feat(platform): add customer alert closure board

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

@@ -551,6 +551,53 @@ export function NotificationRules() {
   const ownerRows = coverageOwnerRows(rules, policies);
   const totalActiveHits = ownerRows.reduce((total, row) => total + row.hitCount, 0);
   const unhealthyLinkCount = (health?.linkHealth ?? []).filter((item) => item.status !== 'ok').length;
+  const notificationCustomerSteps = [
+    {
+      step: '01',
+      title: '发现问题',
+      value: `${priorityIssues.length.toLocaleString()} 待通知`,
+      detail: '断链、无来源、VIN缺失、字段缺失等问题先进入车辆服务告警队列。',
+      action: '告警队列',
+      color: priorityIssues.length > 0 ? 'orange' as const : 'green' as const,
+      onClick: () => navigateHash('#/alert-events')
+    },
+    {
+      step: '02',
+      title: '补齐证据',
+      value: `${evidenceCompleteCount}/${priorityIssues.length || 0} 完整`,
+      detail: '通知前必须带上车辆服务、实时监控、轨迹回放和RAW证据链接。',
+      action: '证据矩阵',
+      color: evidenceCompleteCount === priorityIssues.length ? 'green' as const : 'orange' as const,
+      onClick: () => nextPriorityIssue?.rawHash ? navigateHash(nextPriorityIssue.rawHash) : undefined
+    },
+    {
+      step: '03',
+      title: '通知责任人',
+      value: `${ownerRows.length.toLocaleString()} 责任方`,
+      detail: '规则命中后按责任团队、目标人群和通知渠道形成可复制通知。',
+      action: '复制通知',
+      color: ownerRows.length > 0 ? 'blue' as const : 'orange' as const,
+      onClick: () => copyText(priorityIssueDigest(plan, release), '待通知告警')
+    },
+    {
+      step: '04',
+      title: '超时升级',
+      value: `${overdueCount}/${dueSoonCount}`,
+      detail: '按P0/P1策略监控已超时和即将升级的告警，避免断链无人跟进。',
+      action: 'SLA报告',
+      color: overdueCount > 0 ? 'red' as const : dueSoonCount > 0 ? 'orange' as const : 'green' as const,
+      onClick: () => copyText(slaEscalationReport(slaRows, release), 'SLA升级报告')
+    },
+    {
+      step: '05',
+      title: '验收恢复',
+      value: release || '-',
+      detail: '恢复后按验收口径复核，不再命中规则后关闭本次告警闭环。',
+      action: '运行手册',
+      color: 'blue' as const,
+      onClick: () => copyText(notificationRulesRunbook(plan, release), '通知规则Runbook')
+    }
+  ];
   const exportNotificationRules = () => {
     const rows = notificationExportRows(plan, release);
     if (rows.length === 0) {
@@ -564,6 +611,44 @@ export function NotificationRules() {
   return (
     <div className="vp-page">
       <PageHeader title="通知规则" description="集中管理告警触发条件、通知对象、升级时间和验收标准，让断链与数据质量问题可追踪、可通知、可闭环" />
+      <Card bordered loading={loading} className="vp-notification-customer-board" bodyStyle={{ padding: 0 }}>
+        <div className="vp-notification-customer-summary">
+          <Space wrap>
+            <Tag color="blue">客户告警闭环</Tag>
+            <Tag color={p0IssueCount > 0 ? 'red' : priorityIssues.length > 0 ? 'orange' : 'green'}>
+              {p0IssueCount > 0 ? `P0 ${p0IssueCount.toLocaleString()}` : priorityIssues.length > 0 ? `${priorityIssues.length.toLocaleString()} 待通知` : '暂无待通知'}
+            </Tag>
+            <Tag color={overdueCount > 0 ? 'red' : dueSoonCount > 0 ? 'orange' : 'green'}>{overdueCount.toLocaleString()} 超时 / {dueSoonCount.toLocaleString()} 临近</Tag>
+          </Space>
+          <Typography.Title heading={5} style={{ margin: 0 }}>从告警触发到通知升级，再到验收恢复</Typography.Title>
+          <Typography.Text type="secondary">
+            客户需要知道哪些车受影响、证据是否完整、通知给谁、多久升级、恢复后如何验收；规则和策略只是支撑这个闭环的配置。
+          </Typography.Text>
+          <Space wrap>
+            <Button size="small" theme="solid" type="primary" onClick={() => navigateHash('#/alert-events')}>查看告警事件</Button>
+            <Button size="small" theme="light" type="primary" disabled={!nextPriorityIssue?.vehicleHash} onClick={() => nextPriorityIssue?.vehicleHash && navigateHash(nextPriorityIssue.vehicleHash)}>下一辆车</Button>
+            <Button size="small" theme="light" type="warning" onClick={() => copyText(alertEscalationChecklist(plan, release), '升级值班清单')}>复制值班清单</Button>
+            <Button size="small" theme="light" onClick={() => copyText(notificationCoverageReport({ plan, release, ownerRows, overdueCount, dueSoonCount, health }), '通知覆盖报告')}>复制覆盖报告</Button>
+          </Space>
+        </div>
+        <div className="vp-notification-customer-steps">
+          {notificationCustomerSteps.map((item) => (
+            <button
+              key={item.step}
+              type="button"
+              className="vp-notification-customer-step"
+              onClick={item.onClick}
+              aria-label={`客户告警闭环 ${item.title} ${item.action}`}
+            >
+              <span>{item.step}</span>
+              <Tag color={item.color}>{item.title}</Tag>
+              <strong>{item.value}</strong>
+              <small>{item.detail}</small>
+              <em>{item.action}</em>
+            </button>
+          ))}
+        </div>
+      </Card>
       <div className="vp-kpi-grid">
         <Card bordered loading={loading}>
           <div className="vp-kpi-value">{activeRuleCount.toLocaleString()}</div>