validatePersonFields now returns a PersonValidationKey instead of a
hardcoded German string. resolveValidationMessage() translates the key
through Paraglide so English and Spanish locale users no longer see
German error text. Adds validation_last_name_required and
validation_first_name_required to all three message files.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- New src/lib/person-validation.ts exports validatePersonFields (pure function)
- 8 unit tests covering: valid PERSON, lastName missing/undefined,
firstName missing/undefined for PERSON, non-PERSON types without firstName
- Both edit and new-person server actions now call the shared helper instead
of inline if-chains, making the logic testable and non-duplicated
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
