feat(platform): add alert notification channel closure

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

@@ -843,6 +843,17 @@ export function Quality({
       onClick: () => copyNotificationHandoff()
     }
   ];
+  const notificationChannelItems = (primaryPolicy?.channel || '站内告警')
+    .split('/')
+    .map((item) => item.trim())
+    .filter(Boolean)
+    .map((channel) => ({
+      channel,
+      target: primaryPolicy?.target || '待配置责任人',
+      condition: primaryPolicy?.condition || '告警规则命中',
+      escalation: formatEscalationMinutes(primaryPolicy?.escalationMinutes) || '未配置升级',
+      acceptance: primaryPolicy?.acceptanceCriteria || '车辆服务状态恢复，实时、轨迹、历史和里程证据可查询。'
+    }));
 
   const loadIssues = (values: Record<string, string> = filters, page = pagination.currentPage, pageSize = pagination.pageSize) => {
     setLoadingIssues(true);
@@ -1131,6 +1142,47 @@ export function Quality({
           </div>
         </div>
       </Card>
+      <Card bordered title="客户通知渠道闭环" style={{ marginTop: 16 }}>
+        <div className="vp-alert-channel-board">
+          <div className="vp-alert-channel-summary">
+            <Space wrap>
+              <Tag color={primaryPolicy ? 'blue' : 'orange'}>{primaryPolicy?.name || '策略待配置'}</Tag>
+              <Tag color={priorityP0Count > 0 ? 'red' : priorityP1Count > 0 ? 'orange' : 'green'}>
+                P0 {priorityP0Count.toLocaleString()} / P1 {priorityP1Count.toLocaleString()}
+              </Tag>
+              <Tag color={customerDecision.color}>{customerDecision.label}</Tag>
+            </Space>
+            <strong>通知不是结束，客户要看到触达、升级和恢复验收</strong>
+            <span>
+              把站内、邮件、企业微信这些触达方式按客户能理解的处置路径展示：谁收到、为什么收到、多久升级、恢复后怎么验收。
+            </span>
+            <Space wrap>
+              <Button size="small" theme="solid" type="primary" onClick={copyNotificationHandoff}>复制交接包</Button>
+              <Button size="small" onClick={copyPolicyRunbook}>复制通知策略</Button>
+              {onOpenNotificationRules ? <Button size="small" onClick={onOpenNotificationRules}>维护通知规则</Button> : null}
+            </Space>
+          </div>
+          <div className="vp-alert-channel-grid">
+            {notificationChannelItems.map((item) => (
+              <button
+                key={item.channel}
+                type="button"
+                className="vp-alert-channel-item"
+                aria-label={`通知渠道闭环 ${item.channel} 复制交接包`}
+                onClick={copyNotificationHandoff}
+              >
+                <div>
+                  <Tag color="blue">{item.channel}</Tag>
+                  <Tag color={priorityP0Count > 0 ? 'red' : 'orange'}>{item.escalation}</Tag>
+                </div>
+                <strong>{item.target}</strong>
+                <span>{item.condition}</span>
+                <em>验收：{item.acceptance}</em>
+              </button>
+            ))}
+          </div>
+        </div>
+      </Card>
       <Card bordered title="告警事件与通知中心">
         <div className="vp-alert-center-board">
           <div className="vp-alert-center-summary">