Jean-Luc Makiola f759dd0fde feat(i18n): locale-aware formatters and useLanguage hook ...

- Create useLanguage() hook following useCurrency/useWeightUnit pattern
- Update formatPrice() to use Intl.NumberFormat for locale-aware currency display
- Update formatWeight() to use Intl.NumberFormat for locale-aware number formatting
- Update formatDualPrice() to pass locale through
- Update useFormatters() to pass locale to all formatters
- Add formatter tests for en/de locales (15 tests passing)

Phase 34, Plan 03

2026-04-13 18:20:23 +02:00

2.1 KiB

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