- Implemented `has_table`, `table_has_column`, and `fields_update` functions in `alembic\helpers.py` to facilitate checking for table and column existence during migrations.
- Created `cron_remove_captcha.py` script to delete captcha files older than a specified number of days, enhancing file management.
- Added a new CSV file `mob_routes.csv` with headers for code, path, name, and img for future data integration.