V1.0.3 - Added Login via CLI and Authentication to API

Added

• Two-Factor Authentication Support
  • BambuAuthenticator class for complete login flow with 2FA
  • Automatic email verification code handling
  • MFA (multi-factor authentication) support
  • Token persistence with secure file storage (0600 permissions)
  • Token validation and auto-refresh functionality
  • Support for both Global and China API regions
• CLI Authentication Tool (cli_tools/login.py)
  • Interactive login with email verification code prompt
  • Non-interactive mode with command-line arguments
  • Token verification and testing
  • Force new login option
• Authentication Documentation
  • Updated API_AUTHENTICATION.md with complete login flow
• Authentication Tests
  • Unit tests for BambuAuthenticator class
  • Token save/load/verify functionality tests
  • Mock-based login flow testing
  • 12/12 tests passing

Changed

• Enhanced bambulab/__init__.py to export BambuAuthenticator and BambuAuthError
• Updated README.md with authentication quick start guide
• Improved auth.py with comprehensive 2FA flow implementation