Update agent.py

agent.py

@@ -105,7 +105,7 @@ tools = [
 def build_graph(provider: str = "google"):
     if provider == "google":
         # Google Gemini
-        llm = ChatGoogleGenerativeAI(model="gemini-2.5-flash-preview-05-20", temperature=0,api_key=google_api_key)
+        llm = ChatGoogleGenerativeAI(model="gemini-2.0-flash", temperature=0,api_key=google_api_key)
     # Bind tools to LLM
     llm_with_tools = llm.bind_tools(tools)