feat: release design system engine, studio and component contracts

packages/block-editor/src/download.ts

@@ -1,7 +1,12 @@
 const downloads = new WeakMap<HTMLElement, () => void>();
 
 /** Keep a direct user-gesture fallback until replaced or the editor is removed. */
-export function offerBuilderDownload(host: HTMLElement, content: string, type: string, filename: string): void {
+export function offerBuilderDownload(
+  host: HTMLElement,
+  content: string,
+  type: string,
+  filename: string,
+): void {
   const outlet = host.querySelector<HTMLElement>("[data-builder-download]");
   if (!outlet) throw new Error("Download outlet is unavailable");
   const url = URL.createObjectURL(new Blob([content], { type }));
@@ -10,7 +15,9 @@ export function offerBuilderDownload(host: HTMLElement, content: string, type: s
   link.download = filename;
   link.textContent = `Download prepared file: ${filename}`;
   let disposed = false;
-  const observer = new MutationObserver(() => { if (!host.isConnected) dispose(); });
+  const observer = new MutationObserver(() => {
+    if (!host.isConnected) dispose();
+  });
   const dispose = () => {
     if (disposed) return;
     disposed = true;
@@ -29,5 +36,9 @@ export function offerBuilderDownload(host: HTMLElement, content: string, type: s
     throw error;
   }
   // A blocked automatic click must not destroy the direct-click fallback.
-  try { link.click(); } catch { /* The visible link remains available. */ }
+  try {
+    link.click();
+  } catch {
+    /* The visible link remains available. */
+  }
 }