Merge feat/677-aggregates: reverse processed reads SDK-anchored, start-of-data Partial (forward), AggregateConfiguration accept-defaults, IntegralDivisor=1, SDK parity tests (#677)

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

@@ -5051,6 +5051,8 @@ public sealed class OtOpcUaNodeManager : CustomNodeManager2
     {
         // OPC UA ProcessingInterval is a Duration in milliseconds — convert once per batch.
         var interval = TimeSpan.FromMilliseconds(details.ProcessingInterval);
+        // #677: a client AggregateConfiguration other than the server defaults is refused per node, never silently ignored.
+        var configurationServable = ServerAggregateConfiguration.IsServable(details.AggregateConfiguration);
         nodesToProcess = AuthorizeHistoryRead(context, nodesToProcess, results, errors);
         WithHistoryReadBatchLimiter(nodesToProcess, results, errors, () =>
         {
@@ -5069,6 +5071,12 @@ public sealed class OtOpcUaNodeManager : CustomNodeManager2
                     continue;
                 }
 
+                if (!configurationServable)
+                {
+                    errors[handle.Index] = StatusCodes.BadAggregateConfigurationRejected;
+                    continue;
+                }
+
                 // Processed is SINGLE-SHOT (no continuation point). Unlike Raw, ReadProcessedDetails carries
                 // NO client count cap (NumValuesPerNode) — the bucket count is deterministic (window / interval)
                 // and the single-shot backend returns every bucket in one read, so there is no "full page ⇒