app/config.py

from pydantic_settings import BaseSettings
from typing import Optional


class Settings(BaseSettings):
    # Model settings
    MODEL_PATH: str = "./models/smartbugs-expert"
    HF_MODEL_ID: Optional[str] = None          # e.g. "your-hf-username/smart-contract-auditor"
    HF_TOKEN: Optional[str] = None
    USE_PATTERN_FALLBACK: bool = True

    # Generation settings
    MAX_NEW_TOKENS: int = 300
    TEMPERATURE: float = 0.7
    MAX_INPUT_LENGTH: int = 1024

    # Server
    HOST: str = "0.0.0.0"
    PORT: int = 8000

    class Config:
        env_file = ".env"


settings = Settings()