Have a visible disclaimer.

app.py

@@ -56,12 +56,14 @@ def _logout():
     st.cache_data.clear()
 
 
-if st.session_state[CurrentStep] != CurrentStep.splash:
-    col2.write("\n")  # Vertical box to shift the button menu
-    col2.button("Menu", on_click=_back_to_menu)
+if OAUTH_CLIENT_ID:
+    col2.write("\n")  # Vertical box to shift the lgout menu
+    col2.button("Log out", on_click=_logout)
+
 
-col3.write("\n")  # Vertical box to shift the lgout menu
-col3.button("Log out", on_click=_logout)
+if st.session_state[CurrentStep] != CurrentStep.splash:
+    col3.write("\n")  # Vertical box to shift the button menu
+    col3.button("Menu", on_click=_back_to_menu)
 
 
 if st.session_state[CurrentStep] == CurrentStep.splash:

core/state.py

@@ -101,7 +101,7 @@ class CurrentProject:
     path: epath.Path
 
     @classmethod
-    def create_new(cls) -> CurrentProject:
+    def create_new(cls) -> CurrentProject | None:
         timestamp = datetime.datetime.now().strftime(PROJECT_FOLDER_PATTERN)
         user = get_cached_user()
         if user is None and OAUTH_CLIENT_ID:

views/splash.py

@@ -16,9 +16,10 @@ from views.side_buttons import jump_to
 
 def render_splash():
     if OAUTH_CLIENT_ID:
-        st.write(
-            "**Disclaimer**: Do not put sensitive information or datasets here. If you"
-            " want to host your own version locally, build the app from [the GitHub"
+        st.info(
+            "**Disclaimer**: Do not put sensitive information or datasets here. The"
+            " storage on Hugging Face Spaces is ephemeral. If you want to host your own"
+            " version locally, build the app from [the GitHub"
             " repository](https://github.com/mlcommons/croissant/tree/main/editor)."
         )
     col1, col2 = st.columns([1, 1], gap="large")