Update pages/statistics.py

pages/statistics.py

@@ -67,11 +67,11 @@ if submit and user_input:
     result = deep_seek.invoke(messages)
 
     # Append to history
-    st.session_state.chat_history.append((user_input, result.content))
+    st.session_state[PAGE_KEY].append((user_input, result.content))
 
 # --- Display Chat History ---
 st.subheader("🗨️ Chat History")
-for i, (user, bot) in enumerate(st.session_state.chat_history):
+for user, bot in st.session_state[PAGE_KEY]:
     st.markdown(f"**You:** {user}")
     st.markdown(f"**Mentor:** {bot}")
     st.markdown("---")