"""Mode registration — also the EE extension point (the insights mode
registers itself from ee/backend via ee_hooks)."""

from app.modes.base import Mode

_MODES: dict[str, Mode] = {}


def register_mode(mode: Mode) -> None:
    _MODES[mode.name] = mode


def get_mode(name: str) -> Mode | None:
    return _MODES.get(name)


def registered_modes() -> list[str]:
    return sorted(_MODES)