diff --git a/frontend/src/features/detection/DarkVesselDetection.tsx b/frontend/src/features/detection/DarkVesselDetection.tsx
index 815779f..7d716c9 100644
--- a/frontend/src/features/detection/DarkVesselDetection.tsx
+++ b/frontend/src/features/detection/DarkVesselDetection.tsx
@@ -136,6 +136,17 @@ export function DarkVesselDetection() {
 
   useEffect(() => { loadData(); }, [loadData]);
 
+  // 30초 자동 갱신 (깜박임 없음 — loading 상태 변경 없이 데이터만 교체)
+  useEffect(() => {
+    const timer = setInterval(async () => {
+      try {
+        const res = await getDarkVessels({ hours: 1, size: 500 });
+        setRawData(res.content);
+      } catch { /* silent */ }
+    }, 30_000);
+    return () => clearInterval(timer);
+  }, []);
+
   const DATA: Suspect[] = useMemo(() => {
     let items = rawData.map((v, i) => mapToSuspect(v, i));
     if (tierFilter) {
diff --git a/frontend/src/features/enforcement/EventList.tsx b/frontend/src/features/enforcement/EventList.tsx
index 785a872..3aa1a4b 100644
--- a/frontend/src/features/enforcement/EventList.tsx
+++ b/frontend/src/features/enforcement/EventList.tsx
@@ -58,6 +58,7 @@ export function EventList() {
     loading,
     error,
     load,
+    silentRefresh,
     loadStats,
   } = useEventStore();
   const [actionLoading, setActionLoading] = useState<number | null>(null);
@@ -210,6 +211,16 @@ export function EventList() {
     fetchData();
   }, [fetchData]);
 
+  // 30초 자동 갱신 (깜박임 없음 — silentRefresh 사용)
+  useEffect(() => {
+    const params = levelFilter ? { level: levelFilter } : undefined;
+    const timer = setInterval(() => {
+      silentRefresh(params);
+      loadStats();
+    }, 30_000);
+    return () => clearInterval(timer);
+  }, [levelFilter, silentRefresh, loadStats]);
+
   // store events -> EventRow 변환 (rawEvents에서 numeric id 참조)
   const EVENTS: EventRow[] = storeEvents.map((e, idx) => ({
     id: e.id,
diff --git a/frontend/src/features/parent-inference/ParentReview.tsx b/frontend/src/features/parent-inference/ParentReview.tsx
index 72c73f5..b8df06c 100644
--- a/frontend/src/features/parent-inference/ParentReview.tsx
+++ b/frontend/src/features/parent-inference/ParentReview.tsx
@@ -9,6 +9,8 @@ import { useAuth } from '@/app/auth/AuthContext';
 import {
   fetchReviewList,
   reviewParent,
+  createLabelSession,
+  excludeForGroup,
   type ParentResolution,
 } from '@/services/parentInferenceApi';
 import { formatDateTime } from '@shared/utils/dateFormat';
@@ -70,6 +72,28 @@ export function ParentReview() {
         selectedParentMmsi: selectedMmsi || item.selectedParentMmsi || undefined,
         comment: `${action} via UI`,
       });
+
+      // CONFIRM → LabelSession 자동 생성 (학습 데이터 수집 시작)
+      if (action === 'CONFIRM') {
+        const mmsi = selectedMmsi || item.selectedParentMmsi;
+        if (mmsi) {
+          await createLabelSession(item.groupKey, item.subClusterId, {
+            labelParentMmsi: mmsi,
+          }).catch(() => { /* LabelSession 실패는 무시 — 리뷰 자체는 성공 */ });
+        }
+      }
+
+      // REJECT → Exclusion 자동 등록 (잘못된 후보 재추론 방지)
+      if (action === 'REJECT') {
+        const mmsi = item.selectedParentMmsi;
+        if (mmsi) {
+          await excludeForGroup(item.groupKey, item.subClusterId, {
+            excludedMmsi: mmsi,
+            reason: '운영자 거부',
+          }).catch(() => { /* Exclusion 실패는 무시 */ });
+        }
+      }
+
       await load();
     } catch (e: unknown) {
       const msg = e instanceof Error ? e.message : 'unknown';
diff --git a/frontend/src/lib/i18n/locales/en/common.json b/frontend/src/lib/i18n/locales/en/common.json
index f3dbc55..6685d58 100644
--- a/frontend/src/lib/i18n/locales/en/common.json
+++ b/frontend/src/lib/i18n/locales/en/common.json
@@ -132,6 +132,23 @@
     "INTERMITTENT": "Intermittent",
     "SPEED_ANOMALY": "Speed Anomaly"
   },
+  "darkTier": {
+    "CRITICAL": "Intentional Loss (Critical)",
+    "HIGH": "Suspicious Loss",
+    "WATCH": "Under Watch",
+    "NONE": "Normal"
+  },
+  "transshipTier": {
+    "CRITICAL": "Confirmed Transship",
+    "HIGH": "Suspected Transship",
+    "WATCH": "Under Watch"
+  },
+  "adminSubGroup": {
+    "aiPlatform": "AI Platform",
+    "systemOps": "System Operations",
+    "userMgmt": "User Management",
+    "auditSecurity": "Audit & Security"
+  },
   "userAccountStatus": {
     "ACTIVE": "Active",
     "PENDING": "Pending",
diff --git a/frontend/src/lib/i18n/locales/ko/common.json b/frontend/src/lib/i18n/locales/ko/common.json
index 9e68ca4..9539842 100644
--- a/frontend/src/lib/i18n/locales/ko/common.json
+++ b/frontend/src/lib/i18n/locales/ko/common.json
@@ -132,6 +132,23 @@
     "INTERMITTENT": "신호 간헐송출",
     "SPEED_ANOMALY": "속도 이상"
   },
+  "darkTier": {
+    "CRITICAL": "고의 소실 (위험)",
+    "HIGH": "의심 소실",
+    "WATCH": "관찰 대상",
+    "NONE": "정상"
+  },
+  "transshipTier": {
+    "CRITICAL": "환적 확실",
+    "HIGH": "환적 의심",
+    "WATCH": "관찰 대상"
+  },
+  "adminSubGroup": {
+    "aiPlatform": "AI 플랫폼",
+    "systemOps": "시스템 운영",
+    "userMgmt": "사용자 관리",
+    "auditSecurity": "감사·보안"
+  },
   "userAccountStatus": {
     "ACTIVE": "활성",
     "PENDING": "승인 대기",
diff --git a/frontend/src/stores/eventStore.ts b/frontend/src/stores/eventStore.ts
index 8c85589..206b2e0 100644
--- a/frontend/src/stores/eventStore.ts
+++ b/frontend/src/stores/eventStore.ts
@@ -29,6 +29,8 @@ interface EventStore {
   loaded: boolean;
   /** API 호출 */
   load: (params?: { level?: string; status?: string; category?: string; page?: number; size?: number }) => Promise<void>;
+  /** 화면 깜박임 없는 백그라운드 갱신 (loading 상태 변경 없음) */
+  silentRefresh: (params?: { level?: string; status?: string; category?: string; page?: number; size?: number }) => Promise<void>;
   loadStats: () => Promise<void>;
   filterByLevel: (level: string | null) => LegacyEventRecord[];
 }
@@ -68,6 +70,23 @@ export const useEventStore = create<EventStore>((set, get) => ({
     }
   },
 
+  silentRefresh: async (params) => {
+    try {
+      const res = await getEvents(params);
+      const legacy = res.content.map(toLegacyEvent);
+      set({
+        rawEvents: res.content,
+        events: legacy,
+        totalElements: res.totalElements,
+        totalPages: res.totalPages,
+        currentPage: res.number,
+        pageSize: res.size,
+      });
+    } catch {
+      // silent: 에러 무시 — 다음 갱신에서 재시도
+    }
+  },
+
   loadStats: async () => {
     try {
       const stats = await getEventStats();