diff --git a/frontend/src/pages/relay/ProjectDetailPage.vue b/frontend/src/pages/relay/ProjectDetailPage.vue
index fba490a..a52203a 100644
--- a/frontend/src/pages/relay/ProjectDetailPage.vue
+++ b/frontend/src/pages/relay/ProjectDetailPage.vue
@@ -15,7 +15,8 @@ import EmptyState from '@/components/common/EmptyState.vue'
 import { useProjectStore } from '@/stores/project.store'
 import { useTaskStore } from '@/stores/task.store'
 import type { TaskListQuery, TaskSegment, TaskSort } from '@/types/task'
-import type { Project, TaskStatus } from '@/mock/relay.mock'
+import { taskStatusLabel } from '@/shared/utils/format'
+import type { Project } from '@/mock/relay.mock'
 
 const route = useRoute()
 const projectId = computed(() => String(route.params.projectId))
@@ -108,14 +109,7 @@ const isFiltered = computed(() => keyword.value.trim() !== '' || segment.value !
 // 지연 건수 — 현재 로드된 목록 기준(전역 정확 집계는 백엔드 미지원, 알려진 한계)
 const overdueCount = computed(() => tasks.value.filter((t) => t.overdue).length)
 
-// 업무 상태 → 배지 라벨
-const STATUS_LABEL: Record<TaskStatus, string> = {
-  prog: '진행 중',
-  review: '승인 대기',
-  todo: '대기',
-  done: '완료',
-  changes: '수정 요청',
-}
+// 업무 상태 → 배지 라벨은 공용 SSOT(taskStatusLabel) 사용
 </script>
 
 <template>
@@ -383,7 +377,7 @@ const STATUS_LABEL: Record<TaskStatus, string> = {
             <span
               class="st-badge"
               :class="task.status"
-            >{{ STATUS_LABEL[task.status] }}</span>
+            >{{ taskStatusLabel(task.status) }}</span>
             <span class="chev">
               <svg
                 viewBox="0 0 24 24"
diff --git a/frontend/src/shared/utils/format.ts b/frontend/src/shared/utils/format.ts
index e744e95..323c0d8 100644
--- a/frontend/src/shared/utils/format.ts
+++ b/frontend/src/shared/utils/format.ts
@@ -101,7 +101,7 @@ const WEEKDAYS_KO = ['일', '월', '화', '수', '목', '금', '토']
 
 /** 업무 상태 → 한국어 라벨 */
 const TASK_STATUS_LABEL: Record<TaskStatus, string> = {
-  todo: '할 일',
+  todo: '대기',
   prog: '진행 중',
   review: '승인 대기',
   done: '완료',