app/config.py

import os
from dotenv import load_dotenv

load_dotenv()

PROJECT_ROOT = os.path.dirname(os.path.dirname(__file__))  # .../app -> project root
DATA_DIR = os.path.join(PROJECT_ROOT, "data")
KB_DIR = os.path.join(DATA_DIR, "knowledge_base")
PROTOCOLS_DIR = os.path.join(DATA_DIR, "protocols_archive")

KB_FILES_DIR = os.path.join(KB_DIR, "files")
KB_INDEX_PATH = os.path.join(KB_DIR, "kb_index.json")
FEEDBACK_DB_PATH = os.path.join(DATA_DIR, "feedback.db")

OPENAI_API_KEY = os.getenv("OPENAI_API_KEY", "").strip()

TELEGRAM_BOT_TOKEN = os.getenv("TELEGRAM_BOT_TOKEN", "").strip()
TELEGRAM_CHAT_ID = os.getenv("TELEGRAM_CHAT_ID", "").strip()