Nomad changes

docs/snippets/dart/config/advanced_config.md

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+```dart title="Dart"
+import 'package:flutter_rust_bridge/flutter_rust_bridge.dart' show Int64List;
+
+import 'package:kreuzberg/kreuzberg.dart';
+
+Future<void> main() async {
+  final config = ExtractionConfig(
+    useCache: true,
+    enableQualityProcessing: true,
+    forceOcr: false,
+    disableOcr: false,
+    ocr: const OcrConfig(
+      enabled: true,
+      backend: 'tesseract',
+      language: 'eng',
+      autoRotate: false,
+    ),
+    chunking: const ChunkingConfig(
+      maxCharacters: 1000,
+      overlap: 200,
+      trim: true,
+      chunkerType: ChunkerType.text,
+      sizing: ChunkSizing.characters(),
+      prependHeadingContext: false,
+      embedding: EmbeddingConfig(
+        model: EmbeddingModelType.preset(name: 'balanced'),
+        normalize: true,
+        batchSize: 32,
+        showDownloadProgress: false,
+      ),
+    ),
+    languageDetection: const LanguageDetectionConfig(
+      enabled: true,
+      minConfidence: 0.8,
+      detectMultiple: false,
+    ),
+    keywords: KeywordConfig(
+      algorithm: KeywordAlgorithm.yake,
+      maxKeywords: 10,
+      minScore: 0.1,
+      ngramRange: Int64List.fromList(<int>[1, 3]),
+      language: 'en',
+    ),
+    tokenReduction: const TokenReductionOptions(
+      mode: 'moderate',
+      preserveImportantWords: true,
+    ),
+    postprocessor: const PostProcessorConfig(enabled: true),
+    resultFormat: ResultFormat.unified,
+    outputFormat: OutputFormat.plain(),
+    includeDocumentStructure: false,
+    useLayoutForMarkdown: false,
+    maxArchiveDepth: 3,
+  );
+
+  final result = await KreuzbergBridge.extractFile('document.pdf', null, config);
+  print('Content: ${result.content}');
+  if (result.detectedLanguages != null) {
+    print('Languages: ${result.detectedLanguages}');
+  }
+  final chunks = result.chunks ?? const [];
+  print('Chunks: ${chunks.length}');
+}
+```