- Refactor AccountForm to use toggle for showing/hiding profile fields
- Add show2dCodeInMonthlyStatement field to UserProfile database schema
- Implement conditional validation: all fields mandatory when 2D code is enabled
- Update FormSchema with .refine() methods for firstName, lastName, address, and IBAN
- IBAN validation includes both presence check and format validation when required
- Add validation error messages to English and Croatian localization files
- Initialize toggle state from persisted database value
- Form fields conditionally displayed based on toggle state
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Co-Authored-By: Claude <noreply@anthropic.com>