Change UseLogging to accept an ILoggerFactory instead of ILogger

[stephentoub]

Fits better with DI, and makes it consistent with UseFunctionInvocation and UseOpenTelemetry.

Microsoft Reviewers: Open in CodeFlow

Copilot reviewed 5 out of 10 changed files in this pull request and generated no comments.

Files not reviewed (5)

• test/Libraries/Microsoft.Extensions.AI.Abstractions.Tests/Microsoft.Extensions.AI.Abstractions.Tests.csproj: Language not supported
• test/Libraries/Microsoft.Extensions.AI.Integration.Tests/Microsoft.Extensions.AI.Integration.Tests.csproj: Language not supported
• test/Libraries/Microsoft.Extensions.AI.Tests/Microsoft.Extensions.AI.Tests.csproj: Language not supported
• test/Libraries/Microsoft.Extensions.AI.Abstractions.Tests/CapturingLogger.cs: Evaluated as low risk
• test/Libraries/Microsoft.Extensions.AI.Tests/ChatCompletion/LoggingChatClientTests.cs: Evaluated as low risk

Comments suppressed due to low confidence (3)

src/Libraries/Microsoft.Extensions.AI/ChatCompletion/LoggingChatClientBuilderExtensions.cs:23

• The parameter name 'logger' should be updated to 'loggerFactory' to reflect the change in type and improve clarity.

this ChatClientBuilder builder, ILogger? logger = null, Action<LoggingChatClient>? configure = null)

src/Libraries/Microsoft.Extensions.AI/Embeddings/LoggingEmbeddingGeneratorBuilderExtensions.cs:20

• The phrase 'a required instance' is unclear. Consider rephrasing to 'an instance will be resolved from the service provider' to improve clarity.

If not supplied, a required instance will be resolved from the service provider.

test/Libraries/Microsoft.Extensions.AI.Tests/ChatCompletion/FunctionInvokingChatClientTests.cs:416

• The variable name 'collector' should be consistent with the naming convention used in other methods, such as 'logCollector'.

var collector = new FakeLogCollector();

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