Workaround OpenAI assistant's RunCreationOption's tools override #6512
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In OpenAIAssistantChatClient, as part of providing ChatOptions.Tools to the service, the only API available to do so is ToolsOverride, which ends up replacing rather than augmenting any tools defined at the assistant level. To work around that, this changes the implementation to retrieve the assistant's tools and send them as part of the override, effectively implementing a merge rather than override.
src/Libraries/Microsoft.Extensions.AI.OpenAI/OpenAIAssistantChatClient.cs
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eiriktsarpalis
approved these changes
Jun 12, 2025
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In OpenAIAssistantChatClient, as part of providing ChatOptions.Tools to the service, the only API available to do so is ToolsOverride, which ends up replacing rather than augmenting any tools defined at the assistant level. To work around that, this changes the implementation to retrieve the assistant's tools and send them as part of the override, effectively implementing a merge rather than override.
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