diff --git a/src/frontend/src/views/SystemSettingsView.vue b/src/frontend/src/views/SystemSettingsView.vue
index dd069c30..4fca510c 100644
--- a/src/frontend/src/views/SystemSettingsView.vue
+++ b/src/frontend/src/views/SystemSettingsView.vue
@@ -1,5 +1,6 @@
+<!-- SystemSettingsView.vue -->
 <script setup lang="ts">
-import { ref } from 'vue'
+import { ref, onMounted } from 'vue'
 import QuantLabel from '../components/QuantLabel.vue'
 import QuantInput from '../components/QuantInput.vue'
 import QuantDatePicker from '../components/QuantDatePicker.vue'
@@ -9,124 +10,490 @@ import QuantRadio from '../components/QuantRadio.vue'
 import QuantTextArea from '../components/QuantTextArea.vue'
 import QuantAutoComplete from '../components/QuantAutoComplete.vue'
 import QuantStatusChip from '../components/QuantStatusChip.vue'
+import QuantDataGrid from '../components/QuantDataGrid.vue'
+import type { ColDef } from 'ag-grid-community'
 
-const codeVal = ref('005930')
-const dateVal = ref('20260722')
-const currencyVal = ref('340500')
-const comboVal = ref('ACTIVE')
-const checkVal = ref(true)
-const radioVal = ref('A')
-const textVal = ref('더존 회계시스템 기준 6대 표준 입력 컴포넌트 템플릿 설정')
-const autoVal = ref('')
+interface SettingItem {
+  id: number;
+  setting_key: string;
+  category: string;
+  setting_value: string;
+  status: 'ACTIVE' | 'WARNING' | 'BLOCKED';
+  updated_at: string;
+  note: string;
+}
 
-const comboOptions = [
-  { label: 'ACTIVE (운영)', value: 'ACTIVE' },
-  { label: 'LIMIT (제한)', value: 'LIMIT' },
-  { label: 'ARCHIVED (보관)', value: 'ARCHIVED' }
-]
+// 1. 검색 및 필터 바 상태
+const searchKeyword = ref('');
+const statusFilter = ref('ALL');
 
-const radioOptions = [
-  { label: '유형 A (표준)', value: 'A' },
-  { label: '유형 B (확장)', value: 'B' }
-]
+// 2. Master-Detail 바인딩 상태
+const items = ref<SettingItem[]>([]);
+const selectedItem = ref<SettingItem | null>(null);
 
-const autoSuggestions = [
-  { label: '삼성전자', value: '005930' },
-  { label: 'SK하이닉스', value: '000660' },
-  { label: 'NAVER', value: '035420' }
-]
+// 3. 모달 대화상자 상태
+const isModalOpen = ref(false);
+const modalItem = ref<SettingItem>({
+  id: 0,
+  setting_key: '',
+  category: 'SYSTEM',
+  setting_value: '',
+  status: 'ACTIVE',
+  updated_at: '',
+  note: ''
+});
+
+// 4. AG Grid 컬럼 정의
+const columnDefs = ref<ColDef[]>([
+  { field: 'id', headerName: 'ID', width: 70, sortable: true },
+  { field: 'setting_key', headerName: '설정 키 (Key)', width: 160, sortable: true, filter: true },
+  { field: 'category', headerName: '카테고리', width: 120 },
+  { field: 'setting_value', headerName: '설정 값 (Value)', width: 160 },
+  { 
+    field: 'status', 
+    headerName: '상태 칩', 
+    width: 120,
+    cellRenderer: (params: any) => {
+      const type = params.value === 'ACTIVE' ? 'PASS' : params.value === 'WARNING' ? 'WARNING' : 'BLOCKED';
+      return `<span class="status-chip ${type.toLowerCase()}">${params.value}</span>`;
+    }
+  },
+  { field: 'updated_at', headerName: '수정일시', width: 140 }
+]);
+
+const loadData = async () => {
+  // 모의 CRUD 데이터 세트
+  items.value = [
+    { id: 1, setting_key: 'D2_CASH_TARGET', category: 'BUDGET', setting_value: '500,000,000', status: 'ACTIVE', updated_at: '2026-07-25 14:00', note: 'D+2 즉시방어 현금 목표' },
+    { id: 2, setting_key: 'RSI_UPPER_LIMIT', category: 'FACTOR', setting_value: '70.0', status: 'ACTIVE', updated_at: '2026-07-24 18:30', note: '과매수 상한 임계값' },
+    { id: 3, setting_key: 'ANTI_LATE_ENTRY', category: 'RISK', setting_value: 'ENABLED', status: 'WARNING', updated_at: '2026-07-22 10:15', note: '추격매수 방지 가드 레벨 2' },
+    { id: 4, setting_key: 'WATERFALL_SELL_PRIORITY', category: 'EXECUTION', setting_value: 'STRICT', status: 'BLOCKED', updated_at: '2026-07-20 09:00', note: '단일 sell priority waterfall 룰' }
+  ];
+  if (items.value.length > 0) {
+    selectedItem.value = JSON.parse(JSON.stringify(items.value[0]));
+  }
+};
+
+const handleRowSelect = (rows: any[]) => {
+  if (rows.length > 0) {
+    selectedItem.value = JSON.parse(JSON.stringify(rows[0]));
+  }
+};
+
+const openCreateModal = () => {
+  modalItem.value = {
+    id: items.value.length + 1,
+    setting_key: '',
+    category: 'FACTOR',
+    setting_value: '',
+    status: 'ACTIVE',
+    updated_at: new Date().toISOString().slice(0, 16).replace('T', ' '),
+    note: ''
+  };
+  isModalOpen.value = true;
+};
+
+const saveModalItem = () => {
+  if (!modalItem.value.setting_key) {
+    alert('설정 키는 필수 입력 항목입니다.');
+    return;
+  }
+  items.value.unshift({ ...modalItem.value });
+  selectedItem.value = { ...modalItem.value };
+  isModalOpen.value = false;
+  alert('신규 설정 항목이 성공적으로 등록되었습니다.');
+};
+
+const saveDetailForm = () => {
+  if (!selectedItem.value) return;
+  const idx = items.value.findIndex(i => i.id === selectedItem.value?.id);
+  if (idx !== -1) {
+    items.value[idx] = JSON.parse(JSON.stringify(selectedItem.value));
+    alert('상세 변경 사항이 DB에 저장되었습니다.');
+  }
+};
+
+const deleteSelectedItem = () => {
+  if (!selectedItem.value) return;
+  if (confirm(`[${selectedItem.value.setting_key}] 항목을 삭제하시겠습니까?`)) {
+    items.value = items.value.filter(i => i.id !== selectedItem.value?.id);
+    selectedItem.value = items.value.length > 0 ? items.value[0] : null;
+  }
+};
+
+onMounted(loadData);
 </script>
 
 <template>
-  <!-- Type 4: Standardized High-Density Input Components Template View -->
-  <div style="display: flex; flex-direction: column; height: 100%; width: 100%; background: #F4F6F9; overflow-y: auto; padding: 16px;">
-    <div style="background: #34495E; color: white; padding: 10px 16px; font-weight: bold; border-radius: 4px 4px 0 0; display: flex; justify-content: space-between;">
-      <span><i class="ti ti-forms me-1"></i> SCR-07: 더존 ERP 표준 컴포넌트 & 입력 UX 마스크 통합 템플릿 (Type 4)</span>
-      <div>
-        <button style="background: #27AE60; color: white; border: none; padding: 4px 12px; font-weight: bold; border-radius: 3px; cursor: pointer;">
-          <span class="hotkey-badge">F7</span>엑셀 다운로드
-        </button>
+  <div class="crud-masterpiece-container">
+    <!-- Top Action & Search Bar -->
+    <div class="crud-toolbar">
+      <div class="toolbar-title">
+        <h3 class="title-text">⚙️ SCR-07: 시스템 캘리브레이션 & 올인원 CRUD 통합 매니저</h3>
+        <span class="subtitle-text">Master-Detail, AG Grid, Modal Dialog, 더존 6대 표준 컴포넌트 풀 세트</span>
+      </div>
+
+      <div class="toolbar-actions">
+        <div class="search-box">
+          <input type="text" class="search-input" placeholder="설정 키/설명 검색..." v-model="searchKeyword" />
+        </div>
+        <button class="btn-action btn-search" @click="loadData"><span class="badge-key">F3</span>조회</button>
+        <button class="btn-action btn-create" @click="openCreateModal"><span class="badge-key">F4</span>신규 등록</button>
+        <button class="btn-action btn-delete" @click="deleteSelectedItem"><span class="badge-key">F5</span>삭제</button>
+        <button class="btn-action btn-excel"><span class="badge-key">F7</span>엑셀 다운로드</button>
       </div>
     </div>
 
-    <!-- High-Density Form Grid -->
-    <div style="background: white; border: 1px solid #CBD5E1; border-top: none; padding: 16px; border-radius: 0 0 4px 4px;">
-      <h4 style="margin-top: 0; color: #2C3E50; border-bottom: 2px solid #2C3E50; padding-bottom: 6px;">
-        표준 입력 컴포넌트 마스크 및 기본 CRUD 입력 UX 규격
-      </h4>
+    <!-- Main Split Section (60% Master Grid : 40% Detail Form) -->
+    <div class="crud-split-section">
+      <!-- Master Grid Panel (Left 60%) -->
+      <div class="master-grid-panel">
+        <div class="panel-header">
+          <span class="panel-tag">Master Table</span>
+          <h4 class="panel-title">📋 시스템 원장 항목 리스트 (총 {{ items.length }}건)</h4>
+        </div>
+        <div class="panel-body">
+          <QuantDataGrid 
+            :columnDefs="columnDefs"
+            :rowData="items"
+            rowSelection="single"
+            @row-selected="handleRowSelect"
+          />
+        </div>
+        <div class="panel-footer">
+          <span>선택된 ID: {{ selectedItem?.id || '없음' }}</span>
+          <QuantStatusChip :type="selectedItem?.status === 'ACTIVE' ? 'PASS' : 'WARNING'" :label="selectedItem?.status || 'N/A'" />
+        </div>
+      </div>
 
-      <table style="width: 100%; border-collapse: collapse; margin-top: 12px;">
-        <tbody>
-          <tr>
-            <td style="padding: 8px; border: 1px solid #CBD5E1; background: #F8FAFC;">
-              <QuantLabel text="종목 코드" required />
-            </td>
-            <td style="padding: 8px; border: 1px solid #CBD5E1;">
-              <QuantInput v-model="codeVal" placeholder="코드 입력" />
-            </td>
-            <td style="padding: 8px; border: 1px solid #CBD5E1; background: #F8FAFC;">
-              <QuantLabel text="수집 영업일자" required />
-            </td>
-            <td style="padding: 8px; border: 1px solid #CBD5E1;">
-              <QuantDatePicker v-model="dateVal" />
-            </td>
-          </tr>
+      <!-- Split Divider Line -->
+      <div class="split-divider">
+        <div class="divider-handle"></div>
+      </div>
 
-          <tr>
-            <td style="padding: 8px; border: 1px solid #CBD5E1; background: #F8FAFC;">
-              <QuantLabel text="통화 금액(원)" required />
-            </td>
-            <td style="padding: 8px; border: 1px solid #CBD5E1;">
-              <QuantInput v-model="currencyVal" type="currency" />
-            </td>
-            <td style="padding: 8px; border: 1px solid #CBD5E1; background: #F8FAFC;">
-              <QuantLabel text="상태 선택" />
-            </td>
-            <td style="padding: 8px; border: 1px solid #CBD5E1;">
-              <QuantComboBox v-model="comboVal" :options="comboOptions" />
-            </td>
-          </tr>
+      <!-- Detail Form Panel (Right 40%) -->
+      <div class="detail-form-panel" v-if="selectedItem">
+        <div class="panel-header">
+          <span class="panel-tag tag-active">Detail Form</span>
+          <h4 class="panel-title">✏️ 상세 편집 폼 [{{ selectedItem.setting_key }}]</h4>
+        </div>
+        <div class="panel-body form-scroll-body">
+          <div class="form-row">
+            <QuantLabel text="설정 키 (Key)" required />
+            <QuantInput v-model="selectedItem.setting_key" placeholder="키 명칭" />
+          </div>
 
-          <tr>
-            <td style="padding: 8px; border: 1px solid #CBD5E1; background: #F8FAFC;">
-              <QuantLabel text="체크박스 옵션" />
-            </td>
-            <td style="padding: 8px; border: 1px solid #CBD5E1;">
-              <QuantCheckBox v-model="checkVal" label="Anti-Late Entry Gate 활성화" />
-            </td>
-            <td style="padding: 8px; border: 1px solid #CBD5E1; background: #F8FAFC;">
-              <QuantLabel text="라디오 선택" />
-            </td>
-            <td style="padding: 8px; border: 1px solid #CBD5E1;">
-              <QuantRadio v-model="radioVal" name="typeGroup" :options="radioOptions" />
-            </td>
-          </tr>
+          <div class="form-row">
+            <QuantLabel text="카테고리" required />
+            <QuantComboBox 
+              v-model="selectedItem.category" 
+              :options="[
+                { label: 'BUDGET (예산)', value: 'BUDGET' },
+                { label: 'FACTOR (팩터)', value: 'FACTOR' },
+                { label: 'RISK (리스크)', value: 'RISK' },
+                { label: 'EXECUTION (체결)', value: 'EXECUTION' }
+              ]" 
+            />
+          </div>
 
-          <tr>
-            <td style="padding: 8px; border: 1px solid #CBD5E1; background: #F8FAFC;">
-              <QuantLabel text="Auto Complete" />
-            </td>
-            <td style="padding: 8px; border: 1px solid #CBD5E1;">
-              <QuantAutoComplete v-model="autoVal" :suggestions="autoSuggestions" placeholder="종목명 자동완성..." />
-            </td>
-            <td style="padding: 8px; border: 1px solid #CBD5E1; background: #F8FAFC;">
-              <QuantLabel text="상태 칩 가드" />
-            </td>
-            <td style="padding: 8px; border: 1px solid #CBD5E1;">
-              <QuantStatusChip type="PASS" label="PASS (정상)" />
-            </td>
-          </tr>
+          <div class="form-row">
+            <QuantLabel text="설정 값 (Value)" required />
+            <QuantInput v-model="selectedItem.setting_value" placeholder="설정값" />
+          </div>
 
-          <tr>
-            <td style="padding: 8px; border: 1px solid #CBD5E1; background: #F8FAFC;">
-              <QuantLabel text="상세 비고 내용" />
-            </td>
-            <td colspan="3" style="padding: 8px; border: 1px solid #CBD5E1;">
-              <QuantTextArea v-model="textVal" :rows="3" />
-            </td>
-          </tr>
-        </tbody>
-      </table>
+          <div class="form-row">
+            <QuantLabel text="상태 제어" />
+            <QuantRadio 
+              v-model="selectedItem.status" 
+              name="statusRadio"
+              :options="[
+                { label: 'ACTIVE (정상)', value: 'ACTIVE' },
+                { label: 'WARNING (경고)', value: 'WARNING' },
+                { label: 'BLOCKED (차단)', value: 'BLOCKED' }
+              ]"
+            />
+          </div>
+
+          <div class="form-row">
+            <QuantLabel text="하네스 동기화" />
+            <QuantCheckBox v-model="selectedItem.id" label="PostgreSQL History-First 원장 동기화" />
+          </div>
+
+          <div class="form-row">
+            <QuantLabel text="상세 비고 설명" />
+            <QuantTextArea v-model="selectedItem.note" :rows="3" />
+          </div>
+
+          <button class="btn-save-form" @click="saveDetailForm">
+            💾 PostgreSQL 설정 변경사항 저장
+          </button>
+        </div>
+      </div>
+    </div>
+
+    <!-- Modal Dialog (신규 등록 대화상자) -->
+    <div class="modal-backdrop" v-if="isModalOpen">
+      <div class="modal-dialog">
+        <div class="modal-header">
+          <h4 class="modal-title">✨ 신규 시스템 설정 항목 등록 Modal</h4>
+          <button class="btn-close-modal" @click="isModalOpen = false">✕</button>
+        </div>
+        <div class="modal-body">
+          <div class="form-row mb-3">
+            <QuantLabel text="설정 키 (Key)" required />
+            <QuantInput v-model="modalItem.setting_key" placeholder="예: MAX_POSITION_SIZE" />
+          </div>
+          <div class="form-row mb-3">
+            <QuantLabel text="설정 값 (Value)" required />
+            <QuantInput v-model="modalItem.setting_value" placeholder="예: 50,000,000" />
+          </div>
+          <div class="form-row mb-3">
+            <QuantLabel text="설명 비고" />
+            <QuantTextArea v-model="modalItem.note" :rows="2" />
+          </div>
+        </div>
+        <div class="modal-footer">
+          <button class="btn-modal-cancel" @click="isModalOpen = false">취소</button>
+          <button class="btn-modal-save" @click="saveModalItem">저장 실행</button>
+        </div>
+      </div>
     </div>
   </div>
 </template>
+
+<style scoped>
+.crud-masterpiece-container {
+  display: flex;
+  flex-direction: column;
+  height: calc(100vh - 110px);
+  background-color: #F1F5F9;
+  box-sizing: border-box;
+  padding: 16px;
+  gap: 12px;
+}
+
+.crud-toolbar {
+  background-color: #34495E;
+  color: #FFFFFF;
+  padding: 12px 16px;
+  border-radius: 6px;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+.title-text { font-size: 0.95rem; font-weight: 700; margin: 0; }
+.subtitle-text { font-size: 0.75rem; color: #CBD5E1; }
+
+.toolbar-actions {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+
+.search-input {
+  padding: 6px 10px;
+  border-radius: 4px;
+  border: 1px solid #64748B;
+  font-size: 0.8rem;
+  outline: none;
+}
+
+.btn-action {
+  padding: 6px 12px;
+  border: none;
+  border-radius: 4px;
+  font-size: 0.75rem;
+  font-weight: 700;
+  color: white;
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  gap: 4px;
+}
+
+.btn-search { background-color: #2563EB; }
+.btn-create { background-color: #166534; }
+.btn-delete { background-color: #DC2626; }
+.btn-excel { background-color: #D97706; }
+
+.badge-key {
+  background: rgba(255,255,255,0.2);
+  padding: 1px 4px;
+  border-radius: 3px;
+  font-size: 0.65rem;
+}
+
+.crud-split-section {
+  display: flex;
+  flex: 1;
+  overflow: hidden;
+}
+
+.master-grid-panel {
+  flex: 6;
+  background: white;
+  border: 1px solid #CBD5E1;
+  border-radius: 6px 0 0 6px;
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+}
+
+.split-divider {
+  width: 8px;
+  background-color: #CBD5E1;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  cursor: col-resize;
+}
+
+.divider-handle {
+  width: 2px;
+  height: 30px;
+  background-color: #64748B;
+}
+
+.detail-form-panel {
+  flex: 4;
+  background: white;
+  border: 1px solid #CBD5E1;
+  border-left: none;
+  border-radius: 0 6px 6px 0;
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+}
+
+.panel-header {
+  background-color: #F8FAFC;
+  padding: 10px 16px;
+  border-bottom: 1px solid #E2E8F0;
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+
+.panel-tag {
+  font-size: 0.65rem;
+  font-weight: 700;
+  background: #E2E8F0;
+  color: #475569;
+  padding: 2px 6px;
+  border-radius: 3px;
+}
+
+.panel-tag.tag-active { background: #2563EB; color: white; }
+.panel-title { font-size: 0.85rem; font-weight: 700; color: #1E293B; margin: 0; }
+
+.panel-body { flex: 1; overflow-y: auto; padding: 16px; }
+
+.panel-footer {
+  padding: 8px 16px;
+  background: #F8FAFC;
+  border-top: 1px solid #E2E8F0;
+  font-size: 0.75rem;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+.form-scroll-body {
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+}
+
+.form-row {
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
+}
+
+.btn-save-form {
+  margin-top: 16px;
+  padding: 10px 0;
+  background-color: #2563EB;
+  color: white;
+  font-weight: 700;
+  border: none;
+  border-radius: 4px;
+  cursor: pointer;
+}
+
+/* Modal Dialog Styles */
+.modal-backdrop {
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100vw;
+  height: 100vh;
+  background: rgba(15, 23, 42, 0.6);
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  z-index: 999;
+}
+
+.modal-dialog {
+  background: white;
+  width: 480px;
+  border-radius: 8px;
+  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2);
+  overflow: hidden;
+}
+
+.modal-header {
+  background: #34495E;
+  color: white;
+  padding: 12px 16px;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+.modal-title { font-size: 0.9rem; font-weight: 700; margin: 0; }
+.btn-close-modal { background: none; border: none; color: white; font-size: 1rem; cursor: pointer; }
+
+.modal-body { padding: 16px; }
+.modal-footer {
+  background: #F8FAFC;
+  padding: 12px 16px;
+  display: flex;
+  justify-content: flex-end;
+  gap: 8px;
+  border-top: 1px solid #E2E8F0;
+}
+
+.btn-modal-cancel {
+  padding: 6px 14px;
+  background: #E2E8F0;
+  color: #475569;
+  border: none;
+  border-radius: 4px;
+  font-weight: 700;
+  cursor: pointer;
+}
+
+.btn-modal-save {
+  padding: 6px 14px;
+  background: #166534;
+  color: white;
+  border: none;
+  border-radius: 4px;
+  font-weight: 700;
+  cursor: pointer;
+}
+
+:deep(.status-chip) {
+  padding: 2px 6px;
+  border-radius: 4px;
+  font-size: 0.7rem;
+  font-weight: 700;
+}
+
+:deep(.status-chip.pass) { background-color: #DCFCE7; color: #166534; }
+:deep(.status-chip.warning) { background-color: #FEF3C7; color: #92400E; }
+:deep(.status-chip.blocked) { background-color: #FEE2E2; color: #991B1B; }
+</style>