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feature/python-hosting
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3 Commits

  • .NET: Fix OpenAIResponsesAgentClient to include agentName in endpoint path (#5748) 
    * Fix OpenAIResponsesAgentClient endpoint to include agentName in path (#5324)

The sample OpenAIResponsesAgentClient used '/v1/' as the endpoint, which
routes to the multi-agent endpoint requiring agent.name in the request body.
However, AsIChatClient(agentName) maps agentName to the model field, not
agent.name, causing HTTP 400 errors on OpenAI-compatible endpoints.

Changed the endpoint to '/{agentName}/v1/' to match the pattern used by
OpenAIChatCompletionsAgentClient, routing to the single-agent endpoint
where no agent.name body field is needed.

Added regression test verifying that the model field alone is insufficient
for agent resolution on the multi-agent endpoint.

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

* Address review feedback for #5324

- URL-escape agentName in OpenAIResponsesAgentClient endpoint path to
  handle reserved characters safely
- Add per-agent MapOpenAIResponses() calls in AgentHost so the sample
  host serves the /{agentName}/v1/responses routes the client now targets
- Replace brittle Assert.Contains("agent.name") assertions with stable
  machine-readable error code assertion ("missing_required_parameter")

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

* Address additional review feedback for #5324

- Apply Uri.EscapeDataString to OpenAIChatCompletionsAgentClient endpoint
  for consistency with OpenAIResponsesAgentClient
- Map OpenAI Responses and ChatCompletions endpoints for all builder-based
  agents (chemist, mathematician, literator, science workflows) so every
  discoverable agent is reachable via the single-agent endpoint path

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

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Co-authored-by: Copilot <copilot@github.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
    Giles Odigwe · 2026-05-12 17:16:47 +00:00
    3b6a4574eb
  • .NET: [Breaking] Migrate A2A agent and hosting to A2A SDK v1 (#5423) 
    * update a2a agent to the latest a2a sdk (#5257)

* Move A2A samples from 04-hosting to 02-agents (#5267)

Move the A2A sample projects (A2AAgent_AsFunctionTools and
A2AAgent_PollingForTaskCompletion) from samples/04-hosting/A2A/ to
samples/02-agents/A2A/ to better align with the sample directory
structure. Update solution file and samples README accordingly.

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

* .NET: Fix stream reconnection for A2AAgent (#5275)

* Add SSE stream reconnection support to A2AAgent

Implement automatic reconnection for SSE streams that disconnect mid-task,
using the Last-Event-ID header to resume from where the stream left off.

Changes:
- Add InvokeStreamingWithReconnectAsync method to A2AAgent with configurable
  max retries and delay between attempts
- Add new log messages for reconnection events
- Add A2AAgent_StreamReconnection sample demonstrating the feature
- Update existing polling sample to use simplified SendMessageAsync API
- Add unit tests for stream reconnection logic

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

* address comments

* Address PR review feedback

- Dispose SSE enumerator before GetTaskAsync fallback to release HTTP connection
- Wrap StreamWriter in using blocks with leaveOpen:true and explicit UTF-8 encoding
- Print update.Text instead of update object in stream reconnection sample

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

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

* .NET: Use IA2AClientFactory to create A2AClient (#5277)

* Refactor A2A extensions to use IA2AClientFactory and add ProtocolSelection sample

- Update A2AAgentCardExtensions to accept IA2AClientFactory instead of A2AClientOptions
- Update A2ACardResolverExtensions to accept IA2AClientFactory
- Update A2AClientExtensions to accept IA2AClientFactory
- Update A2AAgent to use IA2AClientFactory for client creation
- Add A2AAgent_ProtocolSelection sample demonstrating protocol selection
- Add comprehensive unit tests for all changes
- Update README files with new sample reference

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

* Reorder params: options before loggerFactory in A2A extensions

Move A2AClientOptions parameter before ILoggerFactory in AsAIAgent
and GetAIAgentAsync extension methods to follow the repo convention
of keeping LoggerFactory and CancellationToken as the last parameters.

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

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

* .NET: Migrate A2A hosting to A2A SDK v1 (#5363)

* .NET: Migrate A2A hosting to A2A SDK v1

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

* remove unused agent card

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

* .NET: Split A2A endpoint mapping into protocol-specific methods (#5413)

* .NET: Refactor A2A hosting registration into A2AServerServiceCollectionExtensions

- Rename A2AHostingOptions to A2AServerRegistrationOptions
- Move server registration logic from A2AEndpointRouteBuilderExtensions
  and AIAgentExtensions into new A2AServerServiceCollectionExtensions
- Remove A2AProtocolBinding and AIAgentExtensions (consolidated)
- Update samples and tests to use the new registration API

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

* address copilot comments

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

* Remove unnecessary using directive in AgentWebChat.AgentHost

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

* restore AsyncEnumerable package version

* address copilot initial feedback

* address automated code review and formatting issues

* fix formatting issues

* Add DI wiring verification tests for AddA2AServer

Add three tests to A2AServerServiceCollectionExtensionsTests that verify
custom keyed services are actually wired through to the A2AServer, not
just that the server resolves non-null:

- Custom IAgentHandler: verifies the keyed handler is invoked when
  processing a SendMessageRequest instead of the default A2AAgentHandler.
- Custom AgentSessionStore (no handler): verifies the keyed session
  store's GetSessionAsync is called during request processing when no
  custom handler is registered.
- Default stores end-to-end: verifies the InMemoryAgentSessionStore and
  InMemoryTaskStore defaults successfully process a request. Uses a new
  CreateAgentMockForRequests helper that includes SerializeSessionCoreAsync
  setup needed by InMemoryAgentSessionStore.

All tests call A2AServer.SendMessageAsync directly (no HTTP layer needed)
and use CancellationToken timeouts to guard against hangs.

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

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Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
    SergeyMenshykh · 2026-04-23 07:53:00 +00:00
    66e02c10e3
  • Python / .NET Samples - Restructure and Improve Samples (Feature Branc… (#4092) 
    * Python: .NET Samples - Restructure and Improve Samples (Feature Branch) (#4091)

* Moved by agent (#4094)

* Fix readme links

* .NET Samples - Create `04-hosting` learning path step (#4098)

* Agent move

* Agent reorderd

* Remove A2A section from README 

Removed A2A section from the Getting Started README.

* Agent fixed links

* Fix broken sample links in durable-agents README (#4101)

* Initial plan

* Fix broken internal links in documentation

Co-authored-by: crickman <66376200+crickman@users.noreply.github.com>

* Revert template link changes; keep only durable-agents README fix

Co-authored-by: crickman <66376200+crickman@users.noreply.github.com>

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: crickman <66376200+crickman@users.noreply.github.com>

* .NET Samples - Create `03-workflows` learning path step (#4102)

* Fix solution project path

* Python: Fix broken markdown links to repo resources (outside /docs) (#4105)

* Initial plan

* Fix broken markdown links to repo resources

Co-authored-by: crickman <66376200+crickman@users.noreply.github.com>

* Update README to rename .NET Workflows Samples section

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: crickman <66376200+crickman@users.noreply.github.com>

* .NET Samples - Create `02-agents` learning path step (#4107)

* .NET: Fix broken relative link in GroupChatToolApproval README (#4108)

* Initial plan

* Fix broken link in GroupChatToolApproval README

Co-authored-by: crickman <66376200+crickman@users.noreply.github.com>

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: crickman <66376200+crickman@users.noreply.github.com>

* Update labeler configuration for workflow samples

* .NET - Reorder Agents samples to start from Step01 instead of Step04 (#4110)

* Fix solution

* Resolve new sample paths

* Move new AgentSkills and AgentWithMemory_Step04 samples

* Fix link

* Fix readme path

* fix: update stale dotnet/samples/Durable path reference in AGENTS.md

Co-authored-by: crickman <66376200+crickman@users.noreply.github.com>

* Moved new sample

* Update solution

* Resolve merge (new sample)

* Sync to new sample - FoundryAgents_Step21_BingCustomSearch

* Updated README

* .NET Samples - Configuration Naming Update (#4149)

* .NET: Restore AzureFunctions index parity with ConsoleApps under DurableAgents samples (#4221)

* Clean-up `05_host_your_agent`

* Config setting consistency

* Refine samples

* AGENTS.md

* Move new samples

* Re-order samples

* Move new project and fixup solution

* Fixup model config

* Fix up new UT project

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Co-authored-by: Copilot <198982749+Copilot@users.noreply.github.com>
    Chris · 2026-02-26 00:56:10 +00:00
    904a5b843e