Resolve all high-severity architecture review findings

src/ZB.MOM.WW.ScadaBridge.AuditLog/Central/GrpcPullAuditEventsClient.cs

@@ -342,7 +342,7 @@ public sealed class GrpcPullAuditEventsInvoker
                 KeepAlivePingTimeout = _options.GrpcKeepAlivePingTimeout,
                 KeepAlivePingPolicy = HttpKeepAlivePingPolicy.Always,
             },
-        }.WithSiteCredentials(_pskProvider, siteId));
+        }.WithMessageLimits().WithSiteCredentials(_pskProvider, siteId));
 
     /// <summary>Disposes all cached channels.</summary>
     public void Dispose()

src/ZB.MOM.WW.ScadaBridge.AuditLog/Central/GrpcPullSiteCallsClient.cs

@@ -356,7 +356,7 @@ public sealed class GrpcPullSiteCallsInvoker
                 KeepAlivePingTimeout = _options.GrpcKeepAlivePingTimeout,
                 KeepAlivePingPolicy = HttpKeepAlivePingPolicy.Always,
             },
-        }.WithSiteCredentials(_pskProvider, siteId));
+        }.WithMessageLimits().WithSiteCredentials(_pskProvider, siteId));
 
     /// <summary>Disposes all cached channels.</summary>
     public void Dispose()

src/ZB.MOM.WW.ScadaBridge.AuditLog/Central/GrpcPullTraceEventsClient.cs

@@ -209,7 +209,7 @@ public sealed class GrpcPullTraceEventsInvoker : GrpcPullTraceEventsClient.IPull
                 KeepAlivePingTimeout = _options.GrpcKeepAlivePingTimeout,
                 KeepAlivePingPolicy = HttpKeepAlivePingPolicy.Always,
             },
-        }.WithSiteCredentials(_pskProvider, siteId));
+        }.WithMessageLimits().WithSiteCredentials(_pskProvider, siteId));
 
     /// <inheritdoc />
     public void Dispose()

src/ZB.MOM.WW.ScadaBridge.AuditLog/Site/Telemetry/SiteAuditTelemetryActor.cs

@@ -260,6 +260,7 @@ public class SiteAuditTelemetryActor : ReceiveActor
             }
 
             var batch = new CachedTelemetryBatch();
+            var wireBytes = AuditWireBudget.InitialBytes;
             var emittedEventIds = new List<Guid>(pending.Count);
             // Rows whose operational half can never be built. They are marked
             // Forwarded so they LEAVE this queue — see AbandonUnresolvableAsync
@@ -326,7 +327,7 @@ public class SiteAuditTelemetryActor : ReceiveActor
                 }
 
                 var packet = BuildCachedPacket(auditRow, snapshot);
-                batch.Packets.Add(packet);
+                if (!AuditWireBudget.TryAppend(batch.Packets, packet, ref wireBytes, auditRow.EventId.ToString())) break;
                 emittedEventIds.Add(auditRow.EventId);
             }
 
@@ -452,9 +453,10 @@ public class SiteAuditTelemetryActor : ReceiveActor
     private static AuditEventBatch BuildBatch(IReadOnlyList<AuditEvent> events)
     {
         var batch = new AuditEventBatch();
+        var wireBytes = AuditWireBudget.InitialBytes;
         foreach (var e in events)
         {
-            batch.Events.Add(AuditEventDtoMapper.ToDto(e));
+            if (!AuditWireBudget.TryAppend(batch.Events, AuditEventDtoMapper.ToDto(e), ref wireBytes, e.EventId.ToString())) break;
         }
         return batch;
     }