feat(langchain): langfuse trace attributes in run invocation config

[hassiebp]

Important

Modified metadata handling in CallbackHandler.py to retain session/user keys for better tracking and marked a test as flaky in test_openai.py.

• Metadata Handling:
  • Modified _strip_langfuse_keys_from_dict in CallbackHandler.py to retain langfuse_session_id and langfuse_user_id keys.
  • Enhances cross-session user activity tracking and request correlation.
  • Aligns with OpenTelemetry trace attributes for better observability.
• Testing:
  • Marked test_response_api_image_input in test_openai.py as flaky and skipped.

^{This description was created by for 1946a76. You can customize this summary. It will automatically update as commits are pushed.}

---

Greptile Summary

Disclaimer: Experimental PR review

Modified metadata handling in LangChain callback handler to preserve session and user tracking information for improved request tracing.

• Changed _strip_langfuse_keys_from_dict in langfuse/langchain/CallbackHandler.py to retain langfuse_session_id and langfuse_user_id keys in metadata
• Enhancement enables better cross-session user activity tracking and request correlation
• Aligns with OpenTelemetry trace attributes implementation for more comprehensive observability

[greptile-apps]

LGTM

_{1 file reviewed, no comments
Edit PR Review Bot Settings | Greptile}