from pydantic_settings import BaseSettings, SettingsConfigDict class Settings(BaseSettings): model_config = SettingsConfigDict(env_file=".env", extra="ignore") DATABASE_URL: str REDIS_URL: str SECRET_KEY: str ENVIRONMENT: str = "development" META_APP_ID: str = "" META_APP_SECRET: str = "" META_WEBHOOK_VERIFY_TOKEN: str = "" ANTHROPIC_API_KEY: str = "" ACCESS_TOKEN_EXPIRE_MINUTES: int = 60 ALGORITHM: str = "HS256" settings = Settings()