case 4600 - subscription expiring reminders only for trial servers in service; expiry hidden for paid servers

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/views/biz-subscription-server.vue

@@ -143,7 +143,8 @@
             ></gz-date-time-picker>
           </v-col>
 
-          <v-col cols="12" sm="6" lg="4" xl="3">
+          <!-- case 4600: expiry only applies to trial servers; a paid server renews monthly -->
+          <v-col v-if="obj.trial" cols="12" sm="6" lg="4" xl="3">
             <v-row no-gutters>
               <v-col cols="1">
                 <v-menu offset-y>
@@ -1206,6 +1207,10 @@ export default {
           loading: true
         });
         window.$gz.form.deleteAllErrorBoxErrors(vm);
+        //case 4600: expiry is hidden and unused for a paid server, but the record still needs a date
+        if (!vm.obj.trial && !vm.obj.subscriptionExpire) {
+          vm.obj.subscriptionExpire = window.$gz.locale.nowUTC8601String();
+        }
         if (vm.obj.operatingSystem == null) {
           vm.obj.operatingSystem = "Ubuntu 22.10";
         }