Final. Deploy ready

wp-content/mu-plugins/acf-loader.php

@@ -0,0 +1,12 @@
+<?php
+/**
+ * Plugin Name: ACF Loader (MU)
+ * Description: Loads Advanced Custom Fields as an MU plugin.
+ *   Ensures ACF is available on all child sites after deploy.
+ *   Deploys automatically via mu-plugins/ sync.
+ * Version: 1.0
+ */
+$acf_path = WP_CONTENT_DIR . "/plugins/advanced-custom-fields/acf.php";
+if ( file_exists( $acf_path ) ) {
+    require_once $acf_path;
+}