perf(dcl): batch subscribe/read/write seam, bounded reconnect, sharded subscriptions

src/ZB.MOM.WW.ScadaBridge.Commons/Serialization/OpcUaEndpointConfigSerializer.cs

@@ -195,6 +195,7 @@ public static class OpcUaEndpointConfigSerializer
             ["DiscardOldest"] = config.DiscardOldest.ToString(),
             ["SubscriptionPriority"] = config.SubscriptionPriority.ToString(),
             ["SubscriptionDisplayName"] = config.SubscriptionDisplayName,
+            ["MaxMonitoredItemsPerSubscription"] = config.MaxMonitoredItemsPerSubscription.ToString(),
             ["TimestampsToReturn"] = config.TimestampsToReturn.ToString(),
         };
         if (config.Heartbeat is { } hb)
@@ -248,6 +249,7 @@ public static class OpcUaEndpointConfigSerializer
         TryAssignInt(dict, "KeepAliveCount", v => c.KeepAliveCount = v);
         TryAssignInt(dict, "LifetimeCount", v => c.LifetimeCount = v);
         TryAssignInt(dict, "MaxNotificationsPerPublish", v => c.MaxNotificationsPerPublish = v);
+        TryAssignInt(dict, "MaxMonitoredItemsPerSubscription", v => c.MaxMonitoredItemsPerSubscription = v);
 
         if (dict.TryGetValue("DiscardOldest", out var doStr) && bool.TryParse(doStr, out var doVal))
             c.DiscardOldest = doVal;