- config.py: Added _resolve_bot_token() to read from config file - bot.py: Uses config.config.bot_token instead of env var directly - test_config.py: Added test for config file token reading
- Create config.py with Config class - Config precedence: ENV > config file > defaults - data_dir: JIGAIDO_DATA_DIR env or ~/.jigaido/config.json or default - bot_token: JIGAIDO_BOT_TOKEN env var - ensure_data_dir() method to create data directory - Add tests/test_config.py with 7 passing tests Fixes #7