/**
 * Redirect users only once—right after they set their password for the first time.
 *
 * Users will be sent to:
 * https://fireforlife.health/courses/fire180/
 * after their first password setup. No more redirects after that.
 */
function ff_health_redirect_after_first_password_set( $user ) {
    // Check if this is their first time setting a password
    if ( ! get_user_meta( $user->ID, 'ff_password_set_once', true ) ) {
        // Mark that they have now set their password
        update_user_meta( $user->ID, 'ff_password_set_once', 1 );
        
        // Perform a safe redirect to your welcome page
        wp_safe_redirect( 'https://fireforlife.health/courses/fire180/' );
        exit;
    }
}
add_action( 'after_password_reset', 'ff_health_redirect_after_first_password_set', 10, 1 );