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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_ast.g.dart
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@ -265,6 +265,7 @@ class _Translations$settings$ast extends Translations$settings$en {
@override String get langAst => 'Asturianu';
@override String get langFr => 'Français';
@override String get langDe => 'Deutsch';
@override String get langJa => '日本語';
@override String get about => 'Tocante a';
@override String get aboutText => 'Inventariu llocal y cifráu pa simiente tradicional. AGPL-3.0.';
@override String get aboutOpen => 'Tocante a Tane';
@ -1488,6 +1489,7 @@ extension on TranslationsAst {
'settings.langAst' => 'Asturianu',
'settings.langFr' => 'Français',
'settings.langDe' => 'Deutsch',
'settings.langJa' => '日本語',
'settings.about' => 'Tocante a',
'settings.aboutText' => 'Inventariu llocal y cifráu pa simiente tradicional. AGPL-3.0.',
'settings.aboutOpen' => 'Tocante a Tane',
@ -1922,9 +1924,9 @@ extension on TranslationsAst {
'sale.iSold' => 'Vendí',
'sale.iBought' => 'Mercué',
'sale.direction' => '¿Vendes o merques?',
'sale.counterparty' => '¿Con quién?',
_ => null,
} ?? switch (path) {
'sale.counterparty' => '¿Con quién?',
'sale.counterpartyHint' => 'Una persona o un coleutivu (opcional)',
'sale.amount' => 'Importe',
'sale.currency' => 'Moneda',