- seed_casdoor.py: JSON type=login + cookie session (the old form-encoded
login-normal API is gone), application with grantTypes incl. password,
passwordType=plain for the seeded users, idempotent re-runs; adds a
dedicated tester user
- docker-compose: Casdoor env for the api service (endpoint casdoor:8000
in-network, issuer http://localhost:8080 as advertised by discovery) and
the DEV_LOGIN_ENABLED build arg for the frontend