Patch release with NVM PATH fixes, shared UI library, and comprehensive test suite.

Changes:
- Added shared Bash UI library for consistent Campfire styling
- Added 20 pytest smoke tests
- Fixed Debian/Linux NVM Node version PATH fallback logic
- Added installer automation flags (--non-interactive, --color)
- Made Zsh template respect FRANKLIN_LOCAL_CONFIG variable

See CHANGELOG.md for full details.