fix: 캘린더 모달 중복 카드 문제 및 삭제 권한 개선

- monthly_worker_status 조회 시 GROUP BY로 중복 데이터 합산
- 작업보고서 삭제 권한을 그룹장 이상으로 제한 (admin, system, group_leader)
- 중복 데이터 정리를 위한 마이그레이션 SQL 추가 (009_fix_duplicate_monthly_status.sql)
- synology_deployment 버전에도 동일 수정 적용

web-ui/css/work-management.css

@@ -497,3 +497,116 @@ body {
     padding: 1rem;
   }
 }
+
+/* ========== 빠른 액세스 섹션 ========== */
+.quick-access-section {
+  margin-bottom: 3rem;
+}
+
+.section-title {
+  font-size: 1.5rem;
+  font-weight: 700;
+  color: #1f2937;
+  margin-bottom: 1.5rem;
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+}
+
+.quick-actions-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
+  gap: 1rem;
+  max-width: 800px;
+}
+
+.quick-action-btn {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 0.75rem;
+  padding: 1.5rem 1rem;
+  background: rgba(255, 255, 255, 0.95);
+  border: 2px solid rgba(59, 130, 246, 0.1);
+  border-radius: 12px;
+  cursor: pointer;
+  transition: all 0.3s ease;
+  text-decoration: none;
+  color: inherit;
+  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
+  backdrop-filter: blur(10px);
+  min-height: 120px;
+  justify-content: center;
+}
+
+.quick-action-btn:hover {
+  transform: translateY(-2px);
+  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.15);
+  border-color: rgba(59, 130, 246, 0.3);
+  background: rgba(255, 255, 255, 1);
+}
+
+.quick-icon {
+  font-size: 2rem;
+  line-height: 1;
+}
+
+.quick-text {
+  font-size: 0.875rem;
+  font-weight: 600;
+  color: #374151;
+  text-align: center;
+  white-space: nowrap;
+}
+
+/* ========== 관리 섹션 ========== */
+.management-section {
+  margin-bottom: 3rem;
+}
+
+/* ========== 시스템 상태 섹션 ========== */
+.system-status-section {
+  margin-bottom: 3rem;
+}
+
+.status-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
+  gap: 1rem;
+  margin-top: 1.5rem;
+}
+
+.status-card {
+  display: flex;
+  align-items: center;
+  gap: 1rem;
+  padding: 1.5rem;
+  background: rgba(255, 255, 255, 0.95);
+  border-radius: 12px;
+  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
+  backdrop-filter: blur(10px);
+  border: 1px solid rgba(255, 255, 255, 0.2);
+}
+
+.status-icon {
+  font-size: 2rem;
+  line-height: 1;
+}
+
+.status-info {
+  display: flex;
+  flex-direction: column;
+  gap: 0.25rem;
+}
+
+.status-label {
+  font-size: 0.875rem;
+  color: #6b7280;
+  font-weight: 500;
+}
+
+.status-value {
+  font-size: 1.5rem;
+  font-weight: 700;
+  color: #1f2937;
+}