v0.2.0 - Fixed Encryption/Decryption Behavior

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.