config.py

# config.py
import os
import threading

from dotenv import load_dotenv
from huggingface_hub import login

load_dotenv(override=True)

# ── Auth ──────────────────────────────────────────────────────────────────────
hf_token = os.getenv("HF_TOKEN")
if hf_token:
    login(token=hf_token)
else:
    print(
        "Warning: HF_TOKEN not set. Running without Hugging Face authentication. "
        "Set HF_TOKEN in your Space secrets for higher rate limits."
    )

# ── Concurrency ───────────────────────────────────────────────────────────────
append_answer_lock = threading.Lock()

# ── Model ID ───────────────────────────────────────────────────────────────────
MODEL_ID = "Qwen/Qwen3.6-27B:featherless-ai"

# ── Model role mapping ────────────────────────────────────────────────────────
CUSTOM_ROLE_CONVERSIONS = {"tool-call": "assistant", "tool-response": "user"}

# ── Browser / HTTP ────────────────────────────────────────────────────────────
USER_AGENT = (
    "Mozilla/5.0 (Windows NT 10.0; Win64; x64) "
    "AppleWebKit/537.36 (KHTML, like Gecko) "
    "Chrome/119.0.0.0 Safari/537.36 Edg/119.0.0.0"
)

BROWSER_CONFIG = {
    "viewport_size": 1024 * 5,
    "downloads_folder": "downloads_folder",
    "request_kwargs": {
        "headers": {"User-Agent": USER_AGENT},
        "timeout": 300,
    },
    "exa_key": os.getenv("EXA_API_KEY"),
}

os.makedirs(f"./{BROWSER_CONFIG['downloads_folder']}", exist_ok=True)

# ── Agent ─────────────────────────────────────────────────────────────────────
AUTHORIZED_IMPORTS = [
    "requests", "zipfile", "pandas", "numpy", "sympy", "json", "bs4",
    "pubchempy", "xml", "yahoo_finance", "Bio", "sklearn", "scipy",
    "pydub", "PIL", "chess", "PyPDF2", "pptx", "torch", "datetime",
    "fractions", "csv",
]

TEXT_LIMIT = 20_000