"""Conversation kinds as one closed type for agents, frontends, service."""

from __future__ import annotations

from typing import Literal, get_args

__all__ = ["KINDS", "Kind", "as_kind"]

Kind = Literal["master", "branch", "deep", "job", "fork"]
KINDS: tuple[Kind, ...] = get_args(Kind)


def as_kind(value: str) -> Kind:
    for kind in KINDS:
        if value == kind:
            return kind
    msg = f"unknown conversation kind {value!r}"
    raise ValueError(msg)