결재 템플릿 단계 적용 구현

- ApprovalTemplate 엔티티·DTO·원격 리포지토리 추가
- ApprovalController에 템플릿 로딩/적용 상태와 assignSteps 호출 연동
- ApprovalPage 단계 탭에 템플릿 선택 UI 및 적용 확인 다이얼로그 구현
- 템플릿 적용 단위 테스트와 IMPLEMENTATION_TASKS 현황 갱신

assets/.env.development

@@ -1,12 +1,14 @@
 API_BASE_URL=http://localhost:8080
+TIMEOUT_MS=15000
+LOG_LEVEL=debug
 
 FEATURE_VENDORS_ENABLED=true
 FEATURE_PRODUCTS_ENABLED=true
 FEATURE_WAREHOUSES_ENABLED=true
 FEATURE_CUSTOMERS_ENABLED=true
 FEATURE_USERS_ENABLED=true
-FEATURE_GROUPS_ENABLED=false
-FEATURE_MENUS_ENABLED=false
-FEATURE_GROUP_PERMISSIONS_ENABLED=false
-FEATURE_APPROVALS_ENABLED=false
+FEATURE_GROUPS_ENABLED=true
+FEATURE_MENUS_ENABLED=true
+FEATURE_GROUP_PERMISSIONS_ENABLED=true
+FEATURE_APPROVALS_ENABLED=true
 FEATURE_ZIPCODE_SEARCH_ENABLED=false

assets/.env.production

@@ -0,0 +1,14 @@
+API_BASE_URL=https://api.superport.com
+TIMEOUT_MS=15000
+LOG_LEVEL=warning
+
+FEATURE_VENDORS_ENABLED=false
+FEATURE_PRODUCTS_ENABLED=false
+FEATURE_WAREHOUSES_ENABLED=false
+FEATURE_CUSTOMERS_ENABLED=false
+FEATURE_USERS_ENABLED=false
+FEATURE_GROUPS_ENABLED=false
+FEATURE_MENUS_ENABLED=false
+FEATURE_GROUP_PERMISSIONS_ENABLED=false
+FEATURE_APPROVALS_ENABLED=false
+FEATURE_ZIPCODE_SEARCH_ENABLED=false