feat(platform): add mileage conclusion strip

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

@@ -891,6 +891,67 @@ export function Mileage({
       onClick: () => copyOnlineOperationsReport()
     }
   ];
+  const mileageConclusionItems = [
+    {
+      label: '区间累计',
+      value: `${formatKm(summary.totalMileageKm)} km`,
+      detail: `${summary.vehicleCount.toLocaleString()} 辆车，${mileageRangeText}`,
+      color: 'blue' as const,
+      onClick: () => copyStatisticsSummary()
+    },
+    {
+      label: '明细合计',
+      displayLabel: '当前明细',
+      value: `${formatKm(pageMileageTotal)} km`,
+      detail: `${rows.length.toLocaleString()} 条当前页明细，覆盖 ${formatPercent(pageCoverageRate)}`,
+      color: pageCoverageRate >= 100 ? 'green' as const : 'orange' as const,
+      onClick: () => exportMileage()
+    },
+    {
+      label: '异常记录',
+      value: `${anomalyRows.length.toLocaleString()} 条`,
+      detail: anomalyRows[0] ? `${anomalyRows[0].plate || anomalyRows[0].vin} / ${anomalyRows[0].date}` : '当前页未发现异常',
+      color: anomalyRows.length > 0 ? 'orange' as const : 'green' as const,
+      onClick: () => anomalyRows[0] ? copyMileageEvidence(anomalyRows[0]) : copyMileageDecision()
+    },
+    {
+      label: '在线影响',
+      value: `${offlineVehicleCount.toLocaleString()} 离线`,
+      detail: `${onlineVehicleCount.toLocaleString()} 在线，在线率 ${formatPercent(onlineRatePercent)}`,
+      color: offlineVehicleCount > 0 ? 'orange' as const : 'green' as const,
+      onClick: () => copyOnlineOperationsReport()
+    }
+  ];
+  const mileageConclusionActions = [
+    {
+      label: '复制结论',
+      action: '复制摘要',
+      color: 'blue' as const,
+      disabled: false,
+      onClick: () => copyMileageDeliveryPackage()
+    },
+    {
+      label: '轨迹复核',
+      action: '轨迹回放',
+      color: currentVehicleKeyword ? 'blue' as const : 'grey' as const,
+      disabled: !currentVehicleKeyword || !onOpenHistory,
+      onClick: () => onOpenHistory?.({ keyword: currentVehicleKeyword, protocol: currentProtocol, dateFrom: filters.dateFrom ?? '', dateTo: filters.dateTo ?? '' })
+    },
+    {
+      label: '导出明细',
+      action: '导出CSV',
+      color: rows.length > 0 ? 'blue' as const : 'grey' as const,
+      disabled: rows.length === 0,
+      onClick: () => exportMileage()
+    },
+    {
+      label: '告警通知',
+      action: '在线态势',
+      color: offlineVehicleCount > 0 ? 'orange' as const : 'green' as const,
+      disabled: false,
+      onClick: () => copyOnlineOperationsReport()
+    }
+  ];
   const mileageCustomerActions = [
     {
       label: '导出当前明细',
@@ -1549,6 +1610,51 @@ export function Mileage({
           </Button>
         )}
       />
+      <section className="vp-mileage-conclusion-strip" aria-label="客户里程结论条">
+        <div className="vp-mileage-conclusion-copy">
+          <Space wrap>
+            <Tag color="blue">客户里程结论条</Tag>
+            <Tag color={mileageDeliveryColor}>{mileageDeliveryState}</Tag>
+            <Tag color={closureStatusColor}>{closureStatus}</Tag>
+          </Space>
+          <Typography.Title heading={5} style={{ margin: 0 }}>
+            先给客户一个可交付结论，再进入轨迹复核、明细导出和告警通知。
+          </Typography.Title>
+          <Typography.Text type="secondary">
+            当前范围：{currentVehicleKeyword || '全部车辆'} / {mileageRangeText}，数据源只作为证据，不作为客户操作入口。
+          </Typography.Text>
+        </div>
+        <div className="vp-mileage-conclusion-metrics">
+          {mileageConclusionItems.map((item) => (
+            <button
+              key={item.label}
+              type="button"
+              className="vp-mileage-conclusion-metric"
+              onClick={item.onClick}
+              aria-label={`客户里程结论 ${item.label} ${item.value}`}
+            >
+              <Tag color={item.color}>{item.displayLabel ?? item.label}</Tag>
+              <strong>{item.value}</strong>
+              <span>{item.detail}</span>
+            </button>
+          ))}
+        </div>
+        <div className="vp-mileage-conclusion-actions">
+          {mileageConclusionActions.map((item) => (
+            <button
+              key={item.label}
+              type="button"
+              className="vp-mileage-conclusion-action"
+              disabled={item.disabled}
+              onClick={item.onClick}
+              aria-label={`客户里程动作 ${item.label} ${item.action}`}
+            >
+              <Tag color={item.color}>{item.label}</Tag>
+              <span>{item.action}</span>
+            </button>
+          ))}
+        </div>
+      </section>
       <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>