feat(platform): add realtime next actions

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

@@ -1214,6 +1214,39 @@ export function Realtime({
       disabled: rows.length === 0
     }
   ];
+  const realtimeNextActions = [
+    {
+      level: degradedCount > 0 || staleCount > 0 ? '优先' : '巡检',
+      title: degradedCount > 0 || staleCount > 0 ? '先处理异常车辆' : '先看在线车辆',
+      value: degradedCount > 0 || staleCount > 0 ? `${degradedCount.toLocaleString()} 降级 / ${staleCount.toLocaleString()} 超时` : `${onlineCount.toLocaleString()} 在线`,
+      detail: degradedCount > 0 || staleCount > 0
+        ? '离线、更新超时、坐标无效或服务降级会直接影响客户看车体验。'
+        : `当前页 ${locatedCount.toLocaleString()} 辆有有效坐标，可进入地图查看分布。`,
+      action: degradedCount > 0 || staleCount > 0 ? '关注异常' : '打开地图',
+      color: degradedCount > 0 || staleCount > 0 ? 'orange' as const : 'green' as const,
+      onClick: () => degradedCount > 0 || staleCount > 0 ? applyFilters({ ...filters, serviceStatus: 'degraded' }) : (window.location.hash = buildAppHash({ page: 'map', protocol: filters.protocol, filters }))
+    },
+    {
+      level: selectedMapRow ? '单车' : '选车',
+      title: selectedMapRow ? '复盘选中车辆' : '先选择一辆车',
+      value: selectedMapRow?.plate || selectedMapRow?.vin || '等待选车',
+      detail: selectedMapRow ? `${vehicleServiceStatus(selectedMapRow).label}，${dataFreshness(selectedMapRow).detail}` : '从地图或实时列表选择车辆后，进入轨迹、里程、历史和告警。',
+      action: selectedMapRow ? '轨迹回放' : '查看车辆',
+      color: selectedMapRow ? vehicleServiceStatus(selectedMapRow).color : 'blue' as const,
+      disabled: selectedMapRow ? !canOpenVehicle(selectedMapRow.vin) : false,
+      onClick: () => selectedMapRow && canOpenVehicle(selectedMapRow.vin) ? onOpenHistory?.(selectedMapRow.vin, selectedVehicleProtocol) : applyFilters({ ...filters, online: 'online' })
+    },
+    {
+      level: '交付',
+      title: '导出当前实时清单',
+      value: `${rows.length.toLocaleString()} 辆当前页`,
+      detail: '客户问询或运营交接时，先导出当前筛选的车辆在线、位置、速度和里程。',
+      action: '导出 CSV',
+      color: rows.length > 0 ? 'blue' as const : 'grey' as const,
+      disabled: rows.length === 0,
+      onClick: exportRealtime
+    }
+  ];
   const timeWindowMonitorBlock = (
     <Card bordered className="vp-time-window-monitor">
       <div className="vp-time-window-summary">
@@ -1634,6 +1667,24 @@ export function Realtime({
             <Button size="small" theme="light" onClick={copyRealtimeSummary}>复制监控摘要</Button>
           </Space>
         </div>
+        <div className="vp-realtime-next-actions">
+          {realtimeNextActions.map((item) => (
+            <button
+              key={item.title}
+              type="button"
+              className="vp-realtime-next-action"
+              disabled={item.disabled}
+              onClick={item.onClick}
+              aria-label={`实时运营建议 ${item.title} ${item.action}`}
+            >
+              <Tag color={item.color}>{item.level}</Tag>
+              <strong>{item.title}</strong>
+              <span>{item.value}</span>
+              <small>{item.detail}</small>
+              <em>{item.action}</em>
+            </button>
+          ))}
+        </div>
         <div className="vp-realtime-customer-steps">
           {realtimeCustomerJourneyItems.map((item) => (
             <button