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crewAI/lib
alex-clawd 09b84dd2b0
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fix: preserve full LLM config across HITL resume for non-OpenAI providers (#4970)
When a flow with @human_feedback(llm=create_llm()) pauses for HITL and
later resumes:

1. The LLM object was being serialized to just a model string via
   _serialize_llm_for_context() (e.g. 'gemini/gemini-3.1-flash-lite-preview')
2. On resume, resume_async() was creating LLM(model=string) with NO
   credentials, project, location, safety_settings, or client_params
3. OpenAI worked by accident (OPENAI_API_KEY from env), but Gemini with
   service accounts broke

This fix:
- Stashes the live LLM object on the wrapper as _hf_llm attribute
- On resume, looks up the method and retrieves the live LLM if available
- Falls back to the serialized string for backward compatibility
- Preserves _hf_llm through FlowMethod wrapper decorators

Co-authored-by: Joao Moura <joao@crewai.com>
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
2026-03-20 18:42:28 -03:00
..