* Use copilot to improve XML docs for M.Agents.AI{.Abstractions}
Asked copilot to help improve some of the docs, then I reviewed them.
I also cleaned up a few things along the way, like a couple of extension method types that should be combined.
* Update dotnet/src/Microsoft.Agents.AI.Abstractions/InMemoryChatMessageStore.cs
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Co-authored-by: Mark Wallace <127216156+markwallace-microsoft@users.noreply.github.com>
* Make serialize methods sync and rename one to match others.
* Remove unnecessary async postfixes.
* Remove nullability of ChatMessageStore.Serialize return type, since the default JsonElement already represents an undefined json element.
* Fix unit test
* Rename AI Agent packages to use Microsoft.Agents.AI
* Fix for build
* Fix formatting
* Fix formatting
* Ignore in VSTHRD200 in migration samples
* Ignore in VSTHRD200 in migration samples
* Add some missing projects and run format
* Fix build errors
* Address code review feedback
* Fix merge issues
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Co-authored-by: Mark Wallace <markwallace@microsoft.com>
westeyandGitHub
Stephen ToubandGitHub
