Clear session state on app load and update tab selection logic in Streamlit app for improved functionality. This change ensures a fresh start for user sessions and enhances the organization of tab handling across different sections.

src/streamlit_app.py

@@ -6,6 +6,9 @@ import re
 
 print(f"Streamlit version: {st.__version__}")
 
+for key in list(st.session_state.keys()):
+    del st.session_state[key]
+
 st.set_page_config(layout="wide")
 
 @st.cache_resource
@@ -754,7 +757,7 @@ if selected_tab == 'Handbuilder':
             if 'saved_lineups' in st.session_state:
                 del st.session_state['saved_lineups']
 
-if selected_tab == 'Stacks ROO':
+elif selected_tab == 'Stacks ROO':
     player_stats, dk_stacks_raw, fd_stacks_raw, dk_roo_raw, fd_roo_raw, dk_sd_roo_raw, fd_sd_roo_raw, dk_id_map, fd_id_map, dk_sd_id_map, fd_sd_id_map = init_baselines()
     t_stamp = f"Last Update: " + str(dk_roo_raw['timestamp'][0]) + f" CST"
     with st.expander("Info and Filters"):
@@ -791,7 +794,7 @@ if selected_tab == 'Stacks ROO':
                 key='stacks_export_button'
         )
 
-if selected_tab == 'Player ROO':
+elif selected_tab == 'Player ROO':
     player_stats, dk_stacks_raw, fd_stacks_raw, dk_roo_raw, fd_roo_raw, dk_sd_roo_raw, fd_sd_roo_raw, dk_id_map, fd_id_map, dk_sd_id_map, fd_sd_id_map = init_baselines()
     t_stamp = f"Last Update: " + str(dk_roo_raw['timestamp'][0]) + f" CST"
     with st.expander("Info and Filters"):
@@ -856,7 +859,7 @@ if selected_tab == 'Player ROO':
             key='player_export_button'
         )
 
-if selected_tab == 'Optimals':
+elif selected_tab == 'Optimals':
     player_stats, dk_stacks_raw, fd_stacks_raw, dk_roo_raw, fd_roo_raw, dk_sd_roo_raw, fd_sd_roo_raw, dk_id_map, fd_id_map, dk_sd_id_map, fd_sd_id_map = init_baselines()
     t_stamp = f"Last Update: " + str(dk_roo_raw['timestamp'][0]) + f" CST"
     st.header("Optimals")