# app/llm_client.py from langchain_google_genai import ChatGoogleGenerativeAI class LLMClient: def __init__(self, model: str = "models/gemini-2.0-flash", temp: float = 0.5): self.llm = ChatGoogleGenerativeAI( model=model, google_api_key= "AIzaSyAmpT2kjqFcz7HZyiFeh6dBOu-zx_MRxIA", temperature=temp ) def invoke(self, prompt: str) -> str: return self.llm.invoke(prompt).content