This screen covers the first authentication slice: sign in, restore session, hit the backend with a Cognito access token, and verify the Tower Control user record exists.
Auth
Sign in to Tower Control
Sign in with your Cognito email and password.
Flow
What this proves
Cognito email/password authentication works.
The browser gets a Cognito access token.
The backend validates that token on `/me`.
The backend auto-creates the Tower Control user record.