added new window for chunking results + added hybrid approach for chunking max limit is 2048"

documents_prep.py

@@ -226,12 +226,12 @@ def load_json_documents(repo_id, hf_token, json_files_dir, download_dir):
         log_message(f"Всего создано {len(all_documents)} исходных документов")
         log_message(f"После chunking получено {len(chunked_documents)} чанков")
         
-        return chunked_documents, chunk_info
+        # Return only chunked_documents, not the tuple
+        return chunked_documents
         
     except Exception as e:
         log_message(f"Ошибка загрузки JSON документов: {str(e)}")
-        return [], []
-    
+        return []
 
 def extract_section_title(section_text):
     if not section_text.strip():