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- functions.php: cache wp_bootstrap_variation_colors() output in a 24-hour transient keyed by md5(get_stylesheet()); invalidate on switch_theme and save_post_wp_global_styles so Design Editor changes apply immediately - TwigService.php: change auto_reload from hardcoded true to WP_DEBUG so Twig stops stat()-ing compiled template files on every production request Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>