fix(openai): reinforce structured output for Claude proxies - #3863
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July 28, 2026 13:56
aheritier
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Jul 28, 2026
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Summary
Issue
Related to #3840.
Validation
task linttask buildtask test(with operator-injected HTTP proxy variables unset; those variables otherwise break unrelated SSRF tests)go test -race ./pkg/model/provider/openai/...go test ./pkg/evaluation/...Reproduction status
The failing request shape was confirmed: Claude received
response_format.json_schemawithout equivalent JSON constraints in the prompt. Exact end-to-end reproduction remained blocked in the available environment becausegithub-copilot/claude-opus-4.8returned a model-access error before generation.