How to configure for Federated Identity Credentials

Rather than using an app secret, how can we set up the app to use Federated Identity Credentials?

The issue names no files, tests, or entry points. Start by locating the app's current app-secret configuration and its Microsoft identity platform setup, then determine where Federated Identity Credentials guidance belongs. Done means documenting the configuration steps clearly enough to replace the app secret.

索引モデルが issue の本文から書いたものです。