add user message

app.py

@@ -456,6 +456,11 @@ def update_json_from_active(active_selections: list[str]) -> str:
 
 
 def get_default_filter() -> str:
+    gr.Warning(
+        message="GDC Cohort Copilot can make mistakes. Interactively refine your search using the checkboxes.",
+        duration=None,
+        title="GDC Cohort Copilot Should Be Used Interactively!",
+    )
     return json.dumps({"op": "and", "content": []}, indent=4)