Nomad changes

docs/snippets/dart/api/client_chunk_text.md

@@ -0,0 +1,43 @@
+```dart title="Dart"
+import 'dart:convert';
+import 'dart:io';
+
+import 'package:http/http.dart' as http;
+
+Future<void> main() async {
+  final file = File('document.pdf');
+  final bytes = await file.readAsBytes();
+
+  final request = http.MultipartRequest(
+    'POST',
+    Uri.parse('http://localhost:8000/extract'),
+  )
+    ..files.add(
+      http.MultipartFile.fromBytes(
+        'file',
+        bytes,
+        filename: 'document.pdf',
+      ),
+    )
+    ..fields['chunking'] = jsonEncode({
+      'max_characters': 800,
+      'overlap': 100,
+    });
+
+  final streamed = await request.send();
+  final response = await http.Response.fromStream(streamed);
+  if (response.statusCode >= 400) {
+    throw HttpException('Server returned ${response.statusCode}: ${response.body}');
+  }
+
+  final result = jsonDecode(response.body) as Map<String, dynamic>;
+  final chunks = result['chunks'] as List<dynamic>?;
+  if (chunks != null) {
+    print('${chunks.length} chunks');
+    for (final chunk in chunks) {
+      final content = (chunk as Map<String, dynamic>)['content'] as String? ?? '';
+      print('  ${content.length} chars');
+    }
+  }
+}
+```