feat: 모든 페이지에서 최신순 정렬 적용

📅 Sorting Order Improvements:
- 모든 이슈 목록에서 최신 항목이 위로 오도록 정렬 순서 통일
- report_date 기준 내림차순(DESC) 정렬로 일관성 확보

🔧 Backend API Updates:
- GET /api/issues/: order_by(Issue.report_date.desc()) 추가
- GET /api/issues/admin/all: order_by(Issue.report_date.desc()) 추가
- GET /api/reports/issues: order_by(Issue.report_date.desc()) 변경

🎨 Frontend Sorting Updates:
- issues-inbox.html: created_at → report_date 기준 정렬
- issues-management.html: created_at → report_date 기준 정렬
- issues-archive.html: updated_at/created_at → report_date 기준 정렬
- 폐기함 'completed' 정렬: disposed_at 우선, 없으면 report_date 사용

📋 Consistency Improvements:
- 수신함, 관리함, 폐기함 모든 페이지에서 동일한 정렬 기준 적용
- 백엔드 API와 프론트엔드 정렬 로직 일치
- 사용자 경험 향상: 최신 이슈를 먼저 확인 가능

🚀 User Experience:
- 최신 부적합 사항을 즉시 확인 가능
- 시간순 정렬로 업무 우선순위 파악 용이
- 일관된 정렬 순서로 사용자 혼란 방지

Expected Result:
✅ 모든 이슈 목록에서 최신 항목이 맨 위에 표시
✅ 백엔드 API와 프론트엔드 정렬 로직 일치
✅ 수신함/관리함/폐기함 정렬 순서 통일
✅ 사용자가 최신 이슈를 우선적으로 확인 가능

backend/routers/issues.py

@@ -65,7 +65,8 @@ async def read_issues(
     if status:
         query = query.filter(Issue.status == status)
     
-    issues = query.offset(skip).limit(limit).all()
+    # 최신순 정렬 (report_date 기준)
+    issues = query.order_by(Issue.report_date.desc()).offset(skip).limit(limit).all()
     return issues
 
 @router.get("/admin/all", response_model=List[schemas.Issue])
@@ -93,7 +94,8 @@ async def read_all_issues_admin(
     if status:
         query = query.filter(Issue.status == status)
     
-    issues = query.offset(skip).limit(limit).all()
+    # 최신순 정렬 (report_date 기준)
+    issues = query.order_by(Issue.report_date.desc()).offset(skip).limit(limit).all()
     return issues
 
 @router.get("/{issue_id}", response_model=schemas.Issue)

backend/routers/reports.py

@@ -92,7 +92,7 @@ async def get_report_issues(
     if current_user.role == UserRole.user:
         query = query.filter(Issue.reporter_id == current_user.id)
     
-    issues = query.order_by(Issue.report_date).all()
+    issues = query.order_by(Issue.report_date.desc()).all()
     
     return [{
         "id": issue.id,

frontend/issues-archive.html

@@ -395,15 +395,15 @@
             filteredIssues.sort((a, b) => {
                 switch (sortOrder) {
                     case 'newest':
-                        return new Date(b.updated_at || b.created_at) - new Date(a.updated_at || a.created_at);
+                        return new Date(b.report_date) - new Date(a.report_date);
                     case 'oldest':
-                        return new Date(a.updated_at || a.created_at) - new Date(b.updated_at || b.created_at);
+                        return new Date(a.report_date) - new Date(b.report_date);
                     case 'completed':
-                        return new Date(b.updated_at || b.created_at) - new Date(a.updated_at || a.created_at);
+                        return new Date(b.disposed_at || b.report_date) - new Date(a.disposed_at || a.report_date);
                     case 'category':
                         return (a.category || '').localeCompare(b.category || '');
                     default:
-                        return new Date(b.updated_at || b.created_at) - new Date(a.updated_at || a.created_at);
+                        return new Date(b.report_date) - new Date(a.report_date);
                 }
             });
         }

frontend/issues-inbox.html

@@ -703,14 +703,14 @@
             filteredIssues.sort((a, b) => {
                 switch (sortOrder) {
                     case 'newest':
-                        return new Date(b.created_at) - new Date(a.created_at);
+                        return new Date(b.report_date) - new Date(a.report_date);
                     case 'oldest':
-                        return new Date(a.created_at) - new Date(b.created_at);
+                        return new Date(a.report_date) - new Date(b.report_date);
                     case 'priority':
                         const priorityOrder = { 'high': 3, 'medium': 2, 'low': 1 };
                         return (priorityOrder[b.priority] || 1) - (priorityOrder[a.priority] || 1);
                     default:
-                        return new Date(b.created_at) - new Date(a.created_at);
+                        return new Date(b.report_date) - new Date(a.report_date);
                 }
             });
         }

frontend/issues-management.html

@@ -406,14 +406,14 @@
                         const priorityOrder = { 'high': 3, 'medium': 2, 'low': 1 };
                         return (priorityOrder[b.priority] || 1) - (priorityOrder[a.priority] || 1);
                     case 'newest':
-                        return new Date(b.created_at) - new Date(a.created_at);
+                        return new Date(b.report_date) - new Date(a.report_date);
                     case 'oldest':
-                        return new Date(a.created_at) - new Date(b.created_at);
+                        return new Date(a.report_date) - new Date(b.report_date);
                     case 'status':
                         const statusOrder = { 'new': 4, 'processing': 3, 'pending': 2, 'completed': 1 };
                         return (statusOrder[b.status] || 0) - (statusOrder[a.status] || 0);
                     default:
-                        return new Date(b.created_at) - new Date(a.created_at);
+                        return new Date(b.report_date) - new Date(a.report_date);
                 }
             });
         }