Guide me through creating local demonstration identities for Summit Operations Portal without receiving, choosing, displaying, storing, or committing any password.

Use Django’s interactive `createsuperuser` workflow for the administrator and stop while I enter credentials privately in my visible terminal. After the administrator exists, explain how I can use Django Admin to create one employee, one manager, two teams, and several fictional work requests. Explain how to grant the manager only `operations | work request | Can manage requests for assigned team` without granting `is_staff` or superuser status.

Provide a manual verification checklist for public, employee, manager, and administrator sessions. Do not create hard-coded credentials, seed real personal information, weaken password validation, or place the local database in Git.