.Net: Update M.E.AI to 9.1.0-preview.1.25064.3 (#10199)

Author: stephentoub

dotnet/Directory.Packages.props

@@ -63,9 +63,9 @@
     <PackageVersion Include="Microsoft.DeepDev.TokenizerLib" Version="1.3.3" />
     <PackageVersion Include="SharpToken" Version="2.0.3" />
     <!-- Microsoft.Extensions.* -->
-    <PackageVersion Include="Microsoft.Extensions.AI" Version="9.0.1-preview.1.24570.5" />
-    <PackageVersion Include="Microsoft.Extensions.AI.Abstractions" Version="9.0.1-preview.1.24570.5" />
-    <PackageVersion Include="Microsoft.Extensions.AI.AzureAIInference" Version="9.0.1-preview.1.24570.5" />
+    <PackageVersion Include="Microsoft.Extensions.AI" Version="9.1.0-preview.1.25064.3" />
+    <PackageVersion Include="Microsoft.Extensions.AI.Abstractions" Version="9.1.0-preview.1.25064.3" />
+    <PackageVersion Include="Microsoft.Extensions.AI.AzureAIInference" Version="9.1.0-preview.1.25064.3" />
     <PackageVersion Include="Microsoft.Extensions.Configuration" Version="8.0.0" />
     <PackageVersion Include="Microsoft.Extensions.Configuration.Binder" Version="8.0.2" />
     <PackageVersion Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="8.0.0" />

dotnet/src/SemanticKernel.Abstractions/AI/ChatCompletion/ChatClientChatCompletionService.cs

@@ -162,7 +162,7 @@ public async IAsyncEnumerable<StreamingChatMessageContent> GetStreamingChatMessa
                     {
                         "text" => ChatResponseFormat.Text,
                         "json_object" => ChatResponseFormat.Json,
-                        JsonElement e => ChatResponseFormat.ForJsonSchema(e.ToString()),
+                        JsonElement e => ChatResponseFormat.ForJsonSchema(e),
                         _ => null,
                     };
                 }

dotnet/src/SemanticKernel.Abstractions/AI/ChatCompletion/ChatCompletionServiceChatClient.cs

@@ -155,8 +155,8 @@ public void Dispose()
             }
             else if (options.ResponseFormat is ChatResponseFormatJson json)
             {
-                settings.ExtensionData["response_format"] = json.Schema is not null ?
-                    JsonSerializer.Deserialize(json.Schema, AbstractionsJsonContext.Default.JsonElement) :
+                settings.ExtensionData["response_format"] = json.Schema is JsonElement schema ?
+                    JsonSerializer.Deserialize(schema, AbstractionsJsonContext.Default.JsonElement) :
                     "json_object";
             }
         }

dotnet/src/SemanticKernel.UnitTests/AI/ServiceConversionExtensionsTests.cs

@@ -256,9 +256,9 @@ public async Task AsChatClientNonStreamingResponseFormatHandled()
         oaiSettings = JsonSerializer.Deserialize<OpenAIPromptExecutionSettings>(JsonSerializer.Serialize(actualSettings));
         Assert.Equal("json_object", oaiSettings?.ResponseFormat?.ToString());
 
-        await client.CompleteAsync(messages, new() { ResponseFormat = ChatResponseFormat.ForJsonSchema("""
+        await client.CompleteAsync(messages, new() { ResponseFormat = ChatResponseFormat.ForJsonSchema(JsonSerializer.Deserialize<JsonElement>("""
             {"type": "string"}
-            """) });
+            """)) });
         oaiSettings = JsonSerializer.Deserialize<OpenAIPromptExecutionSettings>(JsonSerializer.Serialize(actualSettings));
         Assert.Equal(JsonValueKind.Object, Assert.IsType<JsonElement>(oaiSettings?.ResponseFormat).ValueKind);
     }