Enhance session state management in Streamlit app by clearing non-maintained keys and adding debug output for cleared keys. This improves data handling and provides visibility into session state changes.

src/streamlit_app.py

@@ -8,9 +8,18 @@ print(f"Streamlit version: {st.__version__}")
 
 maintained_keys = ['tab_selector', 'site_selectbox', 'view_selectbox']
 
-for key in list(st.session_state.keys()):
+# Get all current keys and clear them (except maintained ones)
+all_keys = list(st.session_state.keys())
+cleared_keys = []
+
+for key in all_keys:
     if key not in maintained_keys:
         del st.session_state[key]
+        cleared_keys.append(key)
+
+# Debug: Print what was cleared (you can remove this later)
+if cleared_keys:
+    print(f"Cleared keys: {cleared_keys}")
 
 st.set_page_config(layout="wide")