Steps to test:

1. fix postgresql username/password config in app.py
2. login in psql
3. create database myadmin;
4. alter database myadmin set idle_in_transaction_session_timeout=3000;
5. run app uv run app.py
6. open http://127.0.0.1:5000/admin/user/
7. wait 3 seconds
8. refresh http://127.0.0.1:5000/admin/user/ and get error

sqlalchemy.exc.OperationalError: (psycopg.OperationalError) consuming input failed: terminating connection due to idle-in-transaction timeout
SSL connection has been closed unexpectedly