- Replace argparse/print/sys.exit with click commands and ClickException
- Translate all user-facing messages via _()
- Add friendly Oops! / Nice! prompts
- Wrap HTTP errors in all scripts with user-friendly translated messages
- Update all unit tests to use CliRunner and expect ClickException
- Add 100% branch coverage for new HTTP error handling branches
- Add missing translation keys to i18n.py
- Fix pre-commit hook to use venv Python for validate_commit_msg.py
Emil Simeonov