from pydantic_settings import BaseSettings, SettingsConfigDict


class Settings(BaseSettings):
    """项目配置，通过环境变量或项目根目录下的 .env 文件覆盖。"""

    env: str = "dev"

    # 火山引擎（OpenAI 兼容风格）
    volcengine_api_key: str = ""
    volcengine_base_url: str = "https://ark.cn-beijing.volces.com/api/v3"

    # Claude（Anthropic 风格）
    anthropic_api_key: str = ""
    anthropic_base_url: str = ""

    model_config = SettingsConfigDict(
        env_file=".env",
        env_file_encoding="utf-8",
        case_sensitive=False,
        extra="ignore",
    )