fix(delivery): add PostgreSQL rollback and CloudDM isolation

frontend/src/views/service/Catalog.vue

@@ -732,7 +732,7 @@ const basicServices = ref<Service[]>([
     charsets: ['UTF8'],
     defaultPort: 0,
     defaultPaths: { install: '/usr/lib/postgresql', data: '/data/postgresql', log: '/data/postgresql' },
-    registerTo: 'PostgreSQL 专用资源台账',
+    registerTo: 'PostgreSQL 资源台账 / CloudDM（可选）',
     configId: 'PG-NATIVE-V1',
     assetId: '',
     healthText: 'PostgreSQL 就绪 · TCP 探测通过',
@@ -835,7 +835,7 @@ const rollbackReleasing = ref(false)
 const cloudDMRetrying = ref(false)
 const rollbackActionBusy = computed(() => rollbackRetrying.value || rollbackReleasing.value)
 const canManageRollback = computed(() => authStore.isAdmin && lastDeliveryStatus.value === 'rollback_failed' && Boolean(deploymentId.value))
-const canRetryCloudDM = computed(() => !isPostgreSQL.value && deliveryRegisterFailed.value && Boolean(deploymentId.value))
+const canRetryCloudDM = computed(() => deliveryRegisterFailed.value && Boolean(deploymentId.value))
 
 const deliveryForm = reactive({
   instanceName: generateInstanceName(activeServiceKey.value, currentName.value),
@@ -1318,7 +1318,7 @@ function defaultSteps(): DeliveryStep[] {
       ['应用实例配置', 'postgresql.conf、pg_hba.conf、systemd'],
       ['配置复制拓扑', '复制账号、slot、primary_conninfo'],
       ['数据库健康检查', '端口、角色、版本和数据目录'],
-      ['资源入账与交付归档', 'PostgreSQL 集群、实例与资源台账'],
+      ['资源入账与交付归档', 'PostgreSQL 资源台账与可选 CloudDM 注册'],
     ].map(([name, desc]) => ({ name, desc, state: 'pending' as StepState }))
   }
   const isMysql = activeServiceKey.value === 'mysql'