"""Run Alembic migrations to head on startup."""

import os
from pathlib import Path

from alembic import command
from alembic.config import Config


def run_migrations() -> None:
    """Apply all pending Alembic migrations."""
    backend_dir = Path(__file__).resolve().parent.parent
    alembic_cfg = Config(str(backend_dir / "alembic.ini"))
    alembic_cfg.set_main_option("script_location", str(backend_dir / "alembic"))
    command.upgrade(alembic_cfg, "head")