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

src/Server/ZB.MOM.WW.OtOpcUa.Host/OpcUa/OtOpcUaServerHostedService.cs

@@ -5,6 +5,7 @@ using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
 using ZB.MOM.WW.OtOpcUa.Commons.OpcUa;
+using ZB.MOM.WW.OtOpcUa.Core.Abstractions;
 using ZB.MOM.WW.OtOpcUa.OpcUaServer;
 using ZB.MOM.WW.OtOpcUa.OpcUaServer.Security;
 using ZB.MOM.WW.OtOpcUa.Runtime;
@@ -30,6 +31,7 @@ public sealed class OtOpcUaServerHostedService : IHostedService, IAsyncDisposabl
     private readonly DeferredAddressSpaceSink _deferredSink;
     private readonly DeferredServiceLevelPublisher _deferredServiceLevel;
     private readonly IOpcUaUserAuthenticator _userAuthenticator;
+    private readonly IHistorianDataSource _historianDataSource;
     private readonly Func<ActorSystem> _actorSystemAccessor;
     private readonly ActorRegistry _actorRegistry;
     private readonly ILoggerFactory _loggerFactory;
@@ -45,6 +47,11 @@ public sealed class OtOpcUaServerHostedService : IHostedService, IAsyncDisposabl
     /// <param name="deferredSink">The deferred address space sink that receives the real sink once the server is ready.</param>
     /// <param name="deferredServiceLevel">The deferred service level publisher that receives the real publisher once the server is ready.</param>
     /// <param name="userAuthenticator">The OPC UA user authenticator.</param>
+    /// <param name="historianDataSource">The server-side HistoryRead backend resolved from DI — the
+    /// <c>NullHistorianDataSource</c> default seeded by <c>AddOtOpcUaRuntime</c> (which runs on this driver
+    /// node, the same source the address-space sink + node-write gateway come from), or the configured
+    /// Wonderware read client when <c>AddServerHistorian</c> enabled it. Wired onto the node manager in
+    /// <see cref="StartAsync"/>.</param>
     /// <param name="actorSystemAccessor">Lazy accessor for the running <see cref="ActorSystem"/>, used to
     /// resolve the DistributedPubSub mediator the inbound alarm-command router publishes through. Resolved
     /// lazily (mirroring <c>DpsScriptLogPublisher</c>) so construction never races Akka startup.</param>
@@ -57,6 +64,7 @@ public sealed class OtOpcUaServerHostedService : IHostedService, IAsyncDisposabl
         DeferredAddressSpaceSink deferredSink,
         DeferredServiceLevelPublisher deferredServiceLevel,
         IOpcUaUserAuthenticator userAuthenticator,
+        IHistorianDataSource historianDataSource,
         Func<ActorSystem> actorSystemAccessor,
         ActorRegistry actorRegistry,
         ILoggerFactory loggerFactory)
@@ -65,6 +73,7 @@ public sealed class OtOpcUaServerHostedService : IHostedService, IAsyncDisposabl
         _deferredSink = deferredSink;
         _deferredServiceLevel = deferredServiceLevel;
         _userAuthenticator = userAuthenticator;
+        _historianDataSource = historianDataSource;
         _actorSystemAccessor = actorSystemAccessor;
         _actorRegistry = actorRegistry;
         _loggerFactory = loggerFactory;
@@ -148,6 +157,11 @@ public sealed class OtOpcUaServerHostedService : IHostedService, IAsyncDisposabl
             resolveDriverHost: () => _actorRegistry.TryGet<DriverHostActorKey>(out var driverHost) ? driverHost : null,
             logger: _loggerFactory.CreateLogger<ActorNodeWriteGateway>()));
 
+        // Wire the server-side read backend resolved from DI — the NullHistorianDataSource default (when
+        // the ServerHistorian section is disabled) or the configured Wonderware read client (when enabled).
+        // The node manager's HistoryRead overrides block-bridge to whatever source is set here.
+        _server.SetHistorianDataSource(_historianDataSource);
+
         // ServiceLevel publisher needs IServerInternal — only available after Start.
         if (_server.CurrentInstance is { } serverInternal)
         {
@@ -171,6 +185,8 @@ public sealed class OtOpcUaServerHostedService : IHostedService, IAsyncDisposabl
         _deferredServiceLevel.SetInner(null);
         // Restore the Null write gateway so a late client write doesn't Ask a stopping DriverHostActor.
         _server?.SetNodeWriteGateway(null);
+        // Restore the Null historian so a late HistoryRead doesn't hit a disposed read client.
+        _server?.SetHistorianDataSource(null);
         return Task.CompletedTask;
     }