Update main.py

main.py

@@ -39,8 +39,8 @@ def stress_detection_app():
 
         # Store the prediction in Supabase
         user_id = st.session_state.get("user_id", "anonymous")  # Fallback to "anonymous" if no user_id
-        timestamp = datetime.datetime.now().isoformat()  # Current timestamp in ISO format
-        
+        timestamp = int(datetime.datetime.now().timestamp())  # Convert to Unix epoch time (integer)
+
         response = supabase.table("predictions").insert({
             "user_id": user_id,
             "prediction": prediction,