config.py

from functools import lru_cache
from typing import List

from pydantic_settings import BaseSettings


class Settings(BaseSettings):
    """Application settings optimized for HuggingFace Spaces."""
    
    # Application metadata
    app_name: str = "API"
    app_version: str = "1.0.0"
    

    model_id: str = "LiquidAI/LFM2.5-1.2B-Instruct-ONNX"
    model_variant: str = "q8"
    
    # Server settings (HuggingFace Spaces uses port 7860)
    host: str = "0.0.0.0"
    port: int = 7860
    
    # CORS settings
    cors_origins: List[str] = ["*"]
    

    temperature: float = 0.1
    top_k: int = 50
    top_p: float = 0.1
    max_tokens: int = 2000  # Max output tokens (model supports 32K context)
    repetition_penalty: float = 1.05
    

    num_threads: int = 2
    
    # Logging
    log_level: str = "info"
    
    class Config:
        env_prefix = "LFM_"


@lru_cache()
def get_settings() -> Settings:
    """Get cached settings."""
    return Settings()


settings = get_settings()