src/app/agents/refactor.py

from app.services.llm_service import call_gpt

def refactor_node(state):
    response = call_gpt(
        "Fix and improve code based on review.",
        f"""
        Code:
        {state['code']}

        Review:
        {state['review']}
        """,
        temperature=0.2
    )

    return {
        "code": response,
        "iteration": state["iteration"] + 1
    }