feat(historian): AddServerHistorian DI + Host wiring of IHistorianDataSource

src/Server/ZB.MOM.WW.OtOpcUa.OpcUaServer/OtOpcUaSdkServer.cs

@@ -1,6 +1,7 @@
 using Opc.Ua;
 using Opc.Ua.Server;
 using ZB.MOM.WW.OtOpcUa.Commons.OpcUa;
+using ZB.MOM.WW.OtOpcUa.Core.Abstractions;
 
 namespace ZB.MOM.WW.OtOpcUa.OpcUaServer;
 
@@ -59,6 +60,28 @@ public sealed class OtOpcUaSdkServer : StandardServer
         return true;
     }
 
+    /// <summary>
+    ///     Wire the server-side HistoryRead backend (the <see cref="IHistorianDataSource"/> the node
+    ///     manager's HistoryRead overrides block-bridge to) onto the created
+    ///     <see cref="OtOpcUaNodeManager"/>. The host calls this after start with the DI-resolved source —
+    ///     the <c>NullHistorianDataSource</c> default (GoodNoData-empty reads) or the configured Wonderware
+    ///     read client. Passing <c>null</c> restores the Null default (the property setter null-coalesces),
+    ///     i.e. "no historian". No-op (returns <c>false</c>) when the node manager has not been created yet,
+    ///     so the caller can detect a too-early call (mirrors <see cref="SetNodeWriteGateway"/>).
+    /// </summary>
+    /// <param name="source">The read backend invoked by the node manager's HistoryRead overrides; may be
+    /// <c>null</c> to restore the Null default (GoodNoData-empty reads).</param>
+    /// <returns><c>true</c> when the source was set on a live node manager; <c>false</c> when no node
+    /// manager exists yet.</returns>
+    public bool SetHistorianDataSource(IHistorianDataSource? source)
+    {
+        if (_otOpcUaNodeManager is null) return false;
+        // The HistorianDataSource setter null-coalesces to the Null default, so a null source is intentional
+        // (restores GoodNoData-empty reads); forgive the nullable-in here.
+        _otOpcUaNodeManager.HistorianDataSource = source!;
+        return true;
+    }
+
     /// <inheritdoc />
     protected override MasterNodeManager CreateMasterNodeManager(
         IServerInternal server, ApplicationConfiguration configuration)