"""Application configuration loaded from environment variables.

Settings are read from `.env` at process start. The Anthropic API key is the
only required secret; everything else has a sensible default so the app can
boot in dev without ceremony.
"""

from pydantic_settings import BaseSettings, SettingsConfigDict


class Settings(BaseSettings):
    model_config = SettingsConfigDict(env_file=".env", env_file_encoding="utf-8", extra="ignore")

    anthropic_api_key: str
    anthropic_model: str = "claude-sonnet-4-5"
    max_tokens: int = 1024
    server_host: str = "127.0.0.1"
    server_port: int = 8014


settings = Settings()  # type: ignore[call-arg]