Migrate Azure.AI.Language.QuestionAnswering.Inference to new generator

[Copilot]

Description

Migrates Azure.AI.Language.QuestionAnswering.Inference from the legacy AutoRest generator to the new azure-typespec-http-client-csharp generator.

Changes

• Regenerated SDK code using the new TypeSpec-based generator
• Updated customization files to use Microsoft.TypeSpec.Generator.Customizations namespace:
  • CodeGenMember and CodeGenType attributes
  • Argument.AssertNotNull instead of Argument.CheckNotNull (same behavior)
  • Pipeline property instead of _pipeline field in client constructors
• Removed IncludeAutorestDependency from csproj (no longer needed)
• Added QuestionAnsweringModelFactory wrapper delegating to generated LanguageQuestionAnsweringInferenceModelFactory for backward compatibility

Note

The upstream TypeSpec spec in azure-rest-api-specs has invalid emitter config options (package-dir, package-name) for @azure-typespec/http-client-csharp. Worked around by fixing the downloaded tspconfig.yaml during generation.

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• Please add REST spec PR link to the SDK PR
• I have read the contribution guidelines.
• The pull request does not introduce breaking changes.

General Guidelines

• Title of the pull request is clear and informative.
• There are a small number of commits, each of which have an informative message. This means that previously merged commits do not appear in the history of the PR. For more information on cleaning up the commits in your PR, see this page.

Testing Guidelines

• Pull request includes test coverage for the included changes.

SDK Generation Guidelines

• If an SDK is being regenerated based on a new swagger spec, a link to the pull request containing these swagger spec changes has been included above.
• The generate.cmd file for the SDK has been updated with the version of AutoRest, as well as the commitid of your swagger spec or link to the swagger spec, used to generate the code.
• The *.csproj and AssemblyInfo.cs files have been updated with the new version of the SDK.

Warning

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• iojs.org
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Original prompt

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This section details on the original issue you should resolve

<issue_title>Migrate Azure.AI.Language.QuestionAnswering.Inference to new generator</issue_title>
<issue_description>https://github.com/Azure/azure-sdk-for-net/tree/main/sdk/cognitivelanguage/Azure.AI.Language.QuestionAnswering.Inference

See https://github.com/Azure/azure-sdk-for-net/tree/main/sdk/documentintelligence/Azure.AI.DocumentIntelligence as an example.

</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Migrate Azure.AI.Language.QuestionAnswering.Inference to new generator #54331

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