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langchain-ai / langchain Public

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🔧 CI

feat(langchain): support `SystemMessage` in `create_agent`'s `system_… #49474

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feat(langchain): support `SystemMessage` in `create_agent`'s `system_…

feat(langchain): support `SystemMessage` in `create_agent`'s `system_… #49474

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test (libs/partners/anthropic, 3.10) / Python 3.10

test (libs/partners/anthropic, 3.10) / Python 3.10

succeeded Nov 24, 2025 in 16s

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