Update app.py

app.py

@@ -321,7 +321,9 @@ def authenticate_user_ui():
                 else:
                     success, user = authenticate_user(email, password)
                     if success:
-                        st.session_state.auth_state["user"] = user
+                        # Extract user's email from UserRecord object
+                        user_email = user.email
+                        st.session_state.auth_state["user"] = {"email": user_email}
                         st.session_state.auth_state["signed_in"] = True
                         st.success("Authentication successful! You can now manage your set of images and profiles.")
                         main()