Update agent.py

agent.py

@@ -15,11 +15,11 @@ load_dotenv()
 
 # Initialize the model
 model = LiteLLMModel(
-    model_id="gemini-1.5-flash",   # AI Studio model, api_key=os.getenv("GEMINI_API_KEY"),
-    provider="google_ai"
+    model_id="gemini/gemini-1.5-flash",   # 👈 use gemini prefix
+    api_key=os.getenv("GEMINI_API_KEY"), # 👈 pulls from Hugging Face secrets
+    provider="gemini"                     # 👈 not google_ai
 )
 
-
 class ExcelToTextTool(Tool):
     """Render an Excel worksheet as a Markdown table."""