Fix Structured Output for GPT-OSS Models#4386

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windreamer wants to merge 3 commits intoInternLM:mainfrom

windreamer:fix_gpt_oss_guided_decoding

Commits on May 7, 2026

fix: convert guided decoding schema into Harmony-native mode to avoid Harmony/JSON mode conflict for GPT-OSS

windreamer
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Copilot
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fix: avoid leading blank lines in new system message & add response_format conversion tests
windreamer
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fix: address unresolved PR review comments
windreamer
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