app/config.py

"""Centralised paths & constants."""
from pathlib import Path

ROOT = Path(__file__).resolve().parent.parent
MODELS_DIR = ROOT / "models"
AUDIO_CACHE = ROOT / "cache" / "audio"
AUDIO_CACHE.mkdir(parents=True, exist_ok=True)

BASE_MODEL_ID = "dima806/english_accents_classification"  # HF model
SEGMENT_SECONDS = 30  # audio length fed to the classifier