docs(crew): correct manager_llm field description

[adityasingh2400]

The Field description for manager_llm on Crew reads Language model that will run the agent., which is the description copied from the sibling llm field rather than the description for manager_llm. The class docstring already says manager_llm: The language model that will run manager agent., so the schema metadata is out of sync with the docstring.

This PR updates the Field description to Language model that will run the manager agent in hierarchical process. so the schema, the docstring, and the runtime use of the field all agree. It also surfaces in the description that manager_llm is only consulted when process=Process.hierarchical, which is what check_manager_llm enforces in crew.py.

The fix is documentation only and does not change runtime behavior. pytest lib/crewai/tests/test_crew.py -k manager_llm continues to pass against the updated description.

Summary by CodeRabbit

• Documentation
  • Clarified the description for the manager language model to explicitly indicate its role in running the manager agent within hierarchical processes.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: bd0b581b-8eca-4ab3-8707-a16385afe28c

📥 Commits

Reviewing files that changed from the base of the PR and between 8b2d24e and 0d5cb4e.

📒 Files selected for processing (1)

• lib/crewai/src/crewai/crew.py

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📝 Walkthrough

Walkthrough

The Crew.manager_llm Pydantic field description was made explicit: it is the language model that will run the manager agent in hierarchical process. No defaults, types, or runtime logic were changed.

Changes

Manager LLM Documentation Update

Layer / File(s)	Summary
Manager LLM field description clarification lib/crewai/src/crewai/crew.py	The manager_llm field description is updated to clarify it is the language model that runs the manager agent in hierarchical process; default remains None.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

🐰 I nudged a sentence into place with care,
Now the manager LLM is clear and fair,
Hierarchies hum with proper name,
No logic changed—just clearer aim,
Tiny fix, big readability flair.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main change: correcting/updating the manager_llm field description in the Crew class to be more specific and accurate.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

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