Nomad changes

docs/snippets/dart/api/batch_extract_files_sync.md

@@ -0,0 +1,21 @@
+```dart title="Dart"
+import 'package:kreuzberg/kreuzberg.dart';
+
+Future<void> main() async {
+  final items = <BatchFileItem>[
+    const BatchFileItem(path: 'doc1.pdf'),
+    BatchFileItem(
+      path: 'scan.pdf',
+      config: FileExtractionConfig(forceOcr: true),
+    ),
+  ];
+
+  // Sync semantics — flutter_rust_bridge still returns a Future from Dart.
+  final results = await KreuzbergBridge.batchExtractFilesSync(items);
+
+  print('Processed ${results.length} files');
+  for (final result in results) {
+    print('${result.mimeType}: ${result.content.length} chars');
+  }
+}
+```