Nomad changes

docs/snippets/dart/advanced/chunk_page_mapping.md

@@ -0,0 +1,44 @@
+```dart title="Dart"
+import 'package:kreuzberg/kreuzberg.dart';
+
+Future<void> main() async {
+  final config = ExtractionConfig(
+    useCache: true,
+    enableQualityProcessing: true,
+    forceOcr: false,
+    disableOcr: false,
+    chunking: const ChunkingConfig(
+      maxCharacters: 500,
+      overlap: 50,
+      trim: true,
+      chunkerType: ChunkerType.text,
+      sizing: ChunkSizing.characters(),
+      prependHeadingContext: false,
+    ),
+    pages: const PageConfig(
+      extractPages: true,
+      insertPageMarkers: false,
+      markerFormat: '',
+    ),
+    resultFormat: ResultFormat.unified,
+    outputFormat: OutputFormat.plain(),
+    includeDocumentStructure: false,
+    maxArchiveDepth: 3,
+    useLayoutForMarkdown: false,
+  );
+
+  final result = await KreuzbergBridge.extractFile('document.pdf', null, config);
+  final chunks = result.chunks ?? const [];
+  for (final chunk in chunks) {
+    final first = chunk.metadata.firstPage;
+    final last = chunk.metadata.lastPage;
+    if (first != null && last != null) {
+      final preview = chunk.content.length > 50
+          ? chunk.content.substring(0, 50)
+          : chunk.content;
+      final pageRange = first == last ? 'Page $first' : 'Pages $first-$last';
+      print('Chunk: $preview... ($pageRange)');
+    }
+  }
+}
+```