Implement session state cleanup on pagination navigation in app.py

- Added logic to clear 'player_frame' and 'stack_frame' from session state when navigating between pages, ensuring a fresh state for user selections.
- This enhancement improves session management and prevents potential data carryover between pagination actions.

app.py

@@ -264,12 +264,18 @@ with tab2:
         with pagination_cols[1]:
             if st.button("← Previous", disabled=st.session_state.current_page == 0):
                 st.session_state.current_page -= 1
+                if 'player_frame' in st.session_state:
+                    del st.session_state['player_frame']
+                    del st.session_state['stack_frame']
+
         with pagination_cols[2]:
             st.markdown(f"**Page {st.session_state.current_page + 1} of {total_pages}**", unsafe_allow_html=True)
         with pagination_cols[3]:
             if st.button("Next →", disabled=st.session_state.current_page == total_pages - 1):
                 st.session_state.current_page += 1
-
+                if 'player_frame' in st.session_state:
+                    del st.session_state['player_frame']
+                    del st.session_state['stack_frame']
         # Calculate start and end indices for current page
         start_idx = st.session_state.current_page * rows_per_page
         end_idx = min((st.session_state.current_page + 1) * rows_per_page, total_rows)