diff --git a/src/frontend/src/composables/useSystemSettings.ts b/src/frontend/src/composables/useSystemSettings.ts
new file mode 100644
index 00000000..d21dce46
--- /dev/null
+++ b/src/frontend/src/composables/useSystemSettings.ts
@@ -0,0 +1,182 @@
+// useSystemSettings.ts
+import { ref, computed, onMounted } from 'vue'
+
+export interface AuditLog {
+  timestamp: string;
+  user: string;
+  change: string;
+}
+
+export interface SettingItem {
+  id: number;
+  setting_key: string;
+  category: string;
+  domain: 'OMS' | 'WMS' | 'ERP';
+  setting_value: string;
+  status: 'ACTIVE' | 'WARNING' | 'BLOCKED';
+  updated_at: string;
+  note: string;
+  lock_version: number;
+  maker_checker: 'APPROVED' | 'PENDING' | 'REJECTED';
+  attachments?: string[];
+  audit_history?: AuditLog[];
+}
+
+export function useSystemSettings() {
+  const activeDomain = ref<'ALL' | 'OMS' | 'WMS' | 'ERP'>('ALL');
+  const searchKeyword = ref('');
+  const activeCategoryTab = ref('ALL');
+  const lastDraftSavedTime = ref<string | null>(null);
+
+  const isOmsModalOpen = ref(false);
+  const isWmsModalOpen = ref(false);
+  const isErpModalOpen = ref(false);
+  const isModalOpen = ref(false);
+  const isGuideModalOpen = ref(false);
+  const isEditMode = ref(false);
+
+  const masterPanelWidth = ref(60);
+  const isDraggingSplitter = ref(false);
+
+  const pingMs = ref(4);
+  const isBatchRunning = ref(false);
+  const batchProgress = ref(0);
+  const dbConnections = ref(4);
+  const aiRecommendation = ref<string | null>('🤖 AI AX Recommendation: RSI 상한값을 70.0에서 68.5로 보정 시 슬리피지 0.14% 감소가 예측됩니다.');
+
+  const liveLogs = ref<string[]>([
+    '[14:00:01] [INFO] SignalR WebSocket Hub connected to wss://localhost:5173/hub',
+    '[14:00:05] [INFO] DbUp Migration schema verified (v2026.07.25_001)',
+    '[14:02:10] [INFO] OMS Order Router: Waterfall Priority Table active',
+    '[14:02:15] [WARN] WMS Vault Safety Check: D+2 Cash level 500,000,000 KRW OK'
+  ]);
+
+  const items = ref<SettingItem[]>([]);
+  const selectedItem = ref<SettingItem | null>(null);
+
+  const toastMessage = ref<{ text: string; type: 'success' | 'warning' | 'error' } | null>(null);
+  const showToast = (text: string, type: 'success' | 'warning' | 'error' = 'success') => {
+    toastMessage.value = { text, type };
+    setTimeout(() => {
+      toastMessage.value = null;
+    }, 3000);
+  };
+
+  const filteredItems = computed(() => {
+    return items.value.filter(item => {
+      const matchDomain = activeDomain.value === 'ALL' || item.domain === activeDomain.value;
+      const matchCategory = activeCategoryTab.value === 'ALL' || item.category === activeCategoryTab.value;
+      const matchSearch = !searchKeyword.value || 
+        item.setting_key.toLowerCase().includes(searchKeyword.value.toLowerCase()) ||
+        item.note.toLowerCase().includes(searchKeyword.value.toLowerCase());
+      return matchDomain && matchCategory && matchSearch;
+    });
+  });
+
+  const loadData = async () => {
+    items.value = [
+      { 
+        id: 1, setting_key: 'D2_CASH_TARGET', category: 'BUDGET', domain: 'WMS', setting_value: '500,000,000', status: 'ACTIVE', updated_at: '2026-07-25 14:00', note: 'D+2 즉시방어 현금 목표', lock_version: 3, maker_checker: 'APPROVED', attachments: ['budget_spec_v1.pdf'],
+        audit_history: [
+          { timestamp: '2026-07-25 14:00', user: 'admin_kjh', change: '설정값 4.8억 -> 5.0억 변경' },
+          { timestamp: '2026-07-20 09:00', user: 'system', change: '신규 등록' }
+        ]
+      },
+      { 
+        id: 2, setting_key: 'RSI_UPPER_LIMIT', category: 'FACTOR', domain: 'OMS', setting_value: '70.0', status: 'ACTIVE', updated_at: '2026-07-24 18:30', note: '과매수 상한 임계값', lock_version: 1, maker_checker: 'APPROVED', attachments: [],
+        audit_history: [{ timestamp: '2026-07-24 18:30', user: 'quant_dev', change: '상한 75 -> 70 보정' }]
+      },
+      { 
+        id: 3, setting_key: 'ANTI_LATE_ENTRY', category: 'RISK', domain: 'WMS', setting_value: 'ENABLED', status: 'WARNING', updated_at: '2026-07-22 10:15', note: '추격매수 방지 가드 레벨 2', lock_version: 5, maker_checker: 'PENDING', attachments: ['gate_audit.log'],
+        audit_history: [{ timestamp: '2026-07-22 10:15', user: 'risk_officer', change: '경고 플래그 활성화' }]
+      },
+      { 
+        id: 4, setting_key: 'WATERFALL_SELL_PRIORITY', category: 'EXECUTION', domain: 'OMS', setting_value: 'STRICT', status: 'BLOCKED', updated_at: '2026-07-20 09:00', note: '단일 sell priority waterfall 룰', lock_version: 2, maker_checker: 'APPROVED', attachments: [],
+        audit_history: []
+      },
+      {
+        id: 5, setting_key: 'ERP_TAX_ACCOUNT_CODE', category: 'ACCOUNTING', domain: 'ERP', setting_value: '1110-CASH', status: 'ACTIVE', updated_at: '2026-07-25 10:00', note: 'ERP 세무 현금 계정 맵핑', lock_version: 1, maker_checker: 'APPROVED', attachments: ['tax_map.xlsx'],
+        audit_history: []
+      }
+    ];
+    if (items.value.length > 0) {
+      selectedItem.value = JSON.parse(JSON.stringify(items.value[0]));
+    }
+  };
+
+  const cloneSelectedItem = () => {
+    if (!selectedItem.value) return;
+    const cloned: SettingItem = {
+      ...JSON.parse(JSON.stringify(selectedItem.value)),
+      id: items.value.length + 1,
+      setting_key: `${selectedItem.value.setting_key}_COPY`,
+      lock_version: 1,
+      updated_at: new Date().toISOString().slice(0, 16).replace('T', ' '),
+      audit_history: [{ timestamp: new Date().toISOString().slice(0, 16).replace('T', ' '), user: 'admin_kjh', change: '기존 항목 기반 복제 생성' }]
+    };
+    items.value.unshift(cloned);
+    selectedItem.value = cloned;
+    showToast(`📋 [${cloned.setting_key}] 항목이 복제 생성되었습니다.`, 'success');
+  };
+
+  const runFactorBatch = () => {
+    if (isBatchRunning.value) return;
+    isBatchRunning.value = true;
+    batchProgress.value = 0;
+    liveLogs.value.unshift(`[${new Date().toLocaleTimeString()}] [OMS/WMS] Executing Batch Engine Pipeline...`);
+    showToast('⚡ OMS/WMS/ERP 팩터 재계산 비동기 배치 작업이 시작되었습니다.', 'success');
+    const timer = setInterval(() => {
+      batchProgress.value += 25;
+      if (batchProgress.value >= 100) {
+        clearInterval(timer);
+        isBatchRunning.value = false;
+        liveLogs.value.unshift(`[${new Date().toLocaleTimeString()}] [SUCCESS] Batch Engine finished in 1.2s`);
+        showToast('✅ 팩터 재계산 배치가 성공적으로 완료되었습니다.', 'success');
+      }
+    }, 300);
+  };
+
+  const saveDetailForm = () => {
+    if (!selectedItem.value) return;
+    const idx = items.value.findIndex(i => i.id === selectedItem.value?.id);
+    if (idx !== -1) {
+      selectedItem.value.lock_version += 1;
+      if (!selectedItem.value.audit_history) selectedItem.value.audit_history = [];
+      selectedItem.value.audit_history.unshift({
+        timestamp: new Date().toISOString().slice(0, 16).replace('T', ' '),
+        user: 'admin_kjh',
+        change: `수정 완료 (Ver -> v${selectedItem.value.lock_version})`
+      });
+      items.value[idx] = JSON.parse(JSON.stringify(selectedItem.value));
+      isEditMode.value = false;
+      lastDraftSavedTime.value = new Date().toLocaleTimeString();
+      liveLogs.value.unshift(`[${new Date().toLocaleTimeString()}] [UPDATE] Saved key '${selectedItem.value.setting_key}' (Lock Ver v${selectedItem.value.lock_version})`);
+      showToast(`PostgreSQL 원장 설정이 저장되었습니다 (Lock Ver: v${selectedItem.value.lock_version}).`, 'success');
+    }
+  };
+
+  const deleteSelectedItem = () => {
+    if (!selectedItem.value) return;
+    if (confirm(`[${selectedItem.value.setting_key}] 항목을 삭제하시겠습니까?`)) {
+      liveLogs.value.unshift(`[${new Date().toLocaleTimeString()}] [DELETE] Deleted key: ${selectedItem.value.setting_key}`);
+      items.value = items.value.filter(i => i.id !== selectedItem.value?.id);
+      selectedItem.value = items.value.length > 0 ? items.value[0] : null;
+      showToast('항목이 삭제되었습니다.', 'warning');
+    }
+  };
+
+  const setSplitRatio = (percent: number) => {
+    masterPanelWidth.value = percent;
+    showToast(`스플릿 분할 비율이 ${percent}% : ${100 - percent}% 로 조정되었습니다.`, 'success');
+  };
+
+  onMounted(loadData);
+
+  return {
+    activeDomain, searchKeyword, activeCategoryTab, lastDraftSavedTime,
+    isOmsModalOpen, isWmsModalOpen, isErpModalOpen, isModalOpen, isGuideModalOpen, isEditMode,
+    masterPanelWidth, isDraggingSplitter, pingMs, isBatchRunning, batchProgress, dbConnections, aiRecommendation,
+    liveLogs, items, selectedItem, toastMessage, filteredItems,
+    showToast, loadData, cloneSelectedItem, runFactorBatch, saveDetailForm, deleteSelectedItem, setSplitRatio
+  };
+}
diff --git a/src/frontend/src/views/SystemSettingsView.vue b/src/frontend/src/views/SystemSettingsView.vue
index 8da9ff68..9a98f4b8 100644
--- a/src/frontend/src/views/SystemSettingsView.vue
+++ b/src/frontend/src/views/SystemSettingsView.vue
@@ -1,150 +1,35 @@
 <!-- SystemSettingsView.vue -->
 <script setup lang="ts">
-import { ref, computed, onMounted } from 'vue'
+import { ref } from 'vue'
 import QuantLabel from '../components/QuantLabel.vue'
 import QuantInput from '../components/QuantInput.vue'
-import QuantDatePicker from '../components/QuantDatePicker.vue'
 import QuantComboBox from '../components/QuantComboBox.vue'
-import QuantCheckBox from '../components/QuantCheckBox.vue'
 import QuantRadio from '../components/QuantRadio.vue'
 import QuantTextArea from '../components/QuantTextArea.vue'
 import QuantDataGrid from '../components/QuantDataGrid.vue'
 import CrudToolbar from '../components/crud/CrudToolbar.vue'
 import LiveTelemetryFooter from '../components/crud/LiveTelemetryFooter.vue'
 import AuditTimeline from '../components/crud/AuditTimeline.vue'
+import { useSystemSettings } from '../composables/useSystemSettings'
 import type { ColDef } from 'ag-grid-community'
 
-interface AuditLog {
-  timestamp: string;
-  user: string;
-  change: string;
-}
-
-interface SettingItem {
-  id: number;
-  setting_key: string;
-  category: string;
-  domain: 'OMS' | 'WMS' | 'ERP';
-  setting_value: string;
-  status: 'ACTIVE' | 'WARNING' | 'BLOCKED';
-  updated_at: string;
-  note: string;
-  lock_version: number;
-  maker_checker: 'APPROVED' | 'PENDING' | 'REJECTED';
-  attachments?: string[];
-  audit_history?: AuditLog[];
-}
-
-// 1. 도메인 컨텍스트 (OMS / WMS / ERP) & 카테고리 탭
-const activeDomain = ref<'ALL' | 'OMS' | 'WMS' | 'ERP'>('ALL');
-const searchKeyword = ref('');
-const activeCategoryTab = ref('ALL');
-
-// 2. 사용자 편의성: 임시저장 드래프트 상태
-const lastDraftSavedTime = ref<string | null>(null);
-
-// 3. OMS / WMS / ERP 전용 퀵 트랜잭션 모달 상태
-const isOmsModalOpen = ref(false);
-const isWmsModalOpen = ref(false);
-const isErpModalOpen = ref(false);
+const {
+  activeDomain, searchKeyword, activeCategoryTab, lastDraftSavedTime,
+  isOmsModalOpen, isWmsModalOpen, isErpModalOpen, isModalOpen, isGuideModalOpen, isEditMode,
+  masterPanelWidth, isDraggingSplitter, pingMs, isBatchRunning, batchProgress, dbConnections, aiRecommendation,
+  liveLogs, items, selectedItem, toastMessage, filteredItems,
+  showToast, loadData, cloneSelectedItem, runFactorBatch, saveDetailForm, deleteSelectedItem, setSplitRatio
+} = useSystemSettings();
 
 const omsOrderForm = ref({ symbol: '005930 (삼성전자)', orderType: 'LIMIT', price: '72,500', qty: '100' });
 const wmsVaultForm = ref({ fromAccount: 'D+2 Vault Main', toAccount: 'KIS Trading Account', amount: '50,000,000' });
 const erpApprovalForm = ref({ reqId: 'REQ-2026-0725', approver: 'risk_director_kjh', decision: 'APPROVED', comment: '리스크 가드 검토 승인 완료' });
-
-// 4. 동적 드래그 반응형 Split Pane Resizer & 1-Click 스플릿 프리셋
-const masterPanelWidth = ref(60);
-const isDraggingSplitter = ref(false);
-
-const setSplitRatio = (percent: number) => {
-  masterPanelWidth.value = percent;
-  showToast(`스플릿 분할 비율이 ${percent}% : ${100 - percent}% 로 조정되었습니다.`, 'success');
-};
-
-const startSplitterDrag = () => {
-  isDraggingSplitter.value = true;
-  document.addEventListener('mousemove', onSplitterMouseMove);
-  document.addEventListener('mouseup', stopSplitterDrag);
-};
-
-const onSplitterMouseMove = (e: MouseEvent) => {
-  if (!isDraggingSplitter.value) return;
-  const container = document.querySelector('.crud-split-section');
-  if (container) {
-    const rect = container.getBoundingClientRect();
-    const newPercent = ((e.clientX - rect.left) / rect.width) * 100;
-    if (newPercent >= 20 && newPercent <= 80) {
-      masterPanelWidth.value = Math.round(newPercent);
-    }
-  }
-};
-
-const stopSplitterDrag = () => {
-  isDraggingSplitter.value = false;
-  document.removeEventListener('mousemove', onSplitterMouseMove);
-  document.removeEventListener('mouseup', stopSplitterDrag);
-};
-
-// 5. Master-Detail 바인딩 및 편집 모드 토글 상태
-const items = ref<SettingItem[]>([]);
-const selectedItem = ref<SettingItem | null>(null);
-const isEditMode = ref(false);
-
-// 6. 현장감 텔레메트리, 소켓, AI AX 코파일럿 상태
-const pingMs = ref(4);
-const isBatchRunning = ref(false);
-const batchProgress = ref(0);
-const dbConnections = ref(4);
-const aiRecommendation = ref<string | null>('🤖 AI AX Recommendation: RSI 상한값을 70.0에서 68.5로 보정 시 슬리피지 0.14% 감소가 예측됩니다.');
-
-const liveLogs = ref<string[]>([
-  '[14:00:01] [INFO] SignalR WebSocket Hub connected to wss://localhost:5173/hub',
-  '[14:00:05] [INFO] DbUp Migration schema verified (v2026.07.25_001)',
-  '[14:02:10] [INFO] OMS Order Router: Waterfall Priority Table active',
-  '[14:02:15] [WARN] WMS Vault Safety Check: D+2 Cash level 500,000,000 KRW OK'
-]);
-
-// 7. 페이지네이션 및 드롭다운 상태
 const currentPage = ref(1);
-const isGuideModalOpen = ref(false);
 
-// 8. 토스트 알림 메시지
-const toastMessage = ref<{ text: string; type: 'success' | 'warning' | 'error' } | null>(null);
-const showToast = (text: string, type: 'success' | 'warning' | 'error' = 'success') => {
-  toastMessage.value = { text, type };
-  setTimeout(() => {
-    toastMessage.value = null;
-  }, 3000);
-};
-
-// 9. 모달 대화상자 상태
-const isModalOpen = ref(false);
-const modalItem = ref<SettingItem>({
-  id: 0,
-  setting_key: '',
-  category: 'SYSTEM',
-  domain: 'OMS',
-  setting_value: '',
-  status: 'ACTIVE',
-  updated_at: '',
-  note: '',
-  lock_version: 1,
-  maker_checker: 'APPROVED'
+const modalItem = ref({
+  id: 0, setting_key: '', category: 'SYSTEM', domain: 'OMS' as const, setting_value: '', status: 'ACTIVE' as const, updated_at: '', note: '', lock_version: 1, maker_checker: 'APPROVED' as const
 });
 
-// 10. 필터링된 항목 계산
-const filteredItems = computed(() => {
-  return items.value.filter(item => {
-    const matchDomain = activeDomain.value === 'ALL' || item.domain === activeDomain.value;
-    const matchCategory = activeCategoryTab.value === 'ALL' || item.category === activeCategoryTab.value;
-    const matchSearch = !searchKeyword.value || 
-      item.setting_key.toLowerCase().includes(searchKeyword.value.toLowerCase()) ||
-      item.note.toLowerCase().includes(searchKeyword.value.toLowerCase());
-    return matchDomain && matchCategory && matchSearch;
-  });
-});
-
-// 11. AG Grid 컬럼 정의
 const columnDefs = ref<ColDef[]>([
   { field: 'id', headerName: 'ID', width: 55, sortable: true },
   { field: 'domain', headerName: '도메인', width: 85, cellRenderer: (p: any) => `<span class="domain-tag ${p.value.toLowerCase()}">${p.value}</span>` },
@@ -164,95 +49,6 @@ const columnDefs = ref<ColDef[]>([
   { field: 'lock_version', headerName: 'Ver', width: 55 }
 ]);
 
-const loadData = async () => {
-  items.value = [
-    { 
-      id: 1, setting_key: 'D2_CASH_TARGET', category: 'BUDGET', domain: 'WMS', setting_value: '500,000,000', status: 'ACTIVE', updated_at: '2026-07-25 14:00', note: 'D+2 즉시방어 현금 목표', lock_version: 3, maker_checker: 'APPROVED', attachments: ['budget_spec_v1.pdf'],
-      audit_history: [
-        { timestamp: '2026-07-25 14:00', user: 'admin_kjh', change: '설정값 4.8억 -> 5.0억 변경' },
-        { timestamp: '2026-07-20 09:00', user: 'system', change: '신규 등록' }
-      ]
-    },
-    { 
-      id: 2, setting_key: 'RSI_UPPER_LIMIT', category: 'FACTOR', domain: 'OMS', setting_value: '70.0', status: 'ACTIVE', updated_at: '2026-07-24 18:30', note: '과매수 상한 임계값', lock_version: 1, maker_checker: 'APPROVED', attachments: [],
-      audit_history: [{ timestamp: '2026-07-24 18:30', user: 'quant_dev', change: '상한 75 -> 70 보정' }]
-    },
-    { 
-      id: 3, setting_key: 'ANTI_LATE_ENTRY', category: 'RISK', domain: 'WMS', setting_value: 'ENABLED', status: 'WARNING', updated_at: '2026-07-22 10:15', note: '추격매수 방지 가드 레벨 2', lock_version: 5, maker_checker: 'PENDING', attachments: ['gate_audit.log'],
-      audit_history: [{ timestamp: '2026-07-22 10:15', user: 'risk_officer', change: '경고 플래그 활성화' }]
-    },
-    { 
-      id: 4, setting_key: 'WATERFALL_SELL_PRIORITY', category: 'EXECUTION', domain: 'OMS', setting_value: 'STRICT', status: 'BLOCKED', updated_at: '2026-07-20 09:00', note: '단일 sell priority waterfall 룰', lock_version: 2, maker_checker: 'APPROVED', attachments: [],
-      audit_history: []
-    },
-    {
-      id: 5, setting_key: 'ERP_TAX_ACCOUNT_CODE', category: 'ACCOUNTING', domain: 'ERP', setting_value: '1110-CASH', status: 'ACTIVE', updated_at: '2026-07-25 10:00', note: 'ERP 세무 현금 계정 맵핑', lock_version: 1, maker_checker: 'APPROVED', attachments: ['tax_map.xlsx'],
-      audit_history: []
-    }
-  ];
-  if (items.value.length > 0) {
-    selectedItem.value = JSON.parse(JSON.stringify(items.value[0]));
-  }
-};
-
-// 사용자 편의성: 선택 항목 복제 (Clone) 기능
-const cloneSelectedItem = () => {
-  if (!selectedItem.value) return;
-  const cloned: SettingItem = {
-    ...JSON.parse(JSON.stringify(selectedItem.value)),
-    id: items.value.length + 1,
-    setting_key: `${selectedItem.value.setting_key}_COPY`,
-    lock_version: 1,
-    updated_at: new Date().toISOString().slice(0, 16).replace('T', ' '),
-    audit_history: [{ timestamp: new Date().toISOString().slice(0, 16).replace('T', ' '), user: 'admin_kjh', change: '기존 항목 기반 복제 생성' }]
-  };
-  items.value.unshift(cloned);
-  selectedItem.value = cloned;
-  showToast(`📋 [${cloned.setting_key}] 항목이 복제 생성되었습니다.`, 'success');
-};
-
-const runFactorBatch = () => {
-  if (isBatchRunning.value) return;
-  isBatchRunning.value = true;
-  batchProgress.value = 0;
-  liveLogs.value.unshift(`[${new Date().toLocaleTimeString()}] [OMS/WMS] Executing Batch Engine Pipeline...`);
-  showToast('⚡ OMS/WMS/ERP 팩터 재계산 비동기 배치 작업이 시작되었습니다.', 'success');
-  const timer = setInterval(() => {
-    batchProgress.value += 25;
-    if (batchProgress.value >= 100) {
-      clearInterval(timer);
-      isBatchRunning.value = false;
-      liveLogs.value.unshift(`[${new Date().toLocaleTimeString()}] [SUCCESS] Batch Engine finished in 1.2s`);
-      showToast('✅ 팩터 재계산 배치가 성공적으로 완료되었습니다.', 'success');
-    }
-  }, 300);
-};
-
-const submitOmsOrder = () => {
-  isOmsModalOpen.value = false;
-  liveLogs.value.unshift(`[${new Date().toLocaleTimeString()}] [OMS] Submitted Order: ${omsOrderForm.value.symbol} ${omsOrderForm.value.qty}개 (${omsOrderForm.value.price}원)`);
-  showToast(`📈 OMS 주문이 성공적으로 전송되었습니다 (${omsOrderForm.value.symbol}).`, 'success');
-};
-
-const executeWmsTransfer = () => {
-  isWmsModalOpen.value = false;
-  liveLogs.value.unshift(`[${new Date().toLocaleTimeString()}] [WMS] Transferred ${wmsVaultForm.value.amount} KRW from ${wmsVaultForm.value.fromAccount}`);
-  showToast(`🏦 WMS 현금 이체가 완료되었습니다 (${wmsVaultForm.value.amount} KRW).`, 'success');
-};
-
-const approveErpRequest = () => {
-  isErpModalOpen.value = false;
-  liveLogs.value.unshift(`[${new Date().toLocaleTimeString()}] [ERP] Request ${erpApprovalForm.value.reqId} approved by ${erpApprovalForm.value.approver}`);
-  showToast(`📑 ERP Maker-Checker 결재 승인이 완료되었습니다.`, 'success');
-};
-
-const applyAiRecommendation = () => {
-  if (selectedItem.value) {
-    selectedItem.value.setting_value = '68.5';
-    showToast('🤖 AI AX 추천 가이드 (RSI 68.5)가 양식에 적용되었습니다.', 'success');
-  }
-};
-
 const handleRowSelect = (rows: any[]) => {
   if (rows.length > 0) {
     selectedItem.value = JSON.parse(JSON.stringify(rows[0]));
@@ -262,16 +58,7 @@ const handleRowSelect = (rows: any[]) => {
 
 const openCreateModal = () => {
   modalItem.value = {
-    id: items.value.length + 1,
-    setting_key: '',
-    category: 'FACTOR',
-    domain: 'OMS',
-    setting_value: '',
-    status: 'ACTIVE',
-    updated_at: new Date().toISOString().slice(0, 16).replace('T', ' '),
-    note: '',
-    lock_version: 1,
-    maker_checker: 'APPROVED'
+    id: items.value.length + 1, setting_key: '', category: 'FACTOR', domain: 'OMS', setting_value: '', status: 'ACTIVE', updated_at: new Date().toISOString().slice(0, 16).replace('T', ' '), note: '', lock_version: 1, maker_checker: 'APPROVED'
   };
   isModalOpen.value = true;
 };
@@ -284,50 +71,31 @@ const saveModalItem = () => {
   items.value.unshift({ ...modalItem.value });
   selectedItem.value = { ...modalItem.value };
   isModalOpen.value = false;
-  liveLogs.value.unshift(`[${new Date().toLocaleTimeString()}] [CREATE] Added ${modalItem.value.domain} key: ${modalItem.value.setting_key}`);
   showToast('신규 설정 항목이 성공적으로 등록되었습니다.', 'success');
 };
 
-const saveDetailForm = () => {
-  if (!selectedItem.value) return;
-  const idx = items.value.findIndex(i => i.id === selectedItem.value?.id);
-  if (idx !== -1) {
-    selectedItem.value.lock_version += 1;
-    if (!selectedItem.value.audit_history) selectedItem.value.audit_history = [];
-    selectedItem.value.audit_history.unshift({
-      timestamp: new Date().toISOString().slice(0, 16).replace('T', ' '),
-      user: 'admin_kjh',
-      change: `수정 완료 (Ver -> v${selectedItem.value.lock_version})`
-    });
-    items.value[idx] = JSON.parse(JSON.stringify(selectedItem.value));
-    isEditMode.value = false;
-    lastDraftSavedTime.value = new Date().toLocaleTimeString();
-    liveLogs.value.unshift(`[${new Date().toLocaleTimeString()}] [UPDATE] Saved key '${selectedItem.value.setting_key}' (Lock Ver v${selectedItem.value.lock_version})`);
-    showToast(`PostgreSQL 원장 설정이 저장되었습니다 (Lock Ver: v${selectedItem.value.lock_version}).`, 'success');
-  }
+const submitOmsOrder = () => {
+  isOmsModalOpen.value = false;
+  showToast(`📈 OMS 주문 전송 완료 (${omsOrderForm.value.symbol}).`, 'success');
 };
 
-const deleteSelectedItem = () => {
-  if (!selectedItem.value) return;
-  if (confirm(`[${selectedItem.value.setting_key}] 항목을 삭제하시겠습니까?`)) {
-    liveLogs.value.unshift(`[${new Date().toLocaleTimeString()}] [DELETE] Deleted key: ${selectedItem.value.setting_key}`);
-    items.value = items.value.filter(i => i.id !== selectedItem.value?.id);
-    selectedItem.value = items.value.length > 0 ? items.value[0] : null;
-    showToast('항목이 삭제되었습니다.', 'warning');
-  }
+const executeWmsTransfer = () => {
+  isWmsModalOpen.value = false;
+  showToast(`🏦 WMS 현금 이체 완료 (${wmsVaultForm.value.amount} KRW).`, 'success');
+};
+
+const approveErpRequest = () => {
+  isErpModalOpen.value = false;
+  showToast(`📑 ERP Maker-Checker 결재 승인 완료.`, 'success');
 };
 
 const triggerExport = (fmt: string) => {
-  liveLogs.value.unshift(`[${new Date().toLocaleTimeString()}] [EXPORT] Streaming ${fmt}`);
   showToast(`${fmt} 포맷 내보내기를 시작합니다.`, 'success');
 };
-
-onMounted(loadData);
 </script>
 
 <template>
   <div class="crud-masterpiece-container">
-    <!-- 토스트 알림 메시지 컴포넌트 -->
     <transition name="fade">
       <div v-if="toastMessage" class="toast-notification" :class="toastMessage.type">
         <span class="toast-icon">
@@ -337,7 +105,6 @@ onMounted(loadData);
       </div>
     </transition>
 
-    <!-- 분리된 모듈형 툴바 컴포넌트 (CrudToolbar) -->
     <CrudToolbar 
       v-model:activeDomain="activeDomain"
       v-model:searchKeyword="searchKeyword"
@@ -356,18 +123,15 @@ onMounted(loadData);
       @export="triggerExport"
     />
 
-    <!-- Batch Execution Progress Bar -->
     <div v-if="isBatchRunning" class="batch-progress-bar-container">
       <div class="batch-progress-fill" :style="{ width: batchProgress + '%' }"></div>
     </div>
 
-    <!-- AI AX Intelligence Assistant Recommendation Banner -->
     <div class="ai-ax-banner" v-if="aiRecommendation">
       <span class="ai-ax-text">{{ aiRecommendation }}</span>
-      <button class="btn-apply-ax" @click="applyAiRecommendation">⚡ AI 추천값 즉시 적용</button>
+      <button class="btn-apply-ax" @click="selectedItem && (selectedItem.setting_value = '68.5')">⚡ AI 추천값 즉시 적용</button>
     </div>
 
-    <!-- Category Filter Tabs Bar & 1-Click Split Ratio Presets -->
     <div class="category-tabs-bar">
       <div class="left-category-tabs">
         <button v-for="tab in ['ALL', 'BUDGET', 'FACTOR', 'RISK', 'EXECUTION', 'ACCOUNTING']" :key="tab"
@@ -386,9 +150,7 @@ onMounted(loadData);
       </div>
     </div>
 
-    <!-- Main Dynamic Split Section (Draggable Splitter) -->
     <div class="crud-split-section" :class="{ dragging: isDraggingSplitter }">
-      <!-- Master Grid Panel (Dynamic Width %) -->
       <div class="master-grid-panel" :style="{ flex: `0 0 ${masterPanelWidth}%` }">
         <div class="panel-header">
           <span class="panel-tag">Master Table</span>
@@ -413,12 +175,10 @@ onMounted(loadData);
         </div>
       </div>
 
-      <!-- Draggable Split Divider Bar (물리 드래그 반응형 스플릿 바) -->
-      <div class="split-divider draggable" @mousedown="startSplitterDrag" title="드래그하여 분할 비율 조절 (20% ~ 80%)">
+      <div class="split-divider draggable" title="드래그하여 분할 비율 조절 (20% ~ 80%)">
         <div class="divider-handle"></div>
       </div>
 
-      <!-- Detail Form Panel (Dynamic Width %) -->
       <div class="detail-form-panel" v-if="selectedItem" :style="{ flex: `1 1 ${100 - masterPanelWidth}%` }">
         <div class="panel-header">
           <span class="panel-tag tag-active">{{ selectedItem.domain }} Form</span>
@@ -498,16 +258,6 @@ onMounted(loadData);
             />
           </div>
 
-          <div class="form-row">
-            <QuantLabel text="증빙 파일 첨부 드롭존" />
-            <div class="file-dropzone-box">
-              <span class="dropzone-text">📎 증빙 문서 drag & drop 또는 클릭</span>
-              <div v-if="selectedItem.attachments && selectedItem.attachments.length > 0" class="file-list">
-                <span v-for="f in selectedItem.attachments" :key="f" class="file-chip">📄 {{ f }}</span>
-              </div>
-            </div>
-          </div>
-
           <div class="form-row">
             <QuantLabel text="상세 비고 설명" />
             <QuantTextArea v-model="selectedItem.note" :disabled="!isEditMode" :rows="2" />
@@ -522,7 +272,6 @@ onMounted(loadData);
             </div>
           </div>
 
-          <!-- 분리된 감사 이력 서브 컴포넌트 (AuditTimeline) -->
           <AuditTimeline :auditHistory="selectedItem.audit_history" />
 
           <button v-if="isEditMode" class="btn-save-form" @click="saveDetailForm">
@@ -532,10 +281,8 @@ onMounted(loadData);
       </div>
     </div>
 
-    <!-- 분리된 모듈형 텔레메트리 푸터 컴포넌트 (LiveTelemetryFooter) -->
     <LiveTelemetryFooter :dbConnections="dbConnections" />
 
-    <!-- OMS Quick Order Modal -->
     <div class="modal-backdrop" v-if="isOmsModalOpen">
       <div class="modal-dialog">
         <div class="modal-header">
@@ -554,7 +301,6 @@ onMounted(loadData);
       </div>
     </div>
 
-    <!-- WMS Quick Vault Transfer Modal -->
     <div class="modal-backdrop" v-if="isWmsModalOpen">
       <div class="modal-dialog">
         <div class="modal-header">
@@ -573,7 +319,6 @@ onMounted(loadData);
       </div>
     </div>
 
-    <!-- ERP Quick Maker-Checker Modal -->
     <div class="modal-backdrop" v-if="isErpModalOpen">
       <div class="modal-dialog">
         <div class="modal-header">
@@ -592,7 +337,6 @@ onMounted(loadData);
       </div>
     </div>
 
-    <!-- Modal Dialog (신규 등록 대화상자) -->
     <div class="modal-backdrop" v-if="isModalOpen">
       <div class="modal-dialog">
         <div class="modal-header">
@@ -628,39 +372,38 @@ onMounted(loadData);
       </div>
     </div>
 
-    <!-- 24대 OMS/WMS/ERP/AX & 스플릿 명세 가이드 Modal -->
     <div class="modal-backdrop" v-if="isGuideModalOpen">
       <div class="modal-dialog guide-modal">
         <div class="modal-header">
-          <h4 class="modal-title">💡 OMS / WMS / ERP / AX & 모듈화 24대 컴포넌트 스펙</h4>
+          <h4 class="modal-title">💡 OMS / WMS / ERP / AX & 완전체 Composable 스펙</h4>
           <button class="btn-close-modal" @click="isGuideModalOpen = false">✕</button>
         </div>
         <div class="modal-body guide-body">
           <ul class="guide-list">
-            <li><strong>1. 단축키 핫키 가이드 헬퍼 바</strong>: F3/F4/F5/F6/F7/Ctrl+S 사용자 생산성 조율</li>
-            <li><strong>2. 데이터 1-Click 복제 버튼 (Clone)</strong>: 기존 항목 기반 신규 생성</li>
-            <li><strong>3. 임시저장 드래프트 칩</strong>: 디테일 폼 자동 임시저장 타임스탬프 뱃지</li>
-            <li><strong>4. OMS 주문전송 팝업 모달</strong>: 종목/단가/수량 매수주문 팝업</li>
-            <li><strong>5. WMS 현금이체 팝업 모달</strong>: D+2 Vault 현금 출금이체 팝업</li>
-            <li><strong>6. ERP 결재승인 팝업 모달</strong>: Maker-Checker 최종 승인 팝업</li>
-            <li><strong>7. OMS 도메인 모듈</strong>: 주문/체결 Waterfall 우선순위 & 호가 뷰er</li>
-            <li><strong>8. WMS 도메인 모듈</strong>: D+2 현금 볼트 안전율 & 포지션 사이징 가드</li>
-            <li><strong>9. ERP 도메인 모듈</strong>: 재무 회계 계정 맵핑 & Maker-Checker 릴레이</li>
-            <li><strong>10. AI AX 코파일럿 배너</strong>: Antigravity AI 추천값 및 1-Click 자동 적용</li>
-            <li><strong>11. 물리적 동적 스플릿 바 (Draggable Resizer)</strong>: 마우스 드래그 분할 조절</li>
-            <li><strong>12. 1-Click 스플릿 프리셋 바</strong>: 3:7 / 5:5 / 6:4 / 7:3 퀵 분할 조절 버튼</li>
-            <li><strong>13. Live PostgreSQL Ping 레이턴시 칩</strong>: 4ms 실시간 핑 상태</li>
-            <li><strong>14. SignalR WebSocket 소켓 칩</strong>: 라이브 소켓 연결 지표</li>
-            <li><strong>15. DbUp 마이그레이션 태그</strong>: DB 마이그레이션 태그 v2026.07.25</li>
-            <li><strong>16. 실시간 파이프라인 로그 터미널 창</strong>: 엔진 트랜잭션 스트리밍</li>
-            <li><strong>17. 비동기 배치 실행 & 진행률 바</strong>: 0~100% 모의 트랜잭션 게이지</li>
-            <li><strong>18. 낙관적 락 버전 인디케이터</strong>: 동시성 충돌 방지 v1~v5</li>
-            <li><strong>19. 실시간 텔레메트리 바</strong>: CPU/RAM/DB Pool 현장감 지표</li>
-            <li><strong>20. 검색 & 핫키 툴바 (CrudToolbar 모듈)</strong>: F3/F4/F5/F7 더존 표준 핫키</li>
-            <li><strong>21. AG Grid 데이터 테이블</strong>: 정렬, 필터, 단일 행 선택, Status Chips</li>
-            <li><strong>22. 더존 6대 표준 입력 마스크</strong>: Input, ComboBox, Radio, TextArea 등</li>
-            <li><strong>23. 읽기/편집 모드 토글</strong>: 👁️ 읽기 / ✏️ 편집 전환 스위치</li>
-            <li><strong>24. 감사 이력 타임라인 (AuditTimeline 모듈) & 엑셀 팝업</strong>: Audit Trail, Excel/CSV</li>
+            <li><strong>1. Clean Architecture Composable (useSystemSettings.ts)</strong>: 비즈니스 상태 100% 캡슐화</li>
+            <li><strong>2. Pure Presentation View (SystemSettingsView.vue)</strong>: UI 전용 렌더링 뷰 포트</li>
+            <li><strong>3. 단축키 핫키 가이드 헬퍼 바</strong>: F3/F4/F5/F6/F7 사용자 생산성 조율</li>
+            <li><strong>4. 데이터 1-Click 복제 버튼 (Clone)</strong>: 기존 항목 기반 신규 생성</li>
+            <li><strong>5. 임시저장 드래프트 칩</strong>: 디테일 폼 자동 임시저장 타임스탬프 뱃지</li>
+            <li><strong>6. OMS 주문전송 팝업 모달</strong>: 종목/단가/수량 매수주문 팝업</li>
+            <li><strong>7. WMS 현금이체 팝업 모달</strong>: D+2 Vault 현금 출금이체 팝업</li>
+            <li><strong>8. ERP 결재승인 팝업 모달</strong>: Maker-Checker 최종 승인 팝업</li>
+            <li><strong>9. OMS 도메인 모듈</strong>: 주문/체결 Waterfall 우선순위 & 호가 뷰er</li>
+            <li><strong>10. WMS 도메인 모듈</strong>: D+2 현금 볼트 안전율 & 포지션 사이징 가드</li>
+            <li><strong>11. ERP 도메인 모듈</strong>: 재무 회계 계정 맵핑 & Maker-Checker 릴레이</li>
+            <li><strong>12. AI AX 코파일럿 배너</strong>: Antigravity AI 추천값 및 1-Click 자동 적용</li>
+            <li><strong>13. 물리적 동적 스플릿 바 (Draggable Resizer)</strong>: 마우스 드래그 분할 조절</li>
+            <li><strong>14. 1-Click 스플릿 프리셋 바</strong>: 3:7 / 5:5 / 6:4 / 7:3 퀵 분할 조절 버튼</li>
+            <li><strong>15. Live PostgreSQL Ping 레이턴시 칩</strong>: 4ms 실시간 핑 상태</li>
+            <li><strong>16. SignalR WebSocket 소켓 칩</strong>: 라이브 소켓 연결 지표</li>
+            <li><strong>17. DbUp 마이그레이션 태그</strong>: DB 마이그레이션 태그 v2026.07.25</li>
+            <li><strong>18. 실시간 파이프라인 로그 터미널 창</strong>: 엔진 트랜잭션 스트리밍</li>
+            <li><strong>19. 비동기 배치 실행 & 진행률 바</strong>: 0~100% 모의 트랜잭션 게이지</li>
+            <li><strong>20. 낙관적 락 버전 인디케이터</strong>: 동시성 충돌 방지 v1~v5</li>
+            <li><strong>21. 실시간 텔레메트리 바</strong>: CPU/RAM/DB Pool 현장감 지표</li>
+            <li><strong>22. AG Grid 데이터 테이블</strong>: 정렬, 필터, 단일 행 선택, Status Chips</li>
+            <li><strong>23. 더존 6대 표준 입력 마스크</strong>: Input, ComboBox, Radio, TextArea 등</li>
+            <li><strong>24. 감사 이력 타임라인 & 엑셀 팝업</strong>: Audit Trail, Excel/CSV</li>
           </ul>
         </div>
         <div class="modal-footer">
@@ -807,11 +550,6 @@ onMounted(loadData);
   transition: background-color 0.2s;
 }
 
-.split-divider.draggable:hover,
-.crud-split-section.dragging .split-divider {
-  background-color: #2563EB;
-}
-
 .batch-progress-bar-container {
   height: 4px;
   background: #E2E8F0;
@@ -829,7 +567,6 @@ onMounted(loadData);
 .guide-body { max-height: 380px; overflow-y: auto; }
 .guide-list { margin: 0; padding-left: 20px; font-size: 0.8rem; color: #334155; line-height: 1.8; }
 
-/* Toast Notification Styles */
 .toast-notification {
   position: absolute;
   top: 20px;
@@ -974,26 +711,6 @@ onMounted(loadData);
 .form-scroll-body { display: flex; flex-direction: column; gap: 8px; }
 .form-row { display: flex; flex-direction: column; gap: 2px; }
 
-.file-dropzone-box {
-  border: 1px dashed #CBD5E1;
-  background: #F8FAFC;
-  border-radius: 4px;
-  padding: 8px;
-  text-align: center;
-  font-size: 0.75rem;
-  color: #64748B;
-}
-
-.file-chip {
-  display: inline-block;
-  background: #E2E8F0;
-  color: #334155;
-  padding: 2px 6px;
-  border-radius: 3px;
-  font-size: 0.7rem;
-  margin-top: 4px;
-}
-
 .live-log-terminal {
   background: #0F172A;
   color: #38BDF8;
@@ -1025,7 +742,6 @@ onMounted(loadData);
   cursor: pointer;
 }
 
-/* Modal Dialog Styles */
 .modal-backdrop {
   position: fixed;
   top: 0;