feat: 展示通知 outbox 状态

- services: 增加 /notification-outbox 真实接口读取与摘要清洗

- store: 超级管理员加载最近通知 outbox

- settings: 增加通知 outbox 运维表格

src/services/devopsApi.ts

@@ -25,6 +25,7 @@ import type {
   LoginPayload,
   LoginResult,
   MemberSummary,
+  NotificationOutboxMessage,
   PipelineStep,
   PlatformMessageSummary,
   ProjectConfig,
@@ -417,6 +418,12 @@ export const devopsApi = {
     return Array.isArray(data) ? data.map(sanitizeAuditLogEntry) : []
   },
 
+  async getNotificationOutbox(): Promise<NotificationOutboxMessage[]> {
+    const { data } = await http.get<NotificationOutboxMessage[]>('/notification-outbox')
+    lastDataSource = 'backend'
+    return Array.isArray(data) ? data.map(sanitizeNotificationOutboxMessage) : []
+  },
+
   async getAgentCards(): Promise<AgentCard[]> {
     return agentCards
   },
@@ -848,6 +855,25 @@ function sanitizeAuditLogEntry(record: AuditLogEntry): AuditLogEntry {
   }
 }
 
+function sanitizeNotificationOutboxMessage(
+  record: NotificationOutboxMessage,
+): NotificationOutboxMessage {
+  return {
+    id: safeText(record.id, 'outbox-unknown'),
+    deployRunId: optionalSafeText(record.deployRunId),
+    channel: safeText(record.channel, 'none'),
+    template: safeText(record.template, 'unknown-template'),
+    payloadSummary: safeRecord(record.payloadSummary),
+    status: toNotificationOutboxStatus(record.status),
+    attemptCount: Number.isFinite(record.attemptCount) ? record.attemptCount : 0,
+    nextAttemptAt: optionalSafeText(record.nextAttemptAt),
+    lastError: optionalSafeText(record.lastError),
+    idempotencyKey: safeText(record.idempotencyKey, 'unknown-idempotency'),
+    createdAt: safeText(record.createdAt, ''),
+    updatedAt: safeText(record.updatedAt, ''),
+  }
+}
+
 function toPipelineStep(step: BackendDeployRunStep): PipelineStep {
   const bpmnNodeId = step.bpmnNodeId || step.id || 'unknown-step'
   const name = step.name || bpmnNodeId
@@ -916,6 +942,21 @@ function toStepStatus(status?: BackendRunStatus): StepStatus {
   return 'pending'
 }
 
+function toNotificationOutboxStatus(
+  status?: NotificationOutboxMessage['status'],
+): NotificationOutboxMessage['status'] {
+  if (
+    status === 'pending' ||
+    status === 'sent' ||
+    status === 'failed' ||
+    status === 'dead'
+  ) {
+    return status
+  }
+
+  return 'failed'
+}
+
 function stepOwner(nodeId: string): PipelineStep['owner'] {
   if (nodeId.includes('gitea')) {
     return 'Gitea'