fix(opcuaclient): HistoryRead honours the per-node StatusCode (BadAggregateNotSupported + other Bad) instead of returning empty data (#649)

Claude-Session: https://claude.ai/code/session_01Ef2ozxS7QPanGT8uoATbTe

src/Core/ZB.MOM.WW.OtOpcUa.Core.Abstractions/IHistoryProvider.cs

@@ -185,6 +185,26 @@ public sealed class HistoryAggregateNotSupportedException : NotSupportedExceptio
         => Aggregate = aggregate;
 }
 
+/// <summary>
+///     Thrown by a history backend that is a passthrough to another OPC UA server when that server answered
+///     a node with a Bad per-node <c>HistoryReadResult.StatusCode</c> other than
+///     <c>BadAggregateNotSupported</c> (which has its own <see cref="HistoryAggregateNotSupportedException"/>).
+///     The Server HistoryRead path surfaces <see cref="StatusCode"/> verbatim as that node's result status
+///     instead of the generic <c>BadHistoryOperationUnsupported</c>, so a refused read is never mistaken for
+///     an empty Good one.
+/// </summary>
+public sealed class HistoryReadStatusException : Exception
+{
+    /// <summary>The raw OPC UA status code the upstream server returned for the node.</summary>
+    public uint StatusCode { get; }
+
+    /// <summary>Creates the exception for the upstream <paramref name="statusCode"/>.</summary>
+    /// <param name="statusCode">The Bad OPC UA status code to surface for the node.</param>
+    public HistoryReadStatusException(uint statusCode)
+        : base($"The upstream server refused the history read with status 0x{statusCode:X8}.")
+        => StatusCode = statusCode;
+}
+
 /// <summary>
 ///     One row returned by <see cref="IHistoryProvider.ReadEventsAsync"/> — a historical
 ///     alarm/event record, not the OPC UA live-event stream. Fields match the minimum set the