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.NET: [BREAKING] Add session statebag to use for state storage instead of inside providers (#3737)

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* Add a StateBag to AgentSession and pass Agent and AgentSession to AIContextProvider and ChatHistoryProviders

* Convert all AIContextProviders to use the statebag

* Update InMemoryChatHistoryProvider to use StateBag

* Update Comsos and Workflow ChatHistoryProviders

* Update 3rd party chat history storage sample.

* Remove serialize method from providers

* Replacing provider factories with properties

* Remove Providers from Session and flatten state bag serialization

* Update samples to use getservice on agent

* Updated additional session types to serialize statebag

* Fix regression

* Address PR comments

* Address PR comments.

* Fix formatting

* Fix unit tests

* Remove InMemoryAgentSession since it is not required anymore.

* Address PR comments

* Convert sessions for A2AAgent, ChatClientAgent, CopilotStudioAgent and GithubCopilotAgent to use regular json serialization.

* Fix durable agent session jso usgae

* Add jso to InMemory and Workflow ChatHistoryProviders

* Update InMemoryChatHistoryProvider to use an options class for it's many optional settings.

* Apply suggestions from code review

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

* Address PR feedback

* Fix verification bug.

* Improve state bag thread safety

* Address PR comments and fix unit tests

* Address PR comments

* Fix unit test

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
This commit is contained in:
westey
2026-02-10 12:03:37 +00:00
committed by GitHub
Unverified
parent 977c3adfb2
commit b12ff578af
93 changed files with 2990 additions and 3178 deletions
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dotnet/samples/GettingStarted/AgentWithRAG/AgentWithRAG_Step03_CustomRAGDataSource/Program.cs
+1 -1
View File
@@ -29,7 +29,7 @@ AIAgent agent = new AzureOpenAIClient(
.AsAIAgent(new ChatClientAgentOptions
{
ChatOptions = new() { Instructions = "You are a helpful support specialist for Contoso Outdoors. Answer questions using the provided context and cite the source document when available." },
AIContextProviderFactory = (ctx, ct) => new ValueTask<AIContextProvider>(new TextSearchProvider(MockSearchAsync, ctx.SerializedState, ctx.JsonSerializerOptions, textSearchOptions))
AIContextProvider = new TextSearchProvider(MockSearchAsync, textSearchOptions)
});
AgentSession session = await agent.CreateSessionAsync();