Bug Fixes and Improvements
- Fixed validation error messages to correctly report "problems" instead of "fields"
- Previously: "Validation failed for 2 fields" when one field had multiple errors
- Now: "Validation failed with 2 problems" (correctly reflects multiple errors per field)
- Updated Polish (pl) and Spanish (es) translation files with proper UTF-8 encoding
- Updated i18n documentation (I18N.md) with comprehensive guide on internationalization
Compatibility:
- Java 17+
- Kotlin 2.1.20
- Spring Boot 3.5.3