Dispose IAsyncEnumerable enumerators inline during property-based JSON serialization#126712

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Copilot wants to merge 8 commits intomainfrom

copilot/fix-disposeasync-issue

Commits on Apr 9, 2026

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Fix IAsyncEnumerable DisposeAsync not being invoked for property-based serialization

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eiriktsarpalis
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Add comprehensive unit tests for prompt IAsyncEnumerable DisposeAsync behavior

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eiriktsarpalis
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Fix double blank line in WriteStack.cs and make test async disposal truly async

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eiriktsarpalis
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Improve test error message for clarity

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eiriktsarpalis
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Replace boolean flags with AsyncEnumeratorState enum per review feedback

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eiriktsarpalis
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Rename AsyncDisposable to AsyncEnumerator (object?) per review feedback

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eiriktsarpalis
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Reorder switch cases to follow natural enumeration lifecycle

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eiriktsarpalis
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