Update AI changelogs for 9.10.1 (dotnet#6950)

* Update AI changelogs for 9.10.1

* Update src/Libraries/Microsoft.Extensions.AI.OpenAI/CHANGELOG.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: 2 people

src/Libraries/Microsoft.Extensions.AI.Abstractions/CHANGELOG.md

@@ -2,8 +2,15 @@
 
 ## NOT YET RELEASED
 
+- Updated `AIFunctionFactory` to respect `[DisplayName(...)]` on functions as a way to override the function name.
+- Updated `AIFunctionFactory` to respect `[DefaultValue(...)]` on function parameters as a way to specify default values.
+
+## 9.10.1
+
 - Updated `HostedMcpServerTool` to allow for non-`Uri` server addresses, in order to enable built-in names.
 - Updated `HostedMcpServerTool` to replace the header collection with an `AuthorizationToken` property.
+- Fixed `ToChatResponse{Async}` to not discard `TextReasoningContent.ProtectedData` when coalescing messages.
+- Fixed `AIFunctionFactory.Create` to special-case return types of `AIContent` and `IEnumerable<AIContent>` to not automatically JSON serialize them.
 
 ## 9.10.0
 

src/Libraries/Microsoft.Extensions.AI.AzureAIInference/CHANGELOG.md

@@ -1,5 +1,9 @@
 # Release History
 
+## 9.10.1-preview.1.25521.4
+
+- No changes.
+
 ## 9.10.0-preview.1.25513.3
 
 - Updated to accommodate the additions in `Microsoft.Extensions.AI.Abstractions`.

src/Libraries/Microsoft.Extensions.AI.OpenAI/CHANGELOG.md

@@ -1,8 +1,9 @@
 # Release History
 
-## NOT YET RELEASED
+## 9.10.1-preview.1.25521.4
 
-- Updated `IChatClient` for Responses API to support connectors with `HostedMcpServerTool`.
+- Updated the `IChatClient` for the OpenAI Responses API to support connectors with `HostedMcpServerTool`.
+- Fixed the `IChatClient` for the OpenAI Responses API to roundtrip a `ResponseItem` stored in an `AIContent` in a `ChatRole.User` message.
 - Updated to accommodate the additions in `Microsoft.Extensions.AI.Abstractions`.
 
 ## 9.10.0-preview.1.25513.3

src/Libraries/Microsoft.Extensions.AI/CHANGELOG.md

@@ -1,6 +1,9 @@
 # Release History
 
-## NOT YET RELEASED
+## 9.10.1
+
+- Added an `[Experimental]` implementation of tool reduction component for constraining the set of tools exposed.
+- Fixed `SummarizingChatReducer` to preserve function calling content in the chat history.
 
 ## 9.10.0