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feat(i18n): full RTL/CJK support — fonts, Japanese locale, directional fixes

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Bundle Noto Sans Arabic + Noto Sans JP (SIL OFL 1.1) as per-glyph fallbacks
for both the UI text theme and every generated PDF, so RTL (Arabic) and CJK
render on all platforms — including desktop, where the system font may lack
them — instead of tofu. A shared pdf_fonts.dart centralizes the PDF theme and
the three label/catalog/recovery services reuse it.

Add Japanese (ja) as the CJK reference locale — fittingly, the app's own name
is Japanese (種, tane, 'seed'). Core strings translated; the rest fall back to
English via slang. Wired into supportedLocales (automatic) and the settings
picker.

Fix three physical Alignment.centerLeft -> AlignmentDirectional.centerStart in
variety_detail_screen, and make month-abbreviation and avatar-initial
truncation grapheme-safe (.characters) so CJK text is never cut mid-character.

Tests: CJK/Arabic PDF glyph render, ja locale resolution + English fallback.
The chat-bubble mirroring flagged by the audit was verified correct (already
respects Directionality) and left unchanged.
This commit is contained in:
vjrj 2026-07-14 11:11:19 +02:00
parent fe4591d747
commit 7ae6becd8f
31 changed files with 686 additions and 104 deletions
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4
apps/app_seeds/lib/i18n/strings_de.g.dart
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@ -269,6 +269,7 @@ class _Translations$settings$de extends Translations$settings$en {
@override String get aboutOpen => 'Über Tane';
@override String get langDe => 'Deutsch';
@override String get langFr => 'Français';
@override String get langJa => '日本語';
}
// Path: backup
@ -1488,6 +1489,7 @@ extension on TranslationsDe {
'settings.aboutOpen' => 'Über Tane',
'settings.langDe' => 'Deutsch',
'settings.langFr' => 'Français',
'settings.langJa' => '日本語',
'backup.title' => 'Sicherung und Wiederherstellung',
'backup.autoBackupTitle' => 'Automatische Sicherungen',
'backup.autoBackupLast' => ({required Object date}) => 'Letzte Sicherung ${date}',
@ -1918,9 +1920,9 @@ extension on TranslationsDe {
'sale.counterpartyHint' => 'Eine Person oder ein Kollektiv (optional)',
'sale.amount' => 'Betrag',
'sale.currency' => 'Währung',
'sale.currencyHint' => '€, Ğ1, Stunden… (optional)',
_ => null,
} ?? switch (path) {
'sale.currencyHint' => '€, Ğ1, Stunden… (optional)',
'sale.hours' => 'Stunden',
'sale.note' => 'Notiz (optional)',
'sale.save' => 'Speichern',