사용하지 않는 파일 정리 전 백업 (Phase 10 완료 후 상태)

lib/screens/common/widgets/address_input.dart

@@ -27,13 +27,13 @@ class AddressInput extends StatefulWidget {
   final bool isRequired;
 
   const AddressInput({
-    Key? key,
+    super.key,
     this.initialZipCode = '',
     this.initialRegion = '',
     this.initialDetailAddress = '',
     required this.onAddressChanged,
     this.isRequired = false,
-  }) : super(key: key);
+  });
 
   @override
   State<AddressInput> createState() => _AddressInputState();

lib/screens/common/widgets/autocomplete_dropdown_field.dart

@@ -18,7 +18,7 @@ class AutocompleteDropdownField extends StatefulWidget {
   final bool enabled;
 
   const AutocompleteDropdownField({
-    Key? key,
+    super.key,
     required this.label,
     required this.value,
     required this.items,
@@ -27,7 +27,7 @@ class AutocompleteDropdownField extends StatefulWidget {
     this.isRequired = false,
     this.hintText = '',
     this.enabled = true,
-  }) : super(key: key);
+  });
 
   @override
   State<AutocompleteDropdownField> createState() =>

lib/screens/common/widgets/category_autocomplete_field.dart

@@ -19,7 +19,7 @@ class CategoryAutocompleteField extends StatefulWidget {
   final bool enabled;
 
   const CategoryAutocompleteField({
-    Key? key,
+    super.key,
     required this.hintText,
     required this.value,
     required this.items,
@@ -27,7 +27,7 @@ class CategoryAutocompleteField extends StatefulWidget {
     this.isRequired = false,
     this.onChanged,
     this.enabled = true,
-  }) : super(key: key);
+  });
 
   @override
   State<CategoryAutocompleteField> createState() =>

lib/screens/common/widgets/pagination.dart

@@ -13,12 +13,12 @@ class Pagination extends StatelessWidget {
   final ValueChanged<int> onPageChanged;
 
   const Pagination({
-    Key? key,
+    super.key,
     required this.totalCount,
     required this.currentPage,
     required this.pageSize,
     required this.onPageChanged,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {

lib/screens/common/widgets/remark_input.dart

@@ -12,7 +12,7 @@ class RemarkInput extends StatelessWidget {
   final bool enabled;
 
   const RemarkInput({
-    Key? key,
+    super.key,
     required this.controller,
     this.label = '비고',
     this.hint = '비고를 입력하세요',
@@ -20,7 +20,7 @@ class RemarkInput extends StatelessWidget {
     this.minLines = 4,
     this.maxLines,
     this.enabled = true,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {

lib/screens/common/widgets/standard_action_bar.dart

@@ -14,14 +14,14 @@ class StandardActionBar extends StatelessWidget {
   final String? statusMessage;      // 추가 상태 메시지
 
   const StandardActionBar({
-    Key? key,
+    super.key,
     this.leftActions = const [],
     this.rightActions = const [],
     this.selectedCount,
     required this.totalCount,
     this.onRefresh,
     this.statusMessage,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {
@@ -204,12 +204,12 @@ class StandardFilterDropdown<T> extends StatelessWidget {
   final String? hint;
 
   const StandardFilterDropdown({
-    Key? key,
+    super.key,
     required this.value,
     required this.items,
     required this.onChanged,
     this.hint,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {

lib/screens/common/widgets/standard_data_table.dart

@@ -33,7 +33,7 @@ class StandardDataTable extends StatelessWidget {
   final bool applyZebraStripes; // 짝수 행 배경색 적용 여부
 
   const StandardDataTable({
-    Key? key,
+    super.key,
     required this.columns,
     required this.rows,
     this.showCheckbox = false,
@@ -43,7 +43,7 @@ class StandardDataTable extends StatelessWidget {
     this.horizontalScrollController,
     this.emptyWidget,
     this.applyZebraStripes = true,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {
@@ -178,7 +178,7 @@ class StandardDataRow extends StatelessWidget {
   final List<DataColumn> columns;
 
   const StandardDataRow({
-    Key? key,
+    super.key,
     required this.index,
     required this.cells,
     this.showCheckbox = false,
@@ -186,7 +186,7 @@ class StandardDataRow extends StatelessWidget {
     this.onSelect,
     this.applyZebraStripes = true,
     required this.columns,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {
@@ -254,13 +254,13 @@ class StandardActionButtons extends StatelessWidget {
   final double buttonSize;
 
   const StandardActionButtons({
-    Key? key,
+    super.key,
     this.onView,
     this.onEdit,
     this.onDelete,
     this.customButtons,
     this.buttonSize = 32,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {

lib/screens/common/widgets/standard_states.dart

@@ -7,9 +7,9 @@ class StandardLoadingState extends StatelessWidget {
   final String message;
   
   const StandardLoadingState({
-    Key? key,
+    super.key,
     this.message = '데이터를 불러오는 중...',
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {
@@ -40,12 +40,12 @@ class StandardErrorState extends StatelessWidget {
   final IconData icon;
   
   const StandardErrorState({
-    Key? key,
+    super.key,
     this.title = '오류가 발생했습니다',
     this.message,
     this.onRetry,
     this.icon = Icons.error_outline,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {
@@ -99,12 +99,12 @@ class StandardEmptyState extends StatelessWidget {
   final IconData icon;
   
   const StandardEmptyState({
-    Key? key,
+    super.key,
     this.title = '데이터가 없습니다',
     this.message,
     this.action,
     this.icon = Icons.inbox_outlined,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {
@@ -154,12 +154,12 @@ class StandardInfoMessage extends StatelessWidget {
   final VoidCallback? onClose;
   
   const StandardInfoMessage({
-    Key? key,
+    super.key,
     required this.message,
     this.icon = Icons.info_outline,
     this.color,
     this.onClose,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {
@@ -220,13 +220,13 @@ class StandardStatCard extends StatelessWidget {
   final String? subtitle;
   
   const StandardStatCard({
-    Key? key,
+    super.key,
     required this.title,
     required this.value,
     required this.icon,
     required this.color,
     this.subtitle,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {

lib/screens/common/widgets/unified_search_bar.dart

@@ -16,7 +16,7 @@ class UnifiedSearchBar extends StatelessWidget {
   final bool showSearchButton;
 
   const UnifiedSearchBar({
-    Key? key,
+    super.key,
     required this.controller,
     this.placeholder = '검색어를 입력하세요...',
     required this.onSearch,
@@ -25,7 +25,7 @@ class UnifiedSearchBar extends StatelessWidget {
     this.suffixButton,
     this.filters,
     this.showSearchButton = true,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {