Update app.py

app.py

@@ -9,6 +9,12 @@ sys.path.append(os.path.dirname(os.path.abspath(__file__)))
 from app.main import main, sidebar_navigation, load_css
 
 if __name__ == "__main__":
+    # Initialize session state
+    if 'current_week' not in st.session_state:
+        st.session_state.current_week = 1
+    if 'logged_in' not in st.session_state:
+        st.session_state.logged_in = False
+    
     load_css()
     sidebar_navigation()
     main()