Visually makeover

public/api/managed-stations.php

@@ -2,7 +2,8 @@
 /**
  * Managed catalog API endpoint.
  * Served at /api/managed-stations.json via .htaccess rewrite.
- * Returns the same JSON envelope as the Node backend: { schemaVersion, updatedAt, stations }.
+ * Returns the same JSON envelope used by the Vite dev/preview middleware:
+ * { schemaVersion, updatedAt, stations }.
  */
 
 header('Content-Type: application/json; charset=utf-8');