Example `wpcfm_is_ssot` filter to conditionally set WP-CFM bundles files as SSOT when running on Pantheon live environment.

wp-cfm-ssot.php

<?php
/*
Plugin Name: WP-CFM SSOT 
Description: Sets WP-CFM bundles as the Single Source of Truth.
*/

// If this file is called directly, abort.
if ( ! defined( 'WPINC' ) ) {
	die;
}

/**
 * Enable WP-CFM SSOT only for Pantheon Live environment.
 * @param bool $is_ssot - default is false
 * @return bool
 */
function wp_lock_live_config( $is_ssot ) {

    if ( defined( 'PANTHEON_ENVIRONMENT' ) && PANTHEON_ENVIRONMENT == 'live' ) {
        return true;
    }

    return $is_ssot;
}
add_filter( 'wpcfm_is_ssot', 'wp_lock_live_config' );