{"issuer":"https://a2a.exposed","authorization_endpoint":"https://a2a.exposed/api/oidc/authorize","token_endpoint":"https://a2a.exposed/api/oidc/token","jwks_uri":"https://a2a.exposed/api/auth/jwks","response_types_supported":["code"],"subject_types_supported":["public"],"id_token_signing_alg_values_supported":["RS256"],"scopes_supported":["openid","email"],"token_endpoint_auth_methods_supported":["client_secret_post"],"code_challenge_methods_supported":["S256"]}