Update app.py

app.py

@@ -191,11 +191,11 @@ def generate_download_button(file, label, mime_type):
 st.set_page_config("Deep Research Assistant", layout="centered")
 # 🧠 Initialize session state
 if "last_report" not in st.session_state:
-    st.session_state["last_report"] = ""
-if "generate_mindmap" not in st.session_state:
-    st.session_state["generate_mindmap"] = False
-if "follow_up" not in st.session_state:
-    st.session_state["follow_up"] = ""
+    st.session_state.last_report = ""
+if "mindmap_triggered" not in st.session_state:
+    st.session_state.mindmap_triggered = False
+if "followup_question" not in st.session_state:
+    st.session_state.followup_question = ""
 
 # Mermaid.js for mind map rendering
 st.markdown("""