Colors.grey[700]),
               ),
@@ -1142,18 +1158,20 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
           if (session.clientId.trim().isNotEmpty) ...[
             const SizedBox(height: 6),
             Text(
-              tr(
+              _renderTranslatedText(
                 'msg.userfront.dashboard.client_id',
-                params: {'id': session.clientId},
+                fallback: 'Client ID: {{id}}',
+                values: {'id': session.clientId},
               ),
               style: TextStyle(fontSize: 12, color: Colors.grey[600]),
             ),
           ],
           const SizedBox(height: 8),
           Text(
-            tr(
+            _renderTranslatedText(
               'msg.userfront.dashboard.sessions.session_id',
-              params: {'id': _compactSessionId(session.sessionId)},
+              fallback: 'Session ID: {{id}}',
+              values: {'id': _compactSessionId(session.sessionId)},
             ),
             style: TextStyle(fontSize: 12, color: Colors.grey[600]),
           ),
@@ -1956,10 +1974,10 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
                   ),
                   const SizedBox(height: 6),
                   _selectableText(
-                    tr(
+                    _renderTranslatedText(
                       'msg.userfront.audit.session_id',
                       fallback: 'Session ID: {{value}}',
-                      params: {
+                      values: {
                         'value': log.sessionId.isEmpty
                             ? tr('ui.common.hyphen', fallback: '-')
                             : log.sessionId,
diff --git a/userfront/lib/features/profile/presentation/pages/profile_page.dart b/userfront/lib/features/profile/presentation/pages/profile_page.dart
index 39987e19..9d25748a 100644
--- a/userfront/lib/features/profile/presentation/pages/profile_page.dart
+++ b/userfront/lib/features/profile/presentation/pages/profile_page.dart
@@ -57,6 +57,18 @@ class _ProfilePageState extends ConsumerState<ProfilePage> {
   Map<String, dynamic>? _passwordPolicy;
   bool _isPasswordPolicyLoading = false;
 
+  String _renderTranslatedText(
+    String key, {
+    String? fallback,
+    Map<String, String> values = const {},
+  }) {
+    var text = tr(key, fallback: fallback);
+    values.forEach((name, value) {
+      text = text.replaceAll('{{$name}}', value).replaceAll('{$name}', value);
+    });
+    return text;
+  }
+
   @override
   void initState() {
     super.initState();
@@ -98,16 +110,16 @@ class _ProfilePageState extends ConsumerState<ProfilePage> {
     final requiresSymbol = _passwordPolicy?['nonAlphanumeric'] ?? true;
 
     final parts = <String>[
-      tr(
+      _renderTranslatedText(
         'msg.userfront.signup.policy.min_length',
-        params: {'count': '$minLength'},
+        values: {'count': '$minLength'},
       ),
     ];
     if (minTypes > 0) {
       parts.add(
-        tr(
+        _renderTranslatedText(
           'msg.userfront.signup.policy.min_types',
-          params: {'count': '$minTypes'},
+          values: {'count': '$minTypes'},
         ),
       );
     }
@@ -124,9 +136,9 @@ class _ProfilePageState extends ConsumerState<ProfilePage> {
       parts.add(tr('msg.userfront.signup.policy.symbol'));
     }
 
-    return tr(
+    return _renderTranslatedText(
       'msg.userfront.signup.policy.summary',
-      params: {'rules': parts.join(", ")},
+      values: {'rules': parts.join(", ")},
     );
   }
 
@@ -688,7 +700,11 @@ class _ProfilePageState extends ConsumerState<ProfilePage> {
               crossAxisAlignment: CrossAxisAlignment.start,
               children: [
                 Text(
-                  tr('msg.userfront.profile.greeting', params: {'name': name}),
+                  _renderTranslatedText(
+                    'msg.userfront.profile.greeting',
+                    fallback: 'Hello, {{name}}.',
+                    values: {'name': name},
+                  ),
                   style: const TextStyle(
                     fontSize: 20,
                     fontWeight: FontWeight.w700,