Nomad changes

docs/snippets/dart/config/pdf_hierarchy_config.md

@@ -0,0 +1,33 @@
+```dart title="Dart"
+import 'package:kreuzberg/kreuzberg.dart';
+
+Future<void> main() async {
+  final config = ExtractionConfig(
+    useCache: true,
+    enableQualityProcessing: true,
+    forceOcr: false,
+    disableOcr: false,
+    pdfOptions: const PdfConfig(
+      extractImages: false,
+      extractMetadata: true,
+      extractAnnotations: false,
+      allowSingleColumnTables: false,
+      hierarchy: HierarchyConfig(
+        enabled: true,
+        kClusters: 5,
+        includeBbox: true,
+        ocrCoverageThreshold: 0.8,
+      ),
+    ),
+    resultFormat: ResultFormat.unified,
+    outputFormat: OutputFormat.plain(),
+    includeDocumentStructure: false,
+    maxArchiveDepth: 3,
+    useLayoutForMarkdown: false,
+  );
+
+  final result = await KreuzbergBridge.extractFile('document.pdf', null, config);
+  final pages = result.pages ?? const [];
+  print('Pages with hierarchy: ${pages.where((p) => p.hierarchy != null).length}');
+}
+```