Update @typespec/http-client-csharp to 1.0.0-alpha.20250722.1

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

@@ -8,7 +8,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-      <PackageReference Include="Microsoft.TypeSpec.Generator.ClientModel" Version="1.0.0-alpha.20250626.7" />
+      <PackageReference Include="Microsoft.TypeSpec.Generator.ClientModel" Version="1.0.0-alpha.20250722.1" />
     </ItemGroup>
 
   <!-- Copy output to package dist path for local execution and  -->

codegen/generator/src/Visitors/OmittedTypesVisitor.cs

@@ -1,5 +1,7 @@
 using Microsoft.TypeSpec.Generator.ClientModel;
+using Microsoft.TypeSpec.Generator.Expressions;
 using Microsoft.TypeSpec.Generator.Providers;
+using Microsoft.TypeSpec.Generator.Statements;
 using System.Collections.Generic;
 using System.Linq;
 
@@ -20,10 +22,29 @@ public class OmittedTypesVisitor : ScmLibraryVisitor
 
     protected override TypeProvider? VisitType(TypeProvider type)
     {
-        if (TypeNamesToOmit.Any(typeName => type.Name == typeName))
+        // Strip buildable attributes for omitted types from OpenAIContext
+        if (type.Name == "OpenAIContext")
         {
-            return null;
+            var filtered = new List<AttributeStatement>(type.Attributes.Count);
+            foreach (var a in type.Attributes)
+            {
+                bool drop =
+                    a.Type.Name == "ModelReaderWriterBuildableAttribute" &&
+                    a.Arguments.Count == 1 &&
+                    a.Arguments[0] is TypeOfExpression tof &&
+                    TypeNamesToOmit.Contains(tof.Type.Name);
+
+                if (!drop) filtered.Add(a);
+            }
+
+            if (filtered.Count != type.Attributes.Count)
+                type.Update(attributes: filtered);
         }
-        return type;
+
+        // Omit the types themselves
+        if (TypeNamesToOmit.Contains(type.Name))
+            return null;
+
+        return base.VisitType(type);
     }
 }

codegen/package.json

@@ -29,8 +29,11 @@
     ],
     "dependencies": {
         "@open-ai/plugin": "file:",
-        "@azure-tools/typespec-client-generator-core": "~0.57.0",
-        "@typespec/http-client-csharp": "1.0.0-alpha.20250626.7"
+        "@azure-tools/typespec-client-generator-core": "0.57.2",
+        "@azure-tools/typespec-azure-core": "0.57.0",
+        "@typespec/http-client-csharp": "1.0.0-alpha.20250722.1",
+        "@typespec/http": "1.1.0",
+        "@typespec/openapi": "1.1.0"
     },
     "devDependencies": {
         "@types/node": "^22.8.1",