"""
Chunking utilities for the RAG agent.

Uses RecursiveCharacterTextSplitter from langchain.text_splitter to split documents into
chunks of 500 characters with an overlap of 100 characters. The splitter is exposed as a
singleton instance so that it can be reused across the project.
"""

from langchain_text_splitters import RecursiveCharacterTextSplitter

# Singleton splitter configuration
CHUNKER = RecursiveCharacterTextSplitter(
    chunk_size=500,
    chunk_overlap=100,
)

__all__ = ["CHUNKER"]