- Update the `Authenticate` method in the OAuth guard to allow for token refresh when an access token is expired but still valid.
- Introduce `TryRefreshToken` method to handle the refresh token logic, including token rotation and cookie management.
- Implement `VerifyTokenAllowExpired` and `VerifyRefreshToken` methods to improve token verification processes.
- Adjust error handling to provide clearer responses for token refresh failures.
- Refactor token expiration strategies in the login process to ensure consistent handling of access and refresh tokens.