pub async fn v1_echo(
__arg0: State<ApiState>,
auth: Option<Extension<AuthContext>>,
body: Result<Json<EchoRequest>, JsonRejection>,
) -> Responsepub async fn v1_echo(
__arg0: State<ApiState>,
auth: Option<Extension<AuthContext>>,
body: Result<Json<EchoRequest>, JsonRejection>,
) -> Response