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Roger Barreto
9f31bb6795
Replaces the brittle UserAgentResponsesClient subclass with a clean per-call x-client-* header pipeline built on the new Microsoft.Extensions.AI 10.5.1 OpenAIRequestPolicies hook. Public surface (Microsoft.Agents.AI.Foundry, [Experimental(MAAI001)]): * chatOptions.WithClientHeader(name, value) and .WithClientHeaders(IEnumerable) validate the x-client- prefix (case-insensitive), apply all-or-nothing on bulk, and throw InvalidOperationException on foreign-typed slot collision * myAgent.AsBuilder().UseClientHeaders().Build() opts a customer-built agent into the pipeline; idempotent via agent.GetService<ClientHeadersAgent>() * Foundry-built agents (FoundryAgent.Create*) pre-wire automatically Internals: * ClientHeadersAgent decorator snapshots the dict at scope-push time so concurrent runs sharing a ChatOptions reference do not leak headers * ClientHeadersScope is an AsyncLocal<IReadOnlyDictionary<string,string>?> with LIFO push/dispose semantics * ClientHeadersPolicy singleton stamps headers via Headers.Set so per-call values overwrite any same-name header from earlier policies and so duplicate registration is value-stable * OpenAIRequestPoliciesReflection dedups against MEAI's private _entries field and falls back to AddPolicy on any reflection failure; a CI test asserts the field shape on every MEAI bump Hosting cleanup: * Deleted UserAgentResponsesClient and its dummy throwing pipeline * HostedAgentUserAgentPolicy is now registered via OpenAIRequestPolicies in FoundryHostingExtensions.TryApplyUserAgent Tests: * 19 new unit tests in ClientHeadersExtensionsTests.cs covering validation, AsyncLocal isolation, snapshot semantics, end-to-end wire stamping, and shared-chat-client dedup * Updated OpenTelemetryAgentTests for MEAI 10.5.1 changes to web_search serialization and the reduced tool definition payload when sensitive data capture is disabled Microsoft.Extensions.Compliance.Abstractions stays at 10.5.0 because no 10.5.1 release exists on nuget.org.
9f31bb6795
·
2026-05-05 14:07:22 +01:00
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