fix loading to allow further changes

app.py

@@ -100,7 +100,8 @@ def main():
                     for k, v in saved.items():
                         save_dict_to_save_state(v, prefix + [k])
                 else:
-                    st.session_state.save_state["_".join(prefix)] = saved
+                    if not st.session_state.save_state.get("_".join(prefix) + "_filled", False):
+                        st.session_state.save_state["_".join(prefix)] = saved
             # TODO: don't overwrite by default
             st.session_state.card_dict = pre_card_dict
             save_dict_to_save_state(st.session_state.card_dict)