"""Load .env from backend/ and repo root so one file works from either cwd."""

from __future__ import annotations

from pathlib import Path

from dotenv import load_dotenv

_BACKEND_DIR = Path(__file__).resolve().parent.parent
_REPO_ROOT = _BACKEND_DIR.parent


def load_app_env() -> None:
    """Later paths override earlier (most specific wins)."""
    for path in (
        _REPO_ROOT / ".env",
        _REPO_ROOT / ".env.local",
        _BACKEND_DIR / ".env",
        _BACKEND_DIR / ".env.local",
    ):
        if path.is_file():
            load_dotenv(path, override=True)