use postMessage

components/EditorClient.tsx

@@ -88,11 +88,12 @@ export default function EditorClient({
 
   const persist = useCallback(async (route: string, next: any) => {
     setSchema((s) => ({ ...s, [route]: next }));
-    await fetch("/api/save-schema", {
-      method: "POST",
-      headers: { "Content-Type": "application/json" },
-      body: JSON.stringify({ route, data: next }),
-    });
+    if (typeof window !== "undefined" && window.parent !== window) {
+      window.parent.postMessage(
+        { type: "PUBLISH", path: route, data: next },
+        "*",
+      );
+    }
   }, []);
 
   const plugins = useMemo(