"""
Chunking utilities using RecursiveCharacterTextSplitter.
"""

from langchain_text_splitters import RecursiveCharacterTextSplitter

# Configure splitter: chunk size 500, overlap 100
splitter = RecursiveCharacterTextSplitter(chunk_size=500, chunk_overlap=100)

def split_text(text: str) -> list[str]:
    """Split a large text into chunks.

    Args:
        text: The raw document content.

    Returns:
        List of string chunks.
    """
    return splitter.split_text(text)