Update agent.py

agent.py

@@ -61,7 +61,7 @@ class Agent:
             raise ValueError("GOOGLE_API_KEY or GOOGLE_CSE_ID not found in environment variables.")
 
         llm = ChatGoogleGenerativeAI(
-            model="gemini-2.5-pro-exp-03-25",
+            model="gemini-2.5-pro-preview-05-06",
             google_api_key=gemini_key,
             convert_system_message_to_human=True
         )