fix(translator/claude): pair tool_use/tool_result to avoid Bedrock 400#3791

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router-for-me:devfrom

xiaojiou176:pr-cpa-pairing

Commits on Jun 9, 2026

fix(translator): tool_use/tool_result pairing to fix Bedrock 400
xiaojiou176
committed
fix(translator/claude pairing): keep strict role alternation, preserve pending reasoning, guard tool_result container
xiaojiou176
committed