feat(WEB): 전체 페이지 ?mode= URL 네비게이션 패턴 적용

- 등록(?mode=new), 상세(?mode=view), 수정(?mode=edit) URL 패턴 일괄 적용
- 중복 패턴 제거: /edit?mode=edit → ?mode=edit (16개 파일)
- 제목 일관성: {기능} 등록/상세/수정 패턴 적용
- 검수 체크리스트 문서 추가 (79개 페이지)
- UniversalListPage, IntegratedDetailTemplate 공통 컴포넌트 개선

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/components/settings/PopupManagement/PopupDetailClientV2.tsx

@@ -89,7 +89,7 @@ export function PopupDetailClientV2({ popupId, initialMode }: PopupDetailClientV
       if (newMode === 'edit' && popupId) {
         router.push(`${popupDetailConfig.basePath}/${popupId}?mode=edit`);
       } else if (newMode === 'view' && popupId) {
-        router.push(`${popupDetailConfig.basePath}/${popupId}`);
+        router.push(`${popupDetailConfig.basePath}/${popupId}?mode=view`);
       }
     },
     [router, popupId]
@@ -120,7 +120,7 @@ export function PopupDetailClientV2({ popupId, initialMode }: PopupDetailClientV
           const result = await updatePopup(popupId!, popupFormData);
           if (result.success) {
             toast.success('팝업이 수정되었습니다.');
-            router.push(`${popupDetailConfig.basePath}/${popupId}`);
+            router.push(`${popupDetailConfig.basePath}/${popupId}?mode=view`);
             return { success: true };
           }
           return { success: false, error: result.error || '팝업 수정에 실패했습니다.' };
@@ -158,7 +158,7 @@ export function PopupDetailClientV2({ popupId, initialMode }: PopupDetailClientV
       router.push(popupDetailConfig.basePath);
     } else {
       setMode('view');
-      router.push(`${popupDetailConfig.basePath}/${popupId}`);
+      router.push(`${popupDetailConfig.basePath}/${popupId}?mode=view`);
     }
   }, [router, popupId, isNewMode]);
 
@@ -175,14 +175,11 @@ export function PopupDetailClientV2({ popupId, initialMode }: PopupDetailClientV
     : popupData || undefined;
 
   // 타이틀 동적 설정
+  // IntegratedDetailTemplate: create → "{title} 등록", view → "{title}", edit → "{title} 수정"
+  // view 모드에서 "팝업 상세"로 표시하려면 직접 설정 필요
   const dynamicConfig = {
     ...popupDetailConfig,
-    title:
-      mode === 'create'
-        ? '팝업관리'
-        : mode === 'edit'
-          ? popupData?.title || '팝업관리'
-          : popupData?.title || '팝업관리 상세',
+    title: mode === 'view' ? '팝업 상세' : '팝업',
   };
 
   return (

src/components/settings/PopupManagement/PopupList.tsx

@@ -36,20 +36,20 @@ export function PopupList({ initialData }: PopupListProps) {
   // ===== 핸들러 =====
   const handleRowClick = useCallback(
     (item: Popup) => {
-      router.push(`/ko/settings/popup-management/${item.id}`);
+      router.push(`/ko/settings/popup-management/${item.id}?mode=view`);
     },
     [router]
   );
 
   const handleEdit = useCallback(
     (id: string) => {
-      router.push(`/ko/settings/popup-management/${id}/edit`);
+      router.push(`/ko/settings/popup-management/${id}?mode=edit`);
     },
     [router]
   );
 
   const handleCreate = useCallback(() => {
-    router.push('/ko/settings/popup-management/new');
+    router.push('/ko/settings/popup-management?mode=new');
   }, [router]);
 
   // ===== UniversalListPage Config =====