계정 정보 다이얼로그 추가 및 전체 목록 페치 개선

lib/features/masters/user/presentation/pages/user_page.dart

@@ -133,9 +133,10 @@ class _UserEnabledPageState extends State<_UserEnabledPage> {
     final error = _controller.errorMessage;
     if (error != null && error != _lastError && mounted) {
       _lastError = error;
-      ScaffoldMessenger.of(
-        context,
-      ).showSnackBar(SnackBar(content: Text(error)));
+      final messenger = ScaffoldMessenger.maybeOf(context);
+      if (messenger != null) {
+        messenger.showSnackBar(SnackBar(content: Text(error)));
+      }
       _controller.clearError();
     }
   }
@@ -162,7 +163,7 @@ class _UserEnabledPageState extends State<_UserEnabledPage> {
         final currentPage = result?.page ?? 1;
         final totalPages = result == null || result.pageSize == 0
             ? 1
-            : (result.total / result.pageSize).ceil().clamp(1, 9999);
+            : (result.total / result.pageSize).ceil().clamp(1, 9999) as int;
         final hasNext = result == null
             ? false
             : (result.page * result.pageSize) < result.total;
@@ -293,6 +294,14 @@ class _UserEnabledPageState extends State<_UserEnabledPage> {
                 ),
                 Row(
                   children: [
+                    ShadButton.outline(
+                      size: ShadButtonSize.sm,
+                      onPressed: _controller.isLoading || currentPage <= 1
+                          ? null
+                          : () => _controller.fetch(page: 1),
+                      child: const Text('처음'),
+                    ),
+                    const SizedBox(width: 8),
                     ShadButton.outline(
                       size: ShadButtonSize.sm,
                       onPressed: _controller.isLoading || currentPage <= 1
@@ -308,6 +317,15 @@ class _UserEnabledPageState extends State<_UserEnabledPage> {
                           : () => _controller.fetch(page: currentPage + 1),
                       child: const Text('다음'),
                     ),
+                    const SizedBox(width: 8),
+                    ShadButton.outline(
+                      size: ShadButtonSize.sm,
+                      onPressed:
+                          _controller.isLoading || currentPage >= totalPages
+                              ? null
+                              : () => _controller.fetch(page: totalPages),
+                      child: const Text('마지막'),
+                    ),
                   ],
                 ),
               ],
@@ -423,7 +441,10 @@ class _UserEnabledPageState extends State<_UserEnabledPage> {
                       }
 
                       saving.value = true;
-                      final navigator = Navigator.of(context);
+                      final navigator = Navigator.of(
+                        context,
+                        rootNavigator: true,
+                      );
                       final input = UserInput(
                         employeeNo: code,
                         employeeName: name,
@@ -454,7 +475,10 @@ class _UserEnabledPageState extends State<_UserEnabledPage> {
         secondaryAction: ValueListenableBuilder<bool>(
           valueListenable: saving,
           builder: (context, isSaving, _) {
-            final navigator = Navigator.of(context);
+            final navigator = Navigator.of(
+              context,
+              rootNavigator: true,
+            );
             return ShadButton.ghost(
               onPressed: isSaving ? null : () => navigator.pop(false),
               child: const Text('취소'),
@@ -666,11 +690,13 @@ class _UserEnabledPageState extends State<_UserEnabledPage> {
         description: '"${user.employeeName}" 사용자를 삭제하시겠습니까?',
         actions: [
           ShadButton.ghost(
-            onPressed: () => Navigator.of(context).pop(false),
+            onPressed: () =>
+                Navigator.of(context, rootNavigator: true).pop(false),
             child: const Text('취소'),
           ),
           ShadButton(
-            onPressed: () => Navigator.of(context).pop(true),
+            onPressed: () =>
+                Navigator.of(context, rootNavigator: true).pop(true),
             child: const Text('삭제'),
           ),
         ],
@@ -694,10 +720,14 @@ class _UserEnabledPageState extends State<_UserEnabledPage> {
   }
 
   void _showSnack(String message) {
-    if (!mounted) return;
-    ScaffoldMessenger.of(
-      context,
-    ).showSnackBar(SnackBar(content: Text(message)));
+    if (!mounted) {
+      return;
+    }
+    final messenger = ScaffoldMessenger.maybeOf(context);
+    if (messenger == null) {
+      return;
+    }
+    messenger.showSnackBar(SnackBar(content: Text(message)));
   }
 
   List<Widget> _buildAuditInfo(UserAccount user, ShadThemeData theme) {