Major improvements:
- Aligned Encryptable and HasEncryptedEmail trait behavior
- Fixed double encryption issues
- Encryption now happens immediately on set (not on save)
- Decryption happens on access without modifying internal state
- Enhanced bulletproof double encryption protection
- Fixed relationship-loaded model decryption
- Comprehensive test coverage for all scenarios
- Breaking change: Encryption timing changed for consistency
This version resolves critical encryption corruption issues and provides
reliable, consistent behavior across all encrypted fields.