Update app.py

app.py

@@ -682,19 +682,25 @@ def iter_all_input_fields():
 
     
 def prep_and_save_data(index, skip_sample, completed: bool):
-    payload = {
+    existing = read_saved_data() or {}
+
+    base = {
         'user_id': st.session_state.user_id,
         'index': st.session_state.current_index,
         **(st.session_state.data.iloc[index][COLS_TO_SAVE].to_dict() if 0 <= index < len(st.session_state.data) else {}),
-        **{k: st.session_state[k + str(index)] for k in st.session_state.data_inputs_keys},
+        #**{k: st.session_state[k + str(index)] for k in st.session_state.data_inputs_keys},
         'skip': skip_sample,
         'completed': int(completed),
     }
+
+    payload = {**existing, **base}
     
     for f in iter_all_input_fields():
         key = f.name + str(index)
-        val = st.session_state.get(key, INPUT_FIELD_DEFAULT_VALUES[f.type])
-        payload[f.name] = val
+        if key in st.session_state: 
+            payload[f.name] = st.session_state[key]
+        #val = st.session_state.get(key, INPUT_FIELD_DEFAULT_VALUES[f.type])
+        #payload[f.name] = val
 
     save_data(payload)