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

src/Server/ZB.MOM.WW.OtOpcUa.Host/Program.cs

@@ -100,6 +100,20 @@ if (hasDriver)
             },
             sp.GetService<ILogger<WonderwareHistorianClient>>()));
 
+    // Config-gated server-side HistoryRead backend. When the ServerHistorian section is enabled this
+    // overrides the NullHistorianDataSource default from AddOtOpcUaRuntime (last registration wins) with
+    // a read-only WonderwareHistorianClient the node manager's HistoryRead overrides block-bridge to.
+    // The client is supplied here because the Host is the only project that references the Wonderware
+    // client — Runtime owns the gating, the Host supplies the concrete read downstream.
+    builder.Services.AddServerHistorian(
+        builder.Configuration,
+        (opts, sp) => new WonderwareHistorianClient(
+            new WonderwareHistorianClientOptions(opts.Host, opts.Port, opts.SharedSecret)
+            {
+                UseTls = opts.UseTls, ServerCertThumbprint = opts.ServerCertThumbprint,
+            },
+            sp.GetService<ILogger<WonderwareHistorianClient>>()));
+
     // Bind every cross-platform driver factory before AddAkka resolves IDriverFactory — replaces
     // the F7-default NullDriverFactory with a real DriverFactoryRegistryAdapter so DriverHostActor
     // can materialise real IDriver instances on deploy.