feat: 招商银行 PDF 账单导入、跨格式去重与导入性能优化

- 新增招商银行「交易流水」PDF 解析（PDFBox 坐标还原，支持多页与折行），CSV/PDF 去重标识统一，支持跨格式去重
- 账单导入改为批量插入，MyBatis 日志改 Slf4j，导入接口超时放宽至 120s
- 交易导出 Excel 增加样式、冻结表头与自动筛选，导出前二次确认
- 交易列表展示不计入统计金额，导入预览支持设置「计入统计」

frontend/src/views/BillImportPanel.vue

@@ -66,7 +66,7 @@ const allowedExtensions: Record<BillType, string[]> = {
   ALIPAY: ['.csv', '.zip'],
   WECHAT: ['.xlsx', '.zip'],
   MEITUAN: ['.csv', '.zip'],
-  CMB: ['.csv', '.zip'],
+  CMB: ['.csv', '.pdf', '.zip'],
   BOCOM: ['.xls', '.zip'],
 }
 
@@ -221,6 +221,18 @@ const columns = computed<DataTableColumns<ParsedBillRow>>(() => [
       )
     },
   },
+  {
+    title: t('import.column.includeInStats'),
+    key: 'includeInStats',
+    width: 100,
+    align: 'center',
+    render: (row) =>
+      h(NCheckbox, {
+        checked: !!row.includeInStats,
+        disabled: !row.importable,
+        onUpdateChecked: (v: boolean) => toggleIncludeInStats(row, v),
+      }),
+  },
   {
     title: t('import.column.amount'),
     key: 'amount',
@@ -389,6 +401,22 @@ function toggleAll(checked: boolean) {
   checkedRowNos.value = checked ? selectableRows.value.map((r) => r.rowNo) : []
 }
 
+/** 切换单行是否计入统计 */
+function toggleIncludeInStats(row: ParsedBillRow, value: boolean) {
+  row.includeInStats = value
+}
+
+/** 批量设置已勾选行的计入统计标记 */
+function setCheckedIncludeInStats(value: boolean) {
+  if (checkedRows.value.length === 0) {
+    message.warning(t('import.selectAtLeastOne'))
+    return
+  }
+  checkedRows.value.forEach((row) => {
+    row.includeInStats = value
+  })
+}
+
 /** 确认导入 */
 async function handleConfirm() {
   if (checkedRows.value.length === 0) {
@@ -544,6 +572,12 @@ onMounted(() => {
       >
         {{ t('import.selectAll') }}
       </NCheckbox>
+      <NButton size="small" :disabled="checkedRows.length === 0" @click="setCheckedIncludeInStats(true)">
+        {{ t('import.setIncluded') }}
+      </NButton>
+      <NButton size="small" :disabled="checkedRows.length === 0" @click="setCheckedIncludeInStats(false)">
+        {{ t('import.setExcluded') }}
+      </NButton>
       <NText depth="3">{{ t('import.previewSummary', { total: rows.length, filtered: filteredRows.length, checked: checkedRows.length }) }}</NText>
     </NSpace>