Update @typespec/http-client-csharp to 1.0.0-alpha.20251001.2

- Updated @typespec/http-client-csharp from 1.0.0-alpha.20250929.2 to 1.0.0-alpha.20251001.2
- Updated Microsoft.TypeSpec.Generator.ClientModel from 1.0.0-alpha.20250929.2 to 1.0.0-alpha.20251001.2
- Regenerated OpenAI SDK code with new generator version
- Updated centrally managed package-lock.json file with new dependency versions

Author: actions-user

codegen/generator/src/OpenAI.Library.Plugin.csproj

@@ -8,7 +8,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-      <PackageReference Include="Microsoft.TypeSpec.Generator.ClientModel" Version="1.0.0-alpha.20250929.2" />
+      <PackageReference Include="Microsoft.TypeSpec.Generator.ClientModel" Version="1.0.0-alpha.20251001.2" />
     </ItemGroup>
 
   <!-- Copy output to package dist path for local execution and  -->
@@ -26,3 +26,4 @@
 
 
 
+

codegen/package.json

@@ -30,7 +30,7 @@
   "dependencies": {
     "@open-ai/plugin": "file:",
     "@azure-tools/typespec-client-generator-core": "0.60.0",
-    "@typespec/http-client-csharp": "1.0.0-alpha.20250929.2",
+    "@typespec/http-client-csharp": "1.0.0-alpha.20251001.2",
     "@typespec/http": "1.4.0",
     "@typespec/openapi": "1.4.0"
   },

package-lock.json

@@ -181,7 +181,7 @@ public override void WriteTo(Stream stream, CancellationToken cancellationToken
         public override async Task WriteToAsync(Stream stream, CancellationToken cancellationToken = default)
         {
 #if NET6_0_OR_GREATER
-            await _multipartContent.CopyToAsync(stream).ConfigureAwait(false);
+            await _multipartContent.CopyToAsync(stream, cancellationToken).ConfigureAwait(false);
 #else
             await _multipartContent.CopyToAsync(stream).ConfigureAwait(false);
 #endif