대시보드와 주간보고 기능 업데이트

frontend/report/summary/index.vue

@@ -190,7 +190,7 @@
 import { ref, watch, onMounted } from 'vue'
 
 const { fetchCurrentUser } = useAuth()
-const { getCurrentWeekInfo } = useWeekCalc()
+const { getCurrentWeekInfo, getWeekDates } = useWeekCalc()
 const router = useRouter()
 
 const currentYear = new Date().getFullYear()
@@ -296,19 +296,8 @@ watch(showAggregateModal, (val) => {
 })
 
 function getWeekDateRange(year: number, week: number): string {
-  const jan4 = new Date(year, 0, 4)
-  const jan4Day = jan4.getDay() || 7
-  const week1Monday = new Date(jan4)
-  week1Monday.setDate(jan4.getDate() - jan4Day + 1)
-  
-  const monday = new Date(week1Monday)
-  monday.setDate(week1Monday.getDate() + (week - 1) * 7)
-  
-  const sunday = new Date(monday)
-  sunday.setDate(monday.getDate() + 6)
-  
-  const fmt = (d: Date) => `${d.getFullYear()}-${String(d.getMonth()+1).padStart(2,'0')}-${String(d.getDate()).padStart(2,'0')}`
-  return `${fmt(monday)}~${fmt(sunday)}`
+  const weekInfo = getWeekDates(year, week)
+  return `${weekInfo.startDateStr}~${weekInfo.endDateStr}`
 }
 
 function formatDate(dateStr: string) {