Update pagination button labels for improved clarity in app.py

- Changed button labels to display the current page number instead of generic "Previous" and "Next" text, enhancing user understanding of navigation.
- Maintained session state management by ensuring relevant data is cleared upon page navigation, consistent with previous enhancements.

app.py

@@ -196,18 +196,15 @@ with tab2:
         # Create pagination controls in a single row
         pagination_cols = st.columns([4, 1, 1, 1, 4])
         with pagination_cols[1]:
-            if st.button("← Previous", disabled=st.session_state.current_page == 0):
+            if st.button(f"Page {st.session_state.current_page - 1}", disabled=st.session_state.current_page == 0):
                 if 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):
+            if st.button(f"Page {st.session_state.current_page + 1}", disabled=st.session_state.current_page == total_pages - 1):
                 if 'current_page' not in st.session_state:
                     st.session_state.current_page = 1
                 else:
@@ -215,6 +212,7 @@ with tab2:
                 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)