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agent-framework/dotnet/samples
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Roger Barreto 0e2fcb1c7f .NET: Add Foundry Memory Context Provider (#3522)
* Add Azure AI Foundry Memory Context Provider with unit tests

* Add FoundryMemory integration tests and sample application

* Fix ClearStoredMemoriesAsync to handle 404 gracefully and rename to EnsureStoredMemoriesDeletedAsync

* Refactor FoundryMemory: simplify architecture and add memory store creation

- Remove IFoundryMemoryOperations interface (was only for test mocking)
- Remove AIProjectClientMemoryOperations wrapper class
- Provider now directly uses AIProjectClient with internal extension methods
- Extension methods return actual response models instead of extracted values
- Remove WaitForUpdateCompletionAsync from provider (sample uses delay)
- Simplify EnsureMemoryStoreCreatedAsync to return Task instead of Task<bool>
- Add memory store creation with chat_model and embedding_model
- Add UpdateMemoriesResponse with SupersededBy and Error fields
- Simplify unit tests to focus on constructor validation and serialization
- Update sample to use simple delay for memory processing wait

* Add waiting operation for memory store updates

* Fix UTF-8 BOM encoding for FoundryMemory csproj files

* Update copilot instructions for UTF-8 BOM and fix sample API rename

* Fix UTF-8 BOM encoding for TestableAIProjectClient.cs

* Add missing response headers for TS

* Changing default embedding

* Using the SDK Models

* Program update

* Remove debugging code from sample

* Adapt FoundryMemoryProvider to new AIContextProvider API and add UTF-8 BOM instruction

- Override ProvideAIContextAsync/StoreAIContextAsync instead of removed virtual InvokingAsync/InvokedAsync
- Use ProviderSessionState<State> for session-scoped state management (matching Mem0Provider pattern)
- Replace constructor-based scope with stateInitializer delegate
- Remove Serialize method (no longer on base class)
- Add SearchInputMessageFilter, StorageInputMessageFilter, StateKey to options
- Update sample to use AIContextProviders list instead of AIContextProviderFactory
- Update unit and integration tests for new API
- Add UTF-8 BOM encoding and --tl:off instructions to dotnet/AGENTS.md

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Use DefaultAzureCredential in Foundry Memory sample

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Address PR review comments for FoundryMemoryProvider

- Move memoryStoreName from options to required constructor parameter
- Make FoundryMemoryProviderScope require non-null/whitespace scope in constructor
- Make Scope property read-only (getter only)
- Replace ConcurrentQueue with single last update ID to fix memory leak
- Only clear pending update ID after successful completion
- Add delete success logging
- Mark FoundryMemoryProvider with [Experimental] attribute
- Update unit tests for new API signatures

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Use Throw.IfNullOrWhitespace for scope and memoryStoreName validation

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
0e2fcb1c7f ยท 2026-02-20 11:25:06 +00:00
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Agent Framework Samples

The agent framework samples are designed to help you get started with building AI-powered agents from various providers.

The Agent Framework supports building agents using various infererence and inference-style services. All these are supported using the single ChatClientAgent class.

The Agent Framework also supports creating proxy agents, that allow accessing remote agents as if they were local agents. These are supported using various AIAgent subclasses.

Sample Categories

The samples are subdivided into the following categories:

Prerequisites

For prerequisites see each set of samples for their specific requirements.