"""Typed application settings: the only reader of environment variables."""

from enum import StrEnum

from pydantic_settings import BaseSettings, SettingsConfigDict


class AppMode(StrEnum):
    """Runtime mode: live Spotify + Anthropic, or fixture-replay demo."""

    LIVE = "live"
    DEMO = "demo"


class Settings(BaseSettings):
    """Application settings, loaded from the environment or a .env file."""

    model_config = SettingsConfigDict(env_file=".env", extra="ignore")

    app_mode: AppMode = AppMode.DEMO


settings = Settings()