chore: merge blocksuite source code (#9213)

blocksuite/playground/apps/starter/data/affine-snapshot.ts

@@ -0,0 +1,21 @@
+import { ZipTransformer } from '@blocksuite/blocks';
+import { type DocCollection, Text } from '@blocksuite/store';
+
+export async function affineSnapshot(collection: DocCollection, id: string) {
+  const doc = collection.createDoc({ id });
+  doc.load();
+  // Add root block and surface block at root level
+  const rootId = doc.addBlock('affine:page', {
+    title: new Text('Affine Snapshot Test'),
+  });
+  doc.addBlock('affine:surface', {}, rootId);
+
+  const path = '/apps/starter/data/snapshots/affine-default.zip';
+  const response = await fetch(path);
+  const file = await response.blob();
+  await ZipTransformer.importDocs(collection, file);
+}
+
+affineSnapshot.id = 'affine-snapshot';
+affineSnapshot.displayName = 'Affine Snapshot Test';
+affineSnapshot.description = 'Affine Snapshot Test';