"""Command-line entry point for the Jules Job Manager CLI.
The module exposes a small surface that will be expanded incrementally using a
test-driven development workflow. At this stage only parser creation and the
root ``main`` function are provided.
"""
from __future__ import annotations
import argparse
from typing import Optional
def create_parser() -> argparse.ArgumentParser:
"""Create and return the base CLI argument parser."""
parser = argparse.ArgumentParser(description="Jules Job Manager CLI")
parser.add_subparsers(dest="command")
return parser
def main(argv: Optional[list[str]] = None) -> int:
"""Placeholder CLI entry point returning success.
Args:
argv: Optional list of command-line arguments for future expansion.
Returns:
Integer exit code, where zero indicates success.
"""
parser = create_parser()
parser.parse_args(argv)
return 0