feat(batch6-task4): implement f3 account authorization parsing

dotnet/src/ZB.MOM.NatsNet.Server/Accounts/Account.cs

@@ -407,6 +407,74 @@ public sealed class Account : INatsAccount
     /// </summary>
     private int _traceDestSampling;
 
+    /// <summary>
+    /// Sets account-level message trace destination subject.
+    /// Mirrors writes to Go <c>acc.traceDest</c> during config parsing.
+    /// </summary>
+    internal void SetMessageTraceDestination(string subject)
+    {
+        _mu.EnterWriteLock();
+        try
+        {
+            _traceDest = subject ?? string.Empty;
+        }
+        finally
+        {
+            _mu.ExitWriteLock();
+        }
+    }
+
+    /// <summary>
+    /// Returns account-level message trace destination subject.
+    /// Mirrors reads of Go <c>acc.traceDest</c> during config parsing.
+    /// </summary>
+    internal string GetMessageTraceDestination()
+    {
+        _mu.EnterReadLock();
+        try
+        {
+            return _traceDest;
+        }
+        finally
+        {
+            _mu.ExitReadLock();
+        }
+    }
+
+    /// <summary>
+    /// Sets account-level message trace sampling percentage.
+    /// Mirrors writes to Go <c>acc.traceDestSampling</c> during config parsing.
+    /// </summary>
+    internal void SetMessageTraceSampling(int sampling)
+    {
+        _mu.EnterWriteLock();
+        try
+        {
+            _traceDestSampling = sampling;
+        }
+        finally
+        {
+            _mu.ExitWriteLock();
+        }
+    }
+
+    /// <summary>
+    /// Returns account-level message trace sampling percentage.
+    /// Mirrors reads of Go <c>acc.traceDestSampling</c> during config parsing.
+    /// </summary>
+    internal int GetMessageTraceSampling()
+    {
+        _mu.EnterReadLock();
+        try
+        {
+            return _traceDestSampling;
+        }
+        finally
+        {
+            _mu.ExitReadLock();
+        }
+    }
+
     // -------------------------------------------------------------------------
     // Factory
     // -------------------------------------------------------------------------

reports/current.md

@@ -1,6 +1,6 @@
 # NATS .NET Porting Status Report
 
-Generated: 2026-02-28 14:37:42 UTC
+Generated: 2026-02-28 14:47:33 UTC
 
 ## Modules (12 total)
 
@@ -12,10 +12,10 @@ Generated: 2026-02-28 14:37:42 UTC
 
 | Status | Count |
 |--------|-------|
-| deferred | 2094 |
+| deferred | 2077 |
 | n_a | 24 |
 | stub | 1 |
-| verified | 1554 |
+| verified | 1571 |
 
 ## Unit Tests (3257 total)
 
@@ -34,4 +34,4 @@ Generated: 2026-02-28 14:37:42 UTC
 
 ## Overall Progress
 
-**2799/6942 items complete (40.3%)**
+**2816/6942 items complete (40.6%)**