chore: add Roslyn package to PortTracker for feature audit

reports/current.md

@@ -1,6 +1,6 @@
 # NATS .NET Porting Status Report
 
-Generated: 2026-02-27 10:12:50 UTC
+Generated: 2026-02-27 10:16:08 UTC
 
 ## Modules (12 total)
 

reports/report_84dc9d1.md

@@ -0,0 +1,35 @@
+# NATS .NET Porting Status Report
+
+Generated: 2026-02-27 10:16:08 UTC
+
+## Modules (12 total)
+
+| Status | Count |
+|--------|-------|
+| verified | 12 |
+
+## Features (3673 total)
+
+| Status | Count |
+|--------|-------|
+| unknown | 3394 |
+| verified | 279 |
+
+## Unit Tests (3257 total)
+
+| Status | Count |
+|--------|-------|
+| deferred | 2680 |
+| n_a | 187 |
+| verified | 390 |
+
+## Library Mappings (36 total)
+
+| Status | Count |
+|--------|-------|
+| mapped | 36 |
+
+
+## Overall Progress
+
+**868/6942 items complete (12.5%)**

tools/NatsNet.PortTracker/NatsNet.PortTracker.csproj

@@ -9,6 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Data.Sqlite" Version="10.0.3" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.13.0" />
     <PackageReference Include="System.CommandLine" Version="3.0.0-preview.1.26104.118" />
   </ItemGroup>