* .NET: [BREAKING] Add session statebag to use for state storage instead of inside providers (#3737)
* 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
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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
* Add a public StateKey property to providers (#3810)
* .NET: [BREAKING] Update providers in such a way that they can participate in a pipeline (#3846)
* Make providers pipeline capable
* Fix unit tests
* Move source stamping to providers from base class
* Also update samples.
* Address PR comments
* Rename AsAgentRequestMessageSourcedMessage to WithAgentRequestMessageSource
* .NET: [BREAKING] Add consistent message filtering to all providers. (#3851)
* Add consistent message filtering to all providers.
* Remove old chat history filtering classes
* Fix merge issues
* Fix unit test
* Enforce non-nullable property
* Fix merging bug and make troubleshooting source info easier by adding tostring implementation
* .NET: [BREAKING] Add support for multiple AIContextProviders on a ChatClientAgent (#3863)
* Add support for multiple AIContextProviders on a ChatClientAgent
* Address PR comments and fix tests
* Address PR comments.
* .NET: [BREAKING]Delay AIContext Materialization until the end of the pipeline is reached. (#3883)
* Delay AIContext Materialization until the end of the pipeline is reached.
* Address PR comments.
* Address PR comments
* Modify InvokedContext to be immutable (#3888)
* .NET: Address Feedback on StateBag feature branch PR (#3910)
* Address Feedback on statebag feature branch PR
* Update dotnet/src/Microsoft.Agents.AI.DurableTask/CHANGELOG.md
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
* Address PR comments
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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
* Add ability to mark the source of Agent request messages and use that for filtering
* Add support for source, in addition to source type, and add unit tests for automatic stamping
* Address PR comments.
* Add merge fixes
* Address PR comments
* Add a StateBag to AgentSession and pass Agent and AgentSession to AIContextProvider and ChatHistoryProviders
* Remove statebag code from this branch, to get the refactoring out of the way first
* Apply suggestion from @rogerbarreto
Co-authored-by: Roger Barreto <19890735+rogerbarreto@users.noreply.github.com>
* Apply suggestion from @westey-m
* Apply suggestion from @westey-m
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Co-authored-by: Roger Barreto <19890735+rogerbarreto@users.noreply.github.com>
* Fix issue where AIContextProvider messages were not added to MessageStores
* Fix typos
* Update XML docs to reduce ambiguity.
* Update AIContext XML docs
* Fix merge issue
* Porting Mem0Provider to AF from SK
* Switch integration tests to manual
* Address issues
* Move Mem0Provider to separate project.
* Move integration tests to new project
* Address PR comments.
Stephen ToubandGitHub