diff --git a/src/frontend/src/components/QuantDataGrid.vue b/src/frontend/src/components/QuantDataGrid.vue
index 24050163..e8d9d61f 100644
--- a/src/frontend/src/components/QuantDataGrid.vue
+++ b/src/frontend/src/components/QuantDataGrid.vue
@@ -1,168 +1,59 @@
-<script setup lang="ts">
-import { ref, computed } from 'vue';
-import { AgGridVue } from 'ag-grid-vue3';
-import GridHeaderToolbar from './grid/GridHeaderToolbar.vue';
-import type { ColDef, GridApi, GridReadyEvent, FirstDataRenderedEvent, CellValueChangedEvent, RowSelectionOptions } from 'ag-grid-community';
-
-const props = defineProps<{
-  columnDefs: ColDef[];
-  rowData: any[];
-  rowSelection?: 'single' | 'multiple' | RowSelectionOptions;
-  filename?: string;
-}>();
-
-const emit = defineEmits(['row-selected', 'cell-value-changed', 'cell-double-clicked']);
-const gridApi = ref<GridApi | null>(null);
-const selectedCount = ref(0);
-const quickFilterText = ref('');
-
-// AG Grid v36 rowSelection deprecation 대응
-const normalizedRowSelection = computed<RowSelectionOptions>(() => {
-  if (typeof props.rowSelection === 'object' && props.rowSelection !== null) {
-    return props.rowSelection;
-  }
-  if (props.rowSelection === 'multiple') {
-    return { mode: 'multiRow' };
-  }
-  return { mode: 'singleRow' };
-});
-
-const onGridReady = (params: GridReadyEvent) => {
-  gridApi.value = params.api;
-  setTimeout(() => {
-    params.api.sizeColumnsToFit();
-  }, 100);
-};
-
-const onFirstDataRendered = (params: FirstDataRenderedEvent) => {
-  params.api.sizeColumnsToFit();
-};
-
-const onSelectionChanged = () => {
-  if (!gridApi.value) return;
-  const selectedNodes = gridApi.value.getSelectedNodes();
-  selectedCount.value = selectedNodes.length;
-  const selectedData = selectedNodes.map(node => node.data);
-  emit('row-selected', selectedRowPayload(selectedData));
-};
-
-const onCellDoubleClicked = (event: any) => {
-  emit('cell-double-clicked', event);
-};
-
-const selectedRowPayload = (selectedData: any[]) => {
-  if (props.rowSelection === 'multiple' || (typeof props.rowSelection === 'object' && props.rowSelection?.mode === 'multiRow')) {
-    return selectedData;
-  }
-  return selectedData.length > 0 ? selectedData[0] : null;
-};
-
-const onCellValueChanged = (event: CellValueChangedEvent) => {
-  emit('cell-value-changed', event);
-};
-
-const resetGridState = () => {
-  if (!gridApi.value) return;
-  gridApi.value.setFilterModel(null);
-  gridApi.value.resetColumnState();
-  quickFilterText.value = '';
-  gridApi.value.sizeColumnsToFit();
-};
-
-const autoSizeColumns = () => {
-  if (!gridApi.value) return;
-  gridApi.value.sizeColumnsToFit();
-};
-
-const exportToCsv = () => {
-  if (!gridApi.value) return;
-  gridApi.value.exportDataAsCsv({
-    fileName: `${props.filename || 'quant_grid_export'}_${new Date().toISOString().substring(0, 10)}.csv`
-  });
-};
-
-defineExpose({ exportToExcel: exportToCsv, resetGridState, autoSizeColumns, gridApi });
-</script>
-
+<!-- PrimeVue DataTable Adapter Wrapper: QuantDataGrid -->
 <template>
-  <div class="quant-grid-masterpiece-container flex flex-col h-full w-full border border-slate-300 bg-white rounded-md overflow-hidden shadow-sm">
-    <!-- Componentized Grid Header Toolbar (GridHeaderToolbar) -->
-    <GridHeaderToolbar 
-      v-model:quickFilterText="quickFilterText"
-      :totalCount="rowData.length"
-      :selectedCount="selectedCount"
-      :columnCount="columnDefs.length"
-      @reset="resetGridState"
-      @autoSize="autoSizeColumns"
-      @exportCsv="exportToCsv"
-    />
+  <div class="quant-datagrid-wrapper w-full overflow-hidden border border-slate-300 rounded-lg shadow-2xs bg-white">
+    <DataTable
+      :value="items"
+      :loading="loading"
+      :paginator="paginator"
+      :rows="rows || 10"
+      :rowsPerPageOptions="[10, 25, 50, 100]"
+      dataKey="id"
+      responsiveLayout="scroll"
+      class="p-datatable-sm w-full text-xs"
+      tableStyle="min-width: 50rem"
+    >
+      <template #empty>
+        <div class="text-center py-6 text-slate-400 font-medium">
+          조회된 데이터가 없습니다.
+        </div>
+      </template>
 
-    <!-- AG Grid Container (Auto-Fit Columns & Compact High-Density View) -->
-    <div class="flex-1 ag-theme-alpine w-full grid-wrapper">
-      <ag-grid-vue
-        class="h-full w-full quant-ag-grid-instance"
-        theme="legacy"
-        :columnDefs="columnDefs"
-        :rowData="rowData"
-        :quickFilterText="quickFilterText"
-        :rowHeight="36"
-        :headerHeight="38"
-        :defaultColDef="{
-          resizable: true,
-          sortable: true,
-          filter: true,
-          flex: 1,
-          minWidth: 90
-        }"
-        :rowSelection="normalizedRowSelection"
-        @grid-ready="onGridReady"
-        @first-data-rendered="onFirstDataRendered"
-        @selection-changed="onSelectionChanged"
-        @cell-value-changed="onCellValueChanged"
-        @cell-double-clicked="onCellDoubleClicked"
-      />
-    </div>
+      <Column
+        v-for="col in headers"
+        :key="col.key"
+        :field="col.key"
+        :header="col.label"
+        :style="{ width: col.width || 'auto', textAlign: col.align || 'left' }"
+        sortable
+      >
+        <template #body="slotProps">
+          <slot :name="col.key" :item="slotProps.data" :value="slotProps.data[col.key]">
+            <span class="font-medium text-slate-800">
+              {{ slotProps.data[col.key] ?? '-' }}
+            </span>
+          </slot>
+        </template>
+      </Column>
+    </DataTable>
   </div>
 </template>
 
-<style scoped>
-.quant-grid-masterpiece-container {
-  min-height: 480px;
+<script setup lang="ts">
+import DataTable from 'primevue/datatable';
+import Column from 'primevue/column';
+
+export interface GridColumn {
+  key: string;
+  label: string;
+  width?: string;
+  align?: 'left' | 'center' | 'right';
 }
 
-.grid-wrapper {
-  height: calc(100% - 44px);
-  min-height: 440px;
-  display: flex;
-  flex-direction: column;
-}
-
-.quant-ag-grid-instance {
-  height: 100% !important;
-  min-height: 440px !important;
-  flex: 1;
-}
-
-.ag-theme-alpine {
-  --ag-header-background-color: #F8FAFC;
-  --ag-header-foreground-color: #1E293B;
-  --ag-selected-row-background-color: rgba(37, 99, 235, 0.12);
-  --ag-row-hover-color: rgba(226, 232, 240, 0.5);
-  --ag-font-size: 12px;
-  --ag-font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
-  --ag-border-color: #E2E8F0;
-}
-
-:deep(.ag-cell) {
-  display: flex;
-  align-items: center;
-  white-space: nowrap;
-  text-overflow: ellipsis;
-  overflow: hidden;
-}
-
-:deep(.ag-header-cell-label) {
-  font-weight: 700;
-  color: #334155;
-}
-</style>
+const props = defineProps<{
+  headers: GridColumn[];
+  items: any[];
+  loading?: boolean;
+  paginator?: boolean;
+  rows?: number;
+}>();
+</script>
diff --git a/src/frontend/src/components/QuantDatePicker.vue b/src/frontend/src/components/QuantDatePicker.vue
index d66fb617..dce94e7c 100644
--- a/src/frontend/src/components/QuantDatePicker.vue
+++ b/src/frontend/src/components/QuantDatePicker.vue
@@ -1,51 +1,57 @@
-<script setup lang="ts">
-import { ref, computed } from 'vue'
-
-const props = defineProps<{
-  modelValue: string
-  readonly?: boolean
-}>()
-
-const emit = defineEmits(['update:modelValue', 'enter'])
-
-const isFocused = ref(false)
-
-const formattedDate = computed(() => {
-  const v = String(props.modelValue || '').replace(/[^0-9]/g, '')
-  if (v.length === 8) {
-    return `${v.substring(0,4)}-${v.substring(4,6)}-${v.substring(6,8)}`
-  }
-  return props.modelValue
-})
-
-const onInput = (e: Event) => {
-  const target = e.target as HTMLInputElement
-  const raw = target.value.replace(/[^0-9]/g, '')
-  emit('update:modelValue', raw)
-}
-
-const onKeyDown = (e: KeyboardEvent) => {
-  if (e.key === 'Enter') emit('enter')
-}
-</script>
-
+<!-- PrimeVue DatePicker Adapter Wrapper: QuantDatePicker -->
 <template>
-  <div style="display: inline-flex; align-items: center; width: 100%;">
-    <input
-      :value="formattedDate"
-      type="text"
-      placeholder="YYYY-MM-DD"
-      :readonly="readonly"
-      :style="{
-        borderColor: isFocused ? '#2980B9' : '#CBD5E1',
-        boxShadow: isFocused ? '0 0 4px rgba(41, 128, 185, 0.4)' : 'none',
-        backgroundColor: readonly ? '#ECF0F1' : '#FFFFFF'
-      }"
-      style="width: 100%; padding: 4px 8px; border: 1px solid #CBD5E1; border-radius: 2px; font-size: 12px; font-weight: bold; outline: none;"
-      @focus="isFocused = true"
-      @blur="isFocused = false"
-      @input="onInput"
-      @keydown="onKeyDown"
+  <div class="quant-datepicker-wrapper flex flex-col gap-1 w-full">
+    <label v-if="label" class="text-xs font-bold text-slate-800">
+      {{ label }} <span v-if="required" class="text-rose-600">*</span>
+    </label>
+    <DatePicker
+      :id="id"
+      :modelValue="dateValue"
+      dateFormat="yy-mm-dd"
+      :placeholder="placeholder || 'YYYY-MM-DD'"
+      :disabled="disabled"
+      class="w-full text-xs"
+      inputClass="w-full h-9 px-3 border border-slate-300 rounded text-xs text-slate-900 font-medium bg-white placeholder:text-slate-400 focus:ring-2 focus:ring-blue-500 focus:border-blue-500 disabled:bg-slate-100"
+      showIcon
+      iconDisplay="input"
+      @update:modelValue="onDateChange"
     />
   </div>
 </template>
+
+<script setup lang="ts">
+import { computed } from 'vue';
+import DatePicker from 'primevue/datepicker';
+
+const props = defineProps<{
+  id?: string;
+  label?: string;
+  modelValue?: string | Date;
+  placeholder?: string;
+  required?: boolean;
+  disabled?: boolean;
+}>();
+
+const emit = defineEmits(['update:modelValue', 'change']);
+
+const dateValue = computed(() => {
+  if (!props.modelValue) return null;
+  if (props.modelValue instanceof Date) return props.modelValue;
+  const d = new Date(props.modelValue);
+  return isNaN(d.getTime()) ? null : d;
+});
+
+const onDateChange = (val: Date | null) => {
+  if (!val) {
+    emit('update:modelValue', '');
+    emit('change', '');
+    return;
+  }
+  const yyyy = val.getFullYear();
+  const mm = String(val.getMonth() + 1).padStart(2, '0');
+  const dd = String(val.getDate()).padStart(2, '0');
+  const strVal = `${yyyy}-${mm}-${dd}`;
+  emit('update:modelValue', strVal);
+  emit('change', strVal);
+};
+</script>
diff --git a/src/frontend/src/components/QuantMasterGrid.vue b/src/frontend/src/components/QuantMasterGrid.vue
index 76f99cdb..3bbfbf15 100644
--- a/src/frontend/src/components/QuantMasterGrid.vue
+++ b/src/frontend/src/components/QuantMasterGrid.vue
@@ -1,86 +1,63 @@
-<script setup lang="ts">
-const props = defineProps<{
-  title?: string
-  headers: Array<{ key: string; label: string; width?: string; align?: 'left' | 'center' | 'right' }>
-  items: any[]
-  loading?: boolean
-  selectedId?: any
-}>()
-
-const emit = defineEmits(['selectRow', 'create', 'refresh'])
-
-const onRowClick = (item: any) => {
-  emit('selectRow', item)
-}
-</script>
-
+<!-- PrimeVue DataTable Adapter Wrapper: QuantMasterGrid -->
 <template>
-  <div class="card shadow-sm border h-100 d-flex flex-column">
-    <div class="card-header bg-navy text-white d-flex justify-content-between align-items-center py-2 px-3">
-      <h5 class="card-title m-0 font-weight-bold text-white fs-6">
-        <i class="ti ti-list me-1"></i> {{ title || '데이터 그리드 목록' }}
-      </h5>
-      <div class="d-flex gap-2">
-        <button type="button" class="btn btn-sm btn-primary fw-bold" @click="emit('create')">
-          <i class="ti ti-plus me-1"></i> 신규 등록
-        </button>
-        <button type="button" class="btn btn-sm btn-outline-light fw-bold" @click="emit('refresh')">
-          <i class="ti ti-refresh me-1"></i> 새로고침
-        </button>
-      </div>
-    </div>
+  <div class="quant-master-grid-wrapper w-full overflow-hidden border border-slate-300 rounded shadow-2xs bg-white">
+    <DataTable
+      :value="items || []"
+      dataKey="id"
+      responsiveLayout="scroll"
+      class="p-datatable-sm w-full text-xs"
+      :style="{ maxHeight: height ? height + 'px' : '300px' }"
+    >
+      <template #empty>
+        <div class="text-center py-4 text-slate-400 font-medium">
+          마스터 데이터가 없습니다.
+        </div>
+      </template>
 
-    <div class="table-responsive flex-grow-1">
-      <table class="table table-hover table-vcenter card-table text-nowrap mb-0">
-        <thead class="bg-light">
-          <tr>
-            <th
-              v-for="h in headers"
-              :key="h.key"
-              :style="{ width: h.width || 'auto', textAlign: h.align || 'left' }"
-              class="fw-bold fs-7 text-uppercase"
-            >
-              {{ h.label }}
-            </th>
-          </tr>
-        </thead>
-        <tbody>
-          <template v-if="items && items.length > 0">
-            <tr
-              v-for="(item, idx) in items"
-              :key="idx"
-              :class="{ 'table-active fw-bold': selectedId && item.id === selectedId }"
-              style="cursor: pointer;"
-              @click="onRowClick(item)"
-            >
-              <td
-                v-for="h in (headers || [])"
-                :key="h.key"
-                :style="{ textAlign: h.align || 'left' }"
-                class="fs-7"
-              >
-                <slot :name="`cell-${h.key}`" :item="item" :value="item[h.key]">
-                  {{ item[h.key] }}
-                </slot>
-              </td>
-            </tr>
-          </template>
-          <template v-else>
-            <tr>
-              <td :colspan="(headers || []).length || 1" class="text-center py-4 text-muted">
-                <i class="ti ti-database-off fs-2 d-block mb-1"></i>
-                조회된 데이터가 없습니다.
-              </td>
-            </tr>
-          </template>
-        </tbody>
-      </table>
-    </div>
+      <Column
+        v-for="col in gridHeaders"
+        :key="col.key"
+        :field="col.key"
+        :header="col.label"
+        :style="{ width: col.width || 'auto', textAlign: col.align || 'left' }"
+      >
+        <template #body="slotProps">
+          <slot :name="col.key" :item="slotProps.data" :value="slotProps.data[col.key]">
+            <span class="font-medium text-slate-800">
+              {{ slotProps.data[col.key] ?? '-' }}
+            </span>
+          </slot>
+        </template>
+      </Column>
+    </DataTable>
   </div>
 </template>
 
-<style scoped>
-.bg-navy {
-  background-color: #1E293B;
+<script setup lang="ts">
+import { computed } from 'vue';
+import DataTable from 'primevue/datatable';
+import Column from 'primevue/column';
+
+export interface GridHeader {
+  key: string;
+  label: string;
+  width?: string;
+  align?: 'left' | 'center' | 'right';
 }
-</style>
+
+const props = defineProps<{
+  headers?: GridHeader[];
+  items?: any[];
+  height?: number;
+}>();
+
+const gridHeaders = computed(() => {
+  if (props.headers && props.headers.length > 0) return props.headers;
+  // Fallback defaults if not supplied
+  return [
+    { key: 'code', label: '코드', width: '120px' },
+    { key: 'name', label: '명칭' },
+    { key: 'status', label: '상태', width: '90px', align: 'center' }
+  ];
+});
+</script>
diff --git a/src/frontend/src/components/QuantStatusChip.vue b/src/frontend/src/components/QuantStatusChip.vue
index e0385ab2..ebace8f4 100644
--- a/src/frontend/src/components/QuantStatusChip.vue
+++ b/src/frontend/src/components/QuantStatusChip.vue
@@ -1,18 +1,31 @@
-<script setup lang="ts">
-defineProps<{
-  type: 'PASS' | 'LIMIT' | 'FAIL' | 'ACTIVE' | 'ARCHIVED' | 'APPROVED' | 'SHADOW'
-  label?: string
-}>()
-</script>
-
+<!-- PrimeVue Tag Adapter Wrapper: QuantStatusChip -->
 <template>
-  <span
-    :style="{
-      backgroundColor: type === 'PASS' || type === 'ACTIVE' || type === 'APPROVED' ? '#E8F8F5' : type === 'LIMIT' ? '#FEF9E7' : '#FDEDEC',
-      color: type === 'PASS' || type === 'ACTIVE' || type === 'APPROVED' ? '#117864' : type === 'LIMIT' ? '#B9770E' : '#922B21',
-      border: '1px solid ' + (type === 'PASS' || type === 'ACTIVE' || type === 'APPROVED' ? '#2ECC71' : type === 'LIMIT' ? '#F39C12' : '#E74C3C')
-    }"
-    style="padding: 2px 8px; border-radius: 10px; font-weight: bold; font-size: 11px; display: inline-block;">
-    {{ label || type }}
-  </span>
+  <Tag
+    :value="label || status"
+    :severity="severity"
+    class="quant-status-chip font-bold px-2 py-0.5 text-[11px] rounded shadow-2xs"
+  />
 </template>
+
+<script setup lang="ts">
+import { computed } from 'vue';
+import Tag from 'primevue/tag';
+
+const props = defineProps<{
+  status?: string;
+  label?: string;
+  type?: 'success' | 'warning' | 'danger' | 'info' | 'secondary';
+}>();
+
+const severity = computed(() => {
+  if (props.type) {
+    if (props.type === 'danger') return 'warn'; // or 'danger'
+    return props.type;
+  }
+  const s = (props.status || '').toLowerCase();
+  if (s.includes('완료') || s.includes('승인') || s.includes('success') || s.includes('active')) return 'success';
+  if (s.includes('대기') || s.includes('진행') || s.includes('warning') || s.includes('pending')) return 'warn';
+  if (s.includes('반려') || s.includes('오류') || s.includes('취소') || s.includes('error') || s.includes('failed')) return 'danger';
+  return 'secondary';
+});
+</script>
diff --git a/src/frontend/src/components/QuantTabPanel.vue b/src/frontend/src/components/QuantTabPanel.vue
index b465469c..b9a33190 100644
--- a/src/frontend/src/components/QuantTabPanel.vue
+++ b/src/frontend/src/components/QuantTabPanel.vue
@@ -1,74 +1,64 @@
-<script setup lang="ts">
-import { ref } from 'vue'
-
-interface TabItem {
-  id: string
-  label: string
-  icon?: string
-  badge?: string | number
-}
-
-const props = defineProps<{
-  tabs: TabItem[]
-  activeTabId?: string
-}>()
-
-const emit = defineEmits(['changeTab'])
-
-const currentTab = ref(props.activeTabId || (props.tabs.length > 0 ? props.tabs[0].id : ''))
-
-const selectTab = (tabId: string) => {
-  currentTab.value = tabId
-  emit('changeTab', tabId)
-}
-</script>
-
+<!-- PrimeVue Tabs Adapter Wrapper: QuantTabPanel -->
 <template>
-  <div class="card shadow-sm border w-100 h-100 d-flex flex-column">
-    <!-- Header with Tab Controls -->
-    <div class="card-header bg-navy text-white p-0 d-flex justify-content-between align-items-center">
-      <ul class="nav nav-tabs card-header-tabs m-0 border-0">
-        <li v-for="tab in tabs" :key="tab.id" class="nav-item">
-          <button
-            type="button"
-            class="nav-link px-3 py-2 border-0 fw-bold fs-7 rounded-0"
-            :class="{ 'active bg-white text-navy': currentTab === tab.id, 'text-light': currentTab !== tab.id }"
-            @click="selectTab(tab.id)"
-          >
-            <i v-if="tab.icon" :class="[tab.icon, 'me-1']"></i>
-            {{ tab.label }}
-            <span v-if="tab.badge" class="badge bg-primary ms-1 fs-8">{{ tab.badge }}</span>
-          </button>
-        </li>
-      </ul>
-      <div class="pe-3">
-        <slot name="header-actions"></slot>
-      </div>
-    </div>
+  <div class="quant-tab-panel-wrapper w-full flex flex-col h-full">
+    <Tabs :value="activeTabId" class="w-full h-full flex flex-col" @update:value="onTabChange">
+      <TabList class="bg-slate-100 border-b border-slate-300">
+        <Tab
+          v-for="tab in tabs"
+          :key="tab.id"
+          :value="tab.id"
+          class="px-4 py-2.5 text-xs font-bold text-slate-700 focus:outline-none cursor-pointer border-b-2 border-transparent data-[p-active=true]:border-blue-600 data-[p-active=true]:text-blue-600"
+        >
+          {{ tab.label }}
+          <span v-if="tab.badge" class="ml-1.5 px-1.5 py-0.5 rounded-full text-[10px] bg-slate-200 text-slate-700">
+            {{ tab.badge }}
+          </span>
+        </Tab>
+      </TabList>
 
-    <!-- Tab Content Body Area -->
-    <div class="card-body p-3 flex-grow-1 overflow-auto bg-light">
-      <template v-for="tab in tabs" :key="tab.id">
-        <div v-show="currentTab === tab.id" class="h-100">
-          <slot :name="`tab-${tab.id}`">
-            <div class="text-muted p-3 text-center">
-              [{{ tab.label }}] 탭 영역입니다.
-            </div>
-          </slot>
-        </div>
-      </template>
-    </div>
+      <TabPanels class="flex-1 p-4 bg-white overflow-y-auto">
+        <TabPanel v-for="tab in tabs" :key="tab.id" :value="tab.id">
+          <slot :name="tab.id"></slot>
+        </TabPanel>
+      </TabPanels>
+    </Tabs>
   </div>
 </template>
 
-<style scoped>
-.bg-navy {
-  background-color: #1E293B;
+<script setup lang="ts">
+import { ref, watch } from 'vue';
+import Tabs from 'primevue/tabs';
+import TabList from 'primevue/tablist';
+import Tab from 'primevue/tab';
+import TabPanels from 'primevue/tabpanels';
+import TabPanel from 'primevue/tabpanel';
+
+export interface TabItem {
+  id: string;
+  label: string;
+  badge?: string | number;
 }
-.text-navy {
-  color: #1E293B !important;
-}
-.nav-link.active {
-  border-top: 3px solid #3B82F6 !important;
-}
-</style>
+
+const props = defineProps<{
+  tabs: TabItem[];
+  modelValue?: string;
+}>();
+
+const emit = defineEmits(['update:modelValue', 'tab-change']);
+
+const activeTabId = ref<string>(props.modelValue || (props.tabs[0] ? props.tabs[0].id : ''));
+
+watch(
+  () => props.modelValue,
+  (newVal) => {
+    if (newVal) activeTabId.value = newVal;
+  }
+);
+
+const onTabChange = (val: string | number | undefined) => {
+  const strVal = String(val ?? '');
+  activeTabId.value = strVal;
+  emit('update:modelValue', strVal);
+  emit('tab-change', strVal);
+};
+</script>