Tab titles name the record; Guides reach a site and the contract surface

plugins/network/frontend/views/SubnetDetail.vue

@@ -59,6 +59,7 @@
 import { ref, computed, onMounted } from 'vue'
 import { useRoute } from 'vue-router'
 import { networkApi } from '@/api'
+import { setRecordTitle } from '@/composables/pageTitle'
 
 const route = useRoute()
 const subnet = ref(null)
@@ -79,6 +80,7 @@ async function load() {
   try {
     const response = await networkApi.subnets.get(route.params.id)
     subnet.value = response.data?.data || response.data
+    setRecordTitle(subnet.value?.name || subnet.value?.cidr)
   } finally {
     loading.value = false
   }