feat(platform): add customer mileage workbench

vehicle-data-platform/apps/web/src/pages/Mileage.tsx

@@ -838,6 +838,59 @@ export function Mileage({
       detail: `${onlineVehicleCount.toLocaleString()} 在线 / ${offlineVehicleCount.toLocaleString()} 离线`
     }
   ];
+  const mileageCustomerWorkbenchItems = [
+    {
+      label: '区间里程',
+      value: `${formatKm(summary.totalMileageKm)} km`,
+      detail: `${summary.vehicleCount.toLocaleString()} 辆车，${mileageRangeText}。`,
+      color: 'blue' as const,
+      action: '复制摘要',
+      disabled: false,
+      onClick: () => copyStatisticsSummary()
+    },
+    {
+      label: '每日闭合',
+      value: closureStatus,
+      detail: closureDeltaKm == null ? `当前页覆盖 ${formatPercent(pageCoverageRate)}，发布前需要拉齐全量。` : `闭合差值 ${formatKm(Math.abs(closureDeltaKm))} km。`,
+      color: closureStatusColor,
+      action: '发布审计',
+      disabled: false,
+      onClick: () => copyPublishAudit()
+    },
+    {
+      label: '轨迹回放',
+      value: peakMileage?.date || mileageRangeText,
+      detail: peakMileage ? `${peakMileage.plate || peakMileage.vin} 最大单日 ${formatKm(peakMileage.dailyMileageKm)} km。` : '选择车辆后用同一时间窗回放轨迹。',
+      color: currentVehicleKeyword ? 'blue' as const : 'grey' as const,
+      action: '回放轨迹',
+      disabled: !currentVehicleKeyword || !onOpenHistory,
+      onClick: () => {
+        if (peakMileage) {
+          openMileageEvidence(peakMileage);
+          return;
+        }
+        onOpenHistory?.({ keyword: currentVehicleKeyword, protocol: currentProtocol, dateFrom: filters.dateFrom ?? '', dateTo: filters.dateTo ?? '' });
+      }
+    },
+    {
+      label: '历史导出',
+      value: `${rows.length.toLocaleString()} 条`,
+      detail: `当前页覆盖 ${formatPercent(pageCoverageRate)}，用于客户对账和 BI 复核。`,
+      color: rows.length > 0 ? 'blue' as const : 'grey' as const,
+      action: '导出明细',
+      disabled: rows.length === 0,
+      onClick: () => exportMileage()
+    },
+    {
+      label: '告警通知',
+      value: `${offlineVehicleCount.toLocaleString()} 离线`,
+      detail: offlineVehicleCount > 0 ? '离线会影响定位、里程解释和客户通知。' : '当前在线状态未形成主要统计风险。',
+      color: offlineVehicleCount > 0 ? 'orange' as const : 'green' as const,
+      action: '在线态势',
+      disabled: false,
+      onClick: () => copyOnlineOperationsReport()
+    }
+  ];
   const mileageCustomerActions = [
     {
       label: '导出当前明细',
@@ -1446,6 +1499,40 @@ export function Mileage({
           </Button>
         )}
       />
+      <section className="vp-mileage-customer-workbench" aria-label="客户里程统计工作台">
+        <div className="vp-mileage-customer-workbench-main">
+          <Space wrap>
+            <Tag color="blue">客户里程统计工作台</Tag>
+            <Tag color={mileageDeliveryColor}>{mileageDeliveryState}</Tag>
+            <Tag color={publishAuditColor}>{publishAuditConclusion}</Tag>
+          </Space>
+          <Typography.Title heading={5} style={{ margin: 0 }}>
+            统计页先回答客户这段时间跑了多少、每日是否闭合、异常在哪里、能否导出。
+          </Typography.Title>
+          <div className="vp-mileage-customer-workbench-meta">
+            <span>车辆范围：{currentVehicleKeyword || '全部车辆'}</span>
+            <span>时间范围：{mileageRangeText}</span>
+            <span>来源证据只用于统计可信度：{currentProtocol || '全部数据通道'}</span>
+          </div>
+        </div>
+        <div className="vp-mileage-customer-workbench-grid">
+          {mileageCustomerWorkbenchItems.map((item) => (
+            <button
+              key={item.label}
+              type="button"
+              className="vp-mileage-customer-workbench-item"
+              disabled={item.disabled}
+              onClick={item.onClick}
+              aria-label={`客户里程统计工作台 ${item.label} ${item.value} ${item.action}`}
+            >
+              <Tag color={item.color}>{item.label}</Tag>
+              <strong>{item.value}</strong>
+              <span>{item.detail}</span>
+              <em>{item.action}</em>
+            </button>
+          ))}
+        </div>
+      </section>
       <section className="vp-mileage-reconciliation-desk" aria-label="客户里程对账台">
         <div className="vp-mileage-reconciliation-summary">
           <Space wrap>