build: bump generator to 1.0.0-alpha.20250924.1

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

@@ -1,14 +1,14 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net8.0</TargetFramework>
+        <TargetFramework>net9.0</TargetFramework>
         <Nullable>enable</Nullable>
         <RootNamespace>OpenAI.Microsoft.Generator.CSharp.ClientModel.Plugin</RootNamespace>
         <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
     </PropertyGroup>
 
     <ItemGroup>
-      <PackageReference Include="Microsoft.TypeSpec.Generator.ClientModel" Version="1.0.0-alpha.20250915.1" />
+      <PackageReference Include="Microsoft.TypeSpec.Generator.ClientModel" Version="1.0.0-alpha.20250924.1" />
     </ItemGroup>
 
   <!-- Copy output to package dist path for local execution and  -->

codegen/generator/src/OpenAILibraryVisitor.cs

@@ -49,10 +49,10 @@ public class OpenAILibraryVisitor : ScmLibraryVisitor
 
     protected override TypeProvider VisitType(TypeProvider type)
     {
-        if (type is ModelProvider { BaseModelProvider: null } && type.Fields.Count > 0)
+        var additionalPropertiesField = type.Fields.FirstOrDefault(f => f.Name == AdditionalPropertiesFieldName);
+        if (type is ModelProvider { BaseModelProvider: null } && additionalPropertiesField != null)
         {
             // Add an internal AdditionalProperties property to all base models
-            var additionalPropertiesField = type.Fields.Single(f => f.Name == AdditionalPropertiesFieldName);
             var properties = new List<PropertyProvider>(type.Properties)
             {
                 new PropertyProvider($"", MethodSignatureModifiers.Internal,

codegen/generator/src/Visitors/ExperimentalAttributeVisitor.cs

@@ -618,6 +618,12 @@ public class ExperimentalAttributeVisitor : ScmLibraryVisitor
 
         protected override PropertyProvider? VisitProperty(PropertyProvider property)
         {
+            // Skip properties that are already marked as experimental
+            if (property.Attributes.Any(attr => attr.Type.Equals(typeof(ExperimentalAttribute))))
+            {
+                return base.VisitProperty(property);
+            }
+
             // Skip properties that are not public or are in non-stable classes
             if ((!property.Modifiers.HasFlag(MethodSignatureModifiers.Public) &&
                     !property.Modifiers.HasFlag(MethodSignatureModifiers.Protected)) ||

codegen/generator/src/Visitors/PageOrderRemovalVisitor.cs

@@ -98,7 +98,8 @@ private static InputParameter CreateSyntheticPageOrderInputParameter()
             discriminatedSubtypes: new Dictionary<string, InputModelType>(),
             additionalProperties: null,
             modelAsStruct: true,
-            serializationOptions: new());
+            serializationOptions: new(),
+            isDynamicModel: false);
         return new InputQueryParameter(
             name: "order",
             serializedName: "order",

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.20250915.1",
+    "@typespec/http-client-csharp": "1.0.0-alpha.20250924.1",
     "@typespec/http": "1.4.0",
     "@typespec/openapi": "1.4.0"
   },

src/Generated/Models/Assistants/Assistant.Serialization.cs

@@ -370,7 +370,8 @@ protected virtual Assistant PersistableModelCreateCore(BinaryData data, ModelRea
         public static explicit operator Assistant(ClientResult result)
         {
             using PipelineResponse response = result.GetRawResponse();
-            using JsonDocument document = JsonDocument.Parse(response.Content);
+            BinaryData data = response.Content;
+            using JsonDocument document = JsonDocument.Parse(data);
             return DeserializeAssistant(document.RootElement, ModelSerializationExtensions.WireOptions);
         }
     }

src/Generated/Models/Assistants/AssistantDeletionResult.Serialization.cs

@@ -150,7 +150,8 @@ protected virtual AssistantDeletionResult PersistableModelCreateCore(BinaryData
         public static explicit operator AssistantDeletionResult(ClientResult result)
         {
             using PipelineResponse response = result.GetRawResponse();
-            using JsonDocument document = JsonDocument.Parse(response.Content);
+            BinaryData data = response.Content;
+            using JsonDocument document = JsonDocument.Parse(data);
             return DeserializeAssistantDeletionResult(document.RootElement, ModelSerializationExtensions.WireOptions);
         }
     }

src/Generated/Models/Assistants/AssistantThread.Serialization.cs

@@ -219,7 +219,8 @@ protected virtual AssistantThread PersistableModelCreateCore(BinaryData data, Mo
         public static explicit operator AssistantThread(ClientResult result)
         {
             using PipelineResponse response = result.GetRawResponse();
-            using JsonDocument document = JsonDocument.Parse(response.Content);
+            BinaryData data = response.Content;
+            using JsonDocument document = JsonDocument.Parse(data);
             return DeserializeAssistantThread(document.RootElement, ModelSerializationExtensions.WireOptions);
         }
     }

src/Generated/Models/Assistants/CodeInterpreterToolDefinition.Serialization.cs

@@ -10,7 +10,7 @@
 
 namespace OpenAI.Assistants
 {
-    public partial class CodeInterpreterToolDefinition : IJsonModel<CodeInterpreterToolDefinition>
+    public partial class CodeInterpreterToolDefinition : ToolDefinition, IJsonModel<CodeInterpreterToolDefinition>
     {
         void IJsonModel<CodeInterpreterToolDefinition>.Write(Utf8JsonWriter writer, ModelReaderWriterOptions options)
         {

src/Generated/Models/Assistants/FileSearchToolDefinition.Serialization.cs

@@ -10,7 +10,7 @@
 
 namespace OpenAI.Assistants
 {
-    public partial class FileSearchToolDefinition : IJsonModel<FileSearchToolDefinition>
+    public partial class FileSearchToolDefinition : ToolDefinition, IJsonModel<FileSearchToolDefinition>
     {
         void IJsonModel<FileSearchToolDefinition>.Write(Utf8JsonWriter writer, ModelReaderWriterOptions options)
         {

src/Generated/Models/Assistants/FunctionToolDefinition.Serialization.cs

@@ -10,7 +10,7 @@
 
 namespace OpenAI.Assistants
 {
-    public partial class FunctionToolDefinition : IJsonModel<FunctionToolDefinition>
+    public partial class FunctionToolDefinition : ToolDefinition, IJsonModel<FunctionToolDefinition>
     {
         void IJsonModel<FunctionToolDefinition>.Write(Utf8JsonWriter writer, ModelReaderWriterOptions options)
         {

src/Generated/Models/Assistants/InternalDotNetAssistantResponseFormatJsonObject.Serialization.cs

@@ -11,7 +11,7 @@
 
 namespace OpenAI.Assistants
 {
-    internal partial class InternalDotNetAssistantResponseFormatJsonObject : IJsonModel<InternalDotNetAssistantResponseFormatJsonObject>
+    internal partial class InternalDotNetAssistantResponseFormatJsonObject : AssistantResponseFormat, IJsonModel<InternalDotNetAssistantResponseFormatJsonObject>
     {
         void IJsonModel<InternalDotNetAssistantResponseFormatJsonObject>.Write(Utf8JsonWriter writer, ModelReaderWriterOptions options)
         {

src/Generated/Models/Assistants/InternalDotNetAssistantResponseFormatJsonSchema.Serialization.cs

@@ -11,7 +11,7 @@
 
 namespace OpenAI.Assistants
 {
-    internal partial class InternalDotNetAssistantResponseFormatJsonSchema : IJsonModel<InternalDotNetAssistantResponseFormatJsonSchema>
+    internal partial class InternalDotNetAssistantResponseFormatJsonSchema : AssistantResponseFormat, IJsonModel<InternalDotNetAssistantResponseFormatJsonSchema>
     {
         internal InternalDotNetAssistantResponseFormatJsonSchema() : this(InternalResponseFormatType.JsonSchema, null, null)
         {

src/Generated/Models/Assistants/InternalDotNetAssistantResponseFormatText.Serialization.cs

@@ -11,7 +11,7 @@
 
 namespace OpenAI.Assistants
 {
-    internal partial class InternalDotNetAssistantResponseFormatText : IJsonModel<InternalDotNetAssistantResponseFormatText>
+    internal partial class InternalDotNetAssistantResponseFormatText : AssistantResponseFormat, IJsonModel<InternalDotNetAssistantResponseFormatText>
     {
         void IJsonModel<InternalDotNetAssistantResponseFormatText>.Write(Utf8JsonWriter writer, ModelReaderWriterOptions options)
         {

src/Generated/Models/Assistants/InternalListAssistantsResponse.Serialization.cs

@@ -189,7 +189,8 @@ protected virtual InternalListAssistantsResponse PersistableModelCreateCore(Bina
         public static explicit operator InternalListAssistantsResponse(ClientResult result)
         {
             using PipelineResponse response = result.GetRawResponse();
-            using JsonDocument document = JsonDocument.Parse(response.Content);
+            BinaryData data = response.Content;
+            using JsonDocument document = JsonDocument.Parse(data);
             return DeserializeInternalListAssistantsResponse(document.RootElement, ModelSerializationExtensions.WireOptions);
         }
     }

src/Generated/Models/Assistants/InternalListMessagesResponse.Serialization.cs

@@ -189,7 +189,8 @@ protected virtual InternalListMessagesResponse PersistableModelCreateCore(Binary
         public static explicit operator InternalListMessagesResponse(ClientResult result)
         {
             using PipelineResponse response = result.GetRawResponse();
-            using JsonDocument document = JsonDocument.Parse(response.Content);
+            BinaryData data = response.Content;
+            using JsonDocument document = JsonDocument.Parse(data);
             return DeserializeInternalListMessagesResponse(document.RootElement, ModelSerializationExtensions.WireOptions);
         }
     }

src/Generated/Models/Assistants/InternalListRunStepsResponse.Serialization.cs

@@ -189,7 +189,8 @@ protected virtual InternalListRunStepsResponse PersistableModelCreateCore(Binary
         public static explicit operator InternalListRunStepsResponse(ClientResult result)
         {
             using PipelineResponse response = result.GetRawResponse();
-            using JsonDocument document = JsonDocument.Parse(response.Content);
+            BinaryData data = response.Content;
+            using JsonDocument document = JsonDocument.Parse(data);
             return DeserializeInternalListRunStepsResponse(document.RootElement, ModelSerializationExtensions.WireOptions);
         }
     }

src/Generated/Models/Assistants/InternalListRunsResponse.Serialization.cs

@@ -189,7 +189,8 @@ protected virtual InternalListRunsResponse PersistableModelCreateCore(BinaryData
         public static explicit operator InternalListRunsResponse(ClientResult result)
         {
             using PipelineResponse response = result.GetRawResponse();
-            using JsonDocument document = JsonDocument.Parse(response.Content);
+            BinaryData data = response.Content;
+            using JsonDocument document = JsonDocument.Parse(data);
             return DeserializeInternalListRunsResponse(document.RootElement, ModelSerializationExtensions.WireOptions);
         }
     }

src/Generated/Models/Assistants/InternalMessageContentImageFileObject.Serialization.cs

@@ -10,7 +10,7 @@
 
 namespace OpenAI.Assistants
 {
-    internal partial class InternalMessageContentImageFileObject : IJsonModel<InternalMessageContentImageFileObject>
+    internal partial class InternalMessageContentImageFileObject : MessageContent, IJsonModel<InternalMessageContentImageFileObject>
     {
         internal InternalMessageContentImageFileObject() : this(InternalMessageContentType.ImageFile, null, null)
         {

src/Generated/Models/Assistants/InternalMessageContentImageUrlObject.Serialization.cs

@@ -10,7 +10,7 @@
 
 namespace OpenAI.Assistants
 {
-    internal partial class InternalMessageContentImageUrlObject : IJsonModel<InternalMessageContentImageUrlObject>
+    internal partial class InternalMessageContentImageUrlObject : MessageContent, IJsonModel<InternalMessageContentImageUrlObject>
     {
         internal InternalMessageContentImageUrlObject() : this(InternalMessageContentType.ImageUrl, null, null)
         {

src/Generated/Models/Assistants/InternalMessageContentRefusalObject.Serialization.cs

@@ -10,7 +10,7 @@
 
 namespace OpenAI.Assistants
 {
-    internal partial class InternalMessageContentRefusalObject : IJsonModel<InternalMessageContentRefusalObject>
+    internal partial class InternalMessageContentRefusalObject : MessageContent, IJsonModel<InternalMessageContentRefusalObject>
     {
         internal InternalMessageContentRefusalObject() : this(InternalMessageContentType.Refusal, null, null)
         {

src/Generated/Models/Assistants/InternalMessageContentTextAnnotationsFileCitationObject.Serialization.cs

@@ -10,7 +10,7 @@
 
 namespace OpenAI.Assistants
 {
-    internal partial class InternalMessageContentTextAnnotationsFileCitationObject : IJsonModel<InternalMessageContentTextAnnotationsFileCitationObject>
+    internal partial class InternalMessageContentTextAnnotationsFileCitationObject : InternalMessageContentTextObjectAnnotation, IJsonModel<InternalMessageContentTextAnnotationsFileCitationObject>
     {
         internal InternalMessageContentTextAnnotationsFileCitationObject() : this(InternalMessageContentTextAnnotationType.FileCitation, null, null, null, default, default)
         {

src/Generated/Models/Assistants/InternalMessageContentTextAnnotationsFilePathObject.Serialization.cs

@@ -10,7 +10,7 @@
 
 namespace OpenAI.Assistants
 {
-    internal partial class InternalMessageContentTextAnnotationsFilePathObject : IJsonModel<InternalMessageContentTextAnnotationsFilePathObject>
+    internal partial class InternalMessageContentTextAnnotationsFilePathObject : InternalMessageContentTextObjectAnnotation, IJsonModel<InternalMessageContentTextAnnotationsFilePathObject>
     {
         internal InternalMessageContentTextAnnotationsFilePathObject() : this(InternalMessageContentTextAnnotationType.FilePath, null, null, null, default, default)
         {

src/Generated/Models/Assistants/InternalMessageContentTextObject.Serialization.cs

@@ -9,7 +9,7 @@
 
 namespace OpenAI.Assistants
 {
-    internal partial class InternalMessageContentTextObject : IJsonModel<InternalMessageContentTextObject>
+    internal partial class InternalMessageContentTextObject : MessageContent, IJsonModel<InternalMessageContentTextObject>
     {
         internal InternalMessageContentTextObject() : this(InternalMessageContentType.Text, null, null)
         {

src/Generated/Models/Assistants/InternalMessageDeltaContentImageFileObject.Serialization.cs

@@ -10,7 +10,7 @@
 
 namespace OpenAI.Assistants
 {
-    internal partial class InternalMessageDeltaContentImageFileObject : IJsonModel<InternalMessageDeltaContentImageFileObject>
+    internal partial class InternalMessageDeltaContentImageFileObject : InternalMessageDeltaContent, IJsonModel<InternalMessageDeltaContentImageFileObject>
     {
         internal InternalMessageDeltaContentImageFileObject() : this(InternalMessageContentType.ImageFile, null, default, null)
         {

src/Generated/Models/Assistants/InternalMessageDeltaContentImageUrlObject.Serialization.cs

@@ -10,7 +10,7 @@
 
 namespace OpenAI.Assistants
 {
-    internal partial class InternalMessageDeltaContentImageUrlObject : IJsonModel<InternalMessageDeltaContentImageUrlObject>
+    internal partial class InternalMessageDeltaContentImageUrlObject : InternalMessageDeltaContent, IJsonModel<InternalMessageDeltaContentImageUrlObject>
     {
         internal InternalMessageDeltaContentImageUrlObject() : this(InternalMessageContentType.ImageUrl, null, default, null)
         {

src/Generated/Models/Assistants/InternalMessageDeltaContentRefusalObject.Serialization.cs

@@ -10,7 +10,7 @@
 
 namespace OpenAI.Assistants
 {
-    internal partial class InternalMessageDeltaContentRefusalObject : IJsonModel<InternalMessageDeltaContentRefusalObject>
+    internal partial class InternalMessageDeltaContentRefusalObject : InternalMessageDeltaContent, IJsonModel<InternalMessageDeltaContentRefusalObject>
     {
         internal InternalMessageDeltaContentRefusalObject() : this(InternalMessageContentType.Refusal, null, default, null)
         {

src/Generated/Models/Assistants/InternalMessageDeltaContentTextAnnotationsFileCitationObject.Serialization.cs

@@ -10,7 +10,7 @@
 
 namespace OpenAI.Assistants
 {
-    internal partial class InternalMessageDeltaContentTextAnnotationsFileCitationObject : IJsonModel<InternalMessageDeltaContentTextAnnotationsFileCitationObject>
+    internal partial class InternalMessageDeltaContentTextAnnotationsFileCitationObject : InternalMessageDeltaTextContentAnnotation, IJsonModel<InternalMessageDeltaContentTextAnnotationsFileCitationObject>
     {
         internal InternalMessageDeltaContentTextAnnotationsFileCitationObject() : this(InternalMessageContentTextAnnotationType.FileCitation, null, default, null, null, default, default)
         {

src/Generated/Models/Assistants/InternalMessageDeltaContentTextAnnotationsFilePathObject.Serialization.cs

@@ -10,7 +10,7 @@
 
 namespace OpenAI.Assistants
 {
-    internal partial class InternalMessageDeltaContentTextAnnotationsFilePathObject : IJsonModel<InternalMessageDeltaContentTextAnnotationsFilePathObject>
+    internal partial class InternalMessageDeltaContentTextAnnotationsFilePathObject : InternalMessageDeltaTextContentAnnotation, IJsonModel<InternalMessageDeltaContentTextAnnotationsFilePathObject>
     {
         internal InternalMessageDeltaContentTextAnnotationsFilePathObject() : this(InternalMessageContentTextAnnotationType.FilePath, null, default, null, null, default, default)
         {

src/Generated/Models/Assistants/InternalMessageDeltaContentTextObject.Serialization.cs

@@ -10,7 +10,7 @@
 
 namespace OpenAI.Assistants
 {
-    internal partial class InternalMessageDeltaContentTextObject : IJsonModel<InternalMessageDeltaContentTextObject>
+    internal partial class InternalMessageDeltaContentTextObject : InternalMessageDeltaContent, IJsonModel<InternalMessageDeltaContentTextObject>
     {
         internal InternalMessageDeltaContentTextObject() : this(InternalMessageContentType.Text, null, default, null)
         {

src/Generated/Models/Assistants/InternalRequiredFunctionToolCall.Serialization.cs

@@ -10,7 +10,7 @@
 
 namespace OpenAI.Assistants
 {
-    internal partial class InternalRequiredFunctionToolCall : IJsonModel<InternalRequiredFunctionToolCall>
+    internal partial class InternalRequiredFunctionToolCall : InternalRequiredToolCall, IJsonModel<InternalRequiredFunctionToolCall>
     {
         internal InternalRequiredFunctionToolCall()
         {

src/Generated/Models/Assistants/InternalRequiredFunctionToolCall.cs

@@ -7,7 +7,7 @@
 
 namespace OpenAI.Assistants
 {
-    internal partial class InternalRequiredFunctionToolCall
+    internal partial class InternalRequiredFunctionToolCall : InternalRequiredToolCall
     {
         private protected IDictionary<string, BinaryData> _additionalBinaryDataProperties;
 

src/Generated/Models/Assistants/InternalRunStepCodeInterpreterLogOutput.Serialization.cs

@@ -10,7 +10,7 @@
 
 namespace OpenAI.Assistants
 {
-    internal partial class InternalRunStepCodeInterpreterLogOutput : IJsonModel<InternalRunStepCodeInterpreterLogOutput>
+    internal partial class InternalRunStepCodeInterpreterLogOutput : RunStepCodeInterpreterOutput, IJsonModel<InternalRunStepCodeInterpreterLogOutput>
     {
         internal InternalRunStepCodeInterpreterLogOutput() : this(InternalRunStepDetailsCodeInterpreterOutputType.Logs, null, null)
         {

src/Generated/Models/Assistants/InternalRunStepDeltaStepDetailsMessageCreationObject.Serialization.cs

@@ -10,7 +10,7 @@
 
 namespace OpenAI.Assistants
 {
-    internal partial class InternalRunStepDeltaStepDetailsMessageCreationObject : IJsonModel<InternalRunStepDeltaStepDetailsMessageCreationObject>
+    internal partial class InternalRunStepDeltaStepDetailsMessageCreationObject : InternalRunStepDeltaStepDetails, IJsonModel<InternalRunStepDeltaStepDetailsMessageCreationObject>
     {
         void IJsonModel<InternalRunStepDeltaStepDetailsMessageCreationObject>.Write(Utf8JsonWriter writer, ModelReaderWriterOptions options)
         {

src/Generated/Models/Assistants/InternalRunStepDeltaStepDetailsToolCallsCodeObject.Serialization.cs

@@ -10,7 +10,7 @@
 
 namespace OpenAI.Assistants
 {
-    internal partial class InternalRunStepDeltaStepDetailsToolCallsCodeObject : IJsonModel<InternalRunStepDeltaStepDetailsToolCallsCodeObject>
+    internal partial class InternalRunStepDeltaStepDetailsToolCallsCodeObject : InternalRunStepDeltaStepDetailsToolCallsObjectToolCallsObject, IJsonModel<InternalRunStepDeltaStepDetailsToolCallsCodeObject>
     {
         internal InternalRunStepDeltaStepDetailsToolCallsCodeObject() : this(RunStepToolCallKind.CodeInterpreter, null, default, null, null)
         {

src/Generated/Models/Assistants/InternalRunStepDeltaStepDetailsToolCallsCodeOutputImageObject.Serialization.cs

@@ -10,7 +10,7 @@
 
 namespace OpenAI.Assistants
 {
-    internal partial class InternalRunStepDeltaStepDetailsToolCallsCodeOutputImageObject : IJsonModel<InternalRunStepDeltaStepDetailsToolCallsCodeOutputImageObject>
+    internal partial class InternalRunStepDeltaStepDetailsToolCallsCodeOutputImageObject : RunStepUpdateCodeInterpreterOutput, IJsonModel<InternalRunStepDeltaStepDetailsToolCallsCodeOutputImageObject>
     {
         internal InternalRunStepDeltaStepDetailsToolCallsCodeOutputImageObject() : this(InternalRunStepDetailsCodeInterpreterOutputType.Image, null, default, null)
         {

src/Generated/Models/Assistants/InternalRunStepDeltaStepDetailsToolCallsCodeOutputLogsObject.Serialization.cs

@@ -10,7 +10,7 @@
 
 namespace OpenAI.Assistants
 {
-    internal partial class InternalRunStepDeltaStepDetailsToolCallsCodeOutputLogsObject : IJsonModel<InternalRunStepDeltaStepDetailsToolCallsCodeOutputLogsObject>
+    internal partial class InternalRunStepDeltaStepDetailsToolCallsCodeOutputLogsObject : RunStepUpdateCodeInterpreterOutput, IJsonModel<InternalRunStepDeltaStepDetailsToolCallsCodeOutputLogsObject>
     {
         internal InternalRunStepDeltaStepDetailsToolCallsCodeOutputLogsObject() : this(InternalRunStepDetailsCodeInterpreterOutputType.Logs, null, default, null)
         {

src/Generated/Models/Assistants/InternalRunStepDeltaStepDetailsToolCallsFileSearchObject.Serialization.cs

@@ -10,7 +10,7 @@
 
 namespace OpenAI.Assistants
 {
-    internal partial class InternalRunStepDeltaStepDetailsToolCallsFileSearchObject : IJsonModel<InternalRunStepDeltaStepDetailsToolCallsFileSearchObject>
+    internal partial class InternalRunStepDeltaStepDetailsToolCallsFileSearchObject : InternalRunStepDeltaStepDetailsToolCallsObjectToolCallsObject, IJsonModel<InternalRunStepDeltaStepDetailsToolCallsFileSearchObject>
     {
         internal InternalRunStepDeltaStepDetailsToolCallsFileSearchObject() : this(RunStepToolCallKind.FileSearch, null, default, null, null)
         {