refactor: UI 화면 통합 및 불필요한 파일 정리

- 모든 *_redesign.dart 파일을 기본 화면 파일로 통합
- 백업용 컨트롤러 파일들 제거 (*_controller.backup.dart)
- 사용하지 않는 예제 및 테스트 파일 제거
- Clean Architecture 적용 후 남은 정리 작업 완료
- 테스트 코드 정리 및 구조 개선 준비

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

lib/screens/equipment/equipment_out_form.dart

@@ -6,7 +6,7 @@ import 'package:superport/models/company_model.dart';
 import 'package:superport/models/company_branch_info.dart';
 import 'package:superport/models/address_model.dart';
 import 'package:superport/screens/common/custom_widgets.dart';
-import 'package:superport/screens/common/theme_tailwind.dart';
+import 'package:superport/screens/common/theme_shadcn.dart';
 import 'package:superport/screens/equipment/controllers/equipment_out_form_controller.dart';
 import 'package:superport/screens/equipment/widgets/equipment_summary_card.dart';
 import 'package:superport/screens/equipment/widgets/equipment_summary_row.dart';
@@ -421,7 +421,10 @@ class _EquipmentOutFormScreenState extends State<EquipmentOutFormScreen> {
                             : null,
                     style:
                         canSubmit
-                            ? AppThemeTailwind.primaryButtonStyle
+                            ? ElevatedButton.styleFrom(
+                              backgroundColor: ShadcnTheme.primary,
+                              foregroundColor: Colors.white,
+                            )
                             : ElevatedButton.styleFrom(
                               backgroundColor: Colors.grey.shade300,
                               foregroundColor: Colors.grey.shade700,
@@ -600,7 +603,7 @@ class _EquipmentOutFormScreenState extends State<EquipmentOutFormScreen> {
                                     company.contactName!.isNotEmpty)
                                   Text(
                                     '${company.contactName} ${company.contactPosition ?? ""} ${company.contactPhone ?? ""} ${company.contactEmail ?? ""}',
-                                    style: AppThemeTailwind.bodyStyle,
+                                    style: ShadcnTheme.bodyMedium,
                                   ),
                                 if (!companyInfo.isMainCompany &&
                                     branch != null &&
@@ -608,7 +611,7 @@ class _EquipmentOutFormScreenState extends State<EquipmentOutFormScreen> {
                                     branch.contactName!.isNotEmpty)
                                   Text(
                                     '${branch.contactName} ${branch.contactPosition ?? ""} ${branch.contactPhone ?? ""} ${branch.contactEmail ?? ""}',
-                                    style: AppThemeTailwind.bodyStyle,
+                                    style: ShadcnTheme.bodyMedium,
                                   ),
                                 const SizedBox(height: 8),
                                 // 담당자 목록에서 실제 담당자 정보만 표시하는 부분은 제거
@@ -686,7 +689,7 @@ class _EquipmentOutFormScreenState extends State<EquipmentOutFormScreen> {
               children: [
                 Text(
                   controller.formatDate(date),
-                  style: AppThemeTailwind.bodyStyle,
+                  style: ShadcnTheme.bodyMedium,
                 ),
                 const Icon(Icons.calendar_today, size: 20),
               ],
@@ -817,7 +820,7 @@ class _EquipmentOutFormScreenState extends State<EquipmentOutFormScreen> {
       userWidgets.add(
         Text(
           '정수진 사원 010-4567-8901 jung.soojin@lg.com',
-          style: AppThemeTailwind.bodyStyle,
+          style: ShadcnTheme.bodyMedium,
         ),
       );
     }