"""Singleton registry for code draft service."""

from __future__ import annotations

from .service import CodeDraftService

_codegen_service = None


def get_codegen_service(llm_service) -> CodeDraftService:
    """Get singleton code draft generation service."""
    global _codegen_service
    if _codegen_service is None:
        _codegen_service = CodeDraftService(llm_service)
    return _codegen_service