Improve XML documentation coverage across src modules and sync generated analysis artifacts.

src/NATS.Server/Imports/ServiceExport.cs

@@ -4,10 +4,33 @@ namespace NATS.Server.Imports;
 
 public sealed class ServiceExport
 {
+    /// <summary>
+    /// Gets authorization rules controlling which accounts may import this service.
+    /// </summary>
     public ExportAuth Auth { get; init; } = new();
+
+    /// <summary>
+    /// Gets the exporting account that owns this service definition.
+    /// </summary>
     public Account? Account { get; init; }
+
+    /// <summary>
+    /// Gets the response mode expected from service responders (singleton or streamed).
+    /// </summary>
     public ServiceResponseType ResponseType { get; init; } = ServiceResponseType.Singleton;
+
+    /// <summary>
+    /// Gets the threshold used for service latency advisories and slow-response tracking.
+    /// </summary>
     public TimeSpan ResponseThreshold { get; init; } = TimeSpan.FromMinutes(2);
+
+    /// <summary>
+    /// Gets optional service latency sampling configuration for exported service calls.
+    /// </summary>
     public ServiceLatency? Latency { get; init; }
+
+    /// <summary>
+    /// Gets a value indicating whether distributed tracing headers are allowed for this service.
+    /// </summary>
     public bool AllowTrace { get; init; }
 }