chore(deps-dev): bump langgraph from 0.2.76 to 0.6.6

[dependabot]

Bumps langgraph from 0.2.76 to 0.6.6.

Release notes

Sourced from langgraph's releases.

0.6.6

Changes since 0.6.5

• fix(langgraph): Remote Baggage (#5964)
• chore(langgraph): Add passthrough params/headers to invoke/stream/etc. (#5940)
• feat(sdk-py): client qparams (#5918)

0.6.5

Changes since 0.6.4

• release(langgraph): 0.6.5 (#5901)
• fix: Persist resume_map values (#5898)
• feat(langgraph): implement redis node level cache (#5834)

prebuilt==0.6.4

Changes since prebuilt==0.6.3

• fix(langgraph): support emitting messages from subgraphs when messages mode explicitly requested (#5836)
• fix(prebuilt): raise on additional deprecated kwargs (#5848)
• chore(langgraph): deprecate MessageGraph (#5843)
• chore(prebuilt): revert tool arg injection refactor (#5842)

0.6.4

Changes since 0.6.3

• release: langgraph + prebuilt 0.6.4 (#5854)
• fix: mypy issue with conditional edges (#5851)
• fix(langgraph): support emitting messages from subgraphs when messages mode explicitly requested (#5836)
• perf(langgraph): Save updated_channels to checkpoint (#5828)
• chore(langgraph): deprecate MessageGraph (#5843)

prebuilt==0.6.3

Changes since prebuilt==0.6.2

• fix(langgraph): Tidy up AgentState (#5801)
• release: langgraph + prebuilt 0.6.3 (#5799)
• chore(prebuilt): add supported input types for model in create_react_agent (#5748)
• release(langgraph): 0.6.2 (#5750)

0.6.3

Changes since 0.6.2

• fix(langgraph): Tidy up AgentState (#5801)
• release: langgraph + prebuilt 0.6.3 (#5799)
• fix(langgraph): Add warning for incorrect node signature with mistyped config param (#5798)
• fix(langgraph): fix up deprecation warnings (#5796)
• feat(langgraph): add durability mode for invoke and ainvoke (#5771)
• fix(docs): Add missing imports to make examples runnable (#5477)
• fix(langgraph): Remove duplicate call to ensure_config (#5768)

... (truncated)

Commits

• a692e24 fix(langgraph): Remote Baggage (#5964)
• a566f1f fix(docs): update sales links (#5956)
• c0b29a6 chore(langgraph): Add passthrough params/headers to invoke/stream/etc. (#5940)
• a86eb4c docs(persistence): fix StateSnapshot formatting (#5928)
• 3488eb2 chore(sdk-py): Update types (#5939)
• 875f20b feat(sdk-py): define aclose method to LangGraphClient (#5931)
• 723d464 chore(sdk-py): Update params type in SDK (#5937)
• ae62b8f chore: Update release check of version (#5936)
• 9918488 feat(sdk-py): client qparams (#5918)
• c37c9cb docs: update redirects (#5935)
• Additional commits viewable in compare view

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Important

Update langgraph dependency version in pyproject.toml to allow newer versions up to 0.6.6.

• Dependencies:
  • Update langgraph version in pyproject.toml from ^0.2.62 to >=0.2.62,<0.7.0 to allow newer versions up to 0.6.6.

^{This description was created by for 0fcc315. You can customize this summary. It will automatically update as commits are pushed.}

Disclaimer: Experimental PR review

Greptile Summary

This PR updates the langgraph dependency from version 0.2.76 to 0.6.6 in the pyproject.toml file. This is a significant version jump that spans multiple major releases and includes numerous improvements and breaking changes. The change modifies the version constraint from ^0.2.62 to >=0.2.62,<0.7.0, which provides more explicit version range control while accommodating the new version.

Key changes in the updated langgraph versions include bug fixes for remote baggage handling, performance improvements like saving updated_channels to checkpoint, new features such as Redis node-level caching, deprecation of MessageGraph in favor of StateGraph + MessagesAnnotation, and various API enhancements for streaming and client functionality.

Since langgraph is listed as a development dependency in the [tool.poetry.group.dev.dependencies] section of pyproject.toml, this update only affects the development environment and testing infrastructure, not the production code. The Langfuse Python client library uses langgraph for development purposes, likely for testing graph-based language processing workflows or as part of the development toolchain for working with LangChain ecosystem components.

Confidence score: 4/5

• This PR is safe to merge with low risk as it only affects development dependencies
• Score reflects that while there are breaking changes in langgraph, they don't impact production code since this is a dev-only dependency
• Pay attention to any CI/CD pipelines or development scripts that might use langgraph functionality

[greptile-apps]

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[dependabot]

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