feat: change the behavior of SetDefaultModel RPC so None clears the value. #3529
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dedrisian-oai
approved these changes
Sep 12, 2025
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It turns out that we want slightly different behavior for the
SetDefaultModelRPC because some models do not work with reasoning (like GPT-4.1), so we should be able to explicitly clear this value.Verified in
codex-rs/mcp-server/tests/suite/set_default_model.rs.