Module auth 

OIDC/OAuth2 Authentication Manager

This module implements the OpenID Connect (OIDC) flow with FAPI 2.0 security enhancements, including:

• Pushed Authorization Requests (PAR)
• PKCE (Proof Key for Code Exchange)
• DPoP (Demonstrating Proof-of-Possession)
• RFC 8707 Resource Indicators

It also includes a local loopback server to handle the OAuth2 callback.

Structs

AuthManager

Manages OIDC discovery, token exchange, and the DPoP flow.

OidcConfig

Configuration for the OIDC provider and local callback server.

Timeouts

Timeouts and retry delays. Default holds the production values.