feat: Upgrade to LangGraph 1.0 and Checkpoint 3.0 (#110)#120

Merged

bsbodden merged 36 commits intomainfrom

bsb/lg3-upgrade

Nov 19, 2025

Commits on Nov 17, 2025

chore(deps): upgrade to langgraph-checkpoint 3.0 and redisvl 0.11
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fix(serializer): update JsonPlusRedisSerializer for checkpoint 3.0 API
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fix(base): update metadata serialization for checkpoint 3.0 API
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fix(tests): update tests for checkpoint 3.0 API
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fix(base): encode blob bytes as base64 for Redis storage
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fix(sync,async): encode blob bytes in put_writes implementations
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fix(shallow): encode blob bytes in shallow implementations
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fix(checkpoint): prevent infinite recursion in _load_pending_writes fallback
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fix(checkpoint): decode base64 blobs when loading pending writes
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test(checkpoint): update search_writes tests for base64 blobs
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test(checkpoint): fix serializer test helpers for checkpoint 3.0
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fix(checkpoint): handle bytes in nested structures with msgpack fallback
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test(checkpoint): fix dumps_helper usage in serializer tests
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style(checkpoint): apply black formatting
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test(serializer): update standalone test for checkpoint 3.0 API
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feat(deps)!: upgrade to LangGraph 1.0.3
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fix(serializer)!: update Interrupt deserialization for LangGraph 1.0
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test: update Interrupt tests for LangGraph 1.0 API
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docs(examples): fix documentation and align dependency versions
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docs: add comprehensive migration guide for 0.2.0 and remove Python 3.9 from CI
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feat(client-info)!: add full library version info to Redis client tracking
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fix(serializer): fix false possitive interrupt detection
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Commits on Nov 18, 2025