feat(screenshots): localize sample variety & market names per shot language

apps/app_seeds/test/screenshots/screenshot_support.dart

@@ -71,6 +71,31 @@ Future<void> loadScreenshotFonts() async {
   _fontsLoaded = true;
 }
 
+/// Localized sample labels so each screenshot reads in its own language. Family
+/// names stay botanical Latin; only the human variety/offer names are localized.
+/// English is the fallback (e.g. for `ja`, whose UI is itself partly English).
+const sampleLabels = <String, Map<AppLocale, String>>{
+  // Inventory varieties
+  'maize': {AppLocale.en: 'Painted flint corn', AppLocale.es: 'Maíz rojo', AppLocale.fr: 'Maïs corné rouge', AppLocale.de: 'Roter Hartmais', AppLocale.pt: 'Milho pintado'},
+  'buckwheat': {AppLocale.en: 'Common buckwheat', AppLocale.es: 'Trigo sarraceno', AppLocale.fr: 'Sarrasin', AppLocale.de: 'Buchweizen', AppLocale.pt: 'Trigo-mourisco'},
+  'raspberry': {AppLocale.en: 'Wild raspberry', AppLocale.es: 'Frambuesa', AppLocale.fr: 'Framboise sauvage', AppLocale.de: 'Wilde Himbeere', AppLocale.pt: 'Framboesa'},
+  'tomato': {AppLocale.en: 'Slicing tomato', AppLocale.es: 'Tomate de ensalada', AppLocale.fr: 'Tomate à trancher', AppLocale.de: 'Fleischtomate', AppLocale.pt: 'Tomate para salada'},
+  'chilli': {AppLocale.en: 'Guajillo chilli', AppLocale.es: 'Chile guajillo', AppLocale.fr: 'Piment guajillo', AppLocale.de: 'Guajillo-Chili', AppLocale.pt: 'Pimenta guajillo'},
+  'origin': {AppLocale.en: 'Community seed swap', AppLocale.es: 'Intercambio de semillas', AppLocale.fr: 'Troc de graines', AppLocale.de: 'Saatgut-Tausch', AppLocale.pt: 'Troca de sementes'},
+  // Market offers
+  'cherryTomato': {AppLocale.en: 'Cherry tomato', AppLocale.es: 'Tomate cherry', AppLocale.fr: 'Tomate cerise', AppLocale.de: 'Kirschtomate', AppLocale.pt: 'Tomate-cereja'},
+  'bean': {AppLocale.en: 'Climbing bean', AppLocale.es: 'Judía de enrame', AppLocale.fr: 'Haricot à rames', AppLocale.de: 'Stangenbohne', AppLocale.pt: 'Feijão-trepador'},
+  'sunflower': {AppLocale.en: 'Sunflower', AppLocale.es: 'Girasol', AppLocale.fr: 'Tournesol', AppLocale.de: 'Sonnenblume', AppLocale.pt: 'Girassol'},
+  'basil': {AppLocale.en: 'Sweet basil', AppLocale.es: 'Albahaca', AppLocale.fr: 'Basilic', AppLocale.de: 'Basilikum', AppLocale.pt: 'Manjericão'},
+  'carrot': {AppLocale.en: 'Purple carrot', AppLocale.es: 'Zanahoria morada', AppLocale.fr: 'Carotte violette', AppLocale.de: 'Violette Karotte', AppLocale.pt: 'Cenoura roxa'},
+};
+
+/// The sample label for [key] in [locale], falling back to English.
+String labelFor(String key, AppLocale locale) {
+  final m = sampleLabels[key]!;
+  return m[locale] ?? m[AppLocale.en]!;
+}
+
 const _fontFallbacks = <String>['Noto Sans JP', 'Noto Sans Arabic'];
 
 /// The real app theme, but with every text style pinned to the bundled
@@ -146,7 +171,9 @@ class SeededInventory {
 Future<SeededInventory> seedShowcase(
   AppDatabase db,
   VarietyRepository repo,
+  AppLocale locale,
 ) async {
+  String l(String key) => labelFor(key, locale);
   // Sow in spring, harvest seed in late summer — visible in the calendar.
   final sow = monthsToMask(const [3, 4, 5]);
   final harvest = monthsToMask(const [8, 9]);
@@ -174,16 +201,12 @@ Future<SeededInventory> seedShowcase(
   Future<Uint8List> photo(String name) =>
       File('test/screenshots/fixtures/$name.jpg').readAsBytes();
 
-  final maize = await add(
-    'Painted flint corn',
-    'Poaceae',
-    photo: await photo('maize'),
-  );
+  final maize = await add(l('maize'), 'Poaceae', photo: await photo('maize'));
   await repo.addLot(
     varietyId: maize,
     harvestYear: 2024,
     quantity: const Quantity(kind: QuantityKind.cob, count: 6),
-    originName: 'Community seed swap',
+    originName: l('origin'),
     abundance: Abundance.plentyToShare,
     offerStatus: OfferStatus.shared,
   );
@@ -196,10 +219,10 @@ Future<SeededInventory> seedShowcase(
 
   // The rest sit in families that sort at/after Poaceae, so the maize stays the
   // first, top-of-list group in the inventory shot. Each carries a CC0/PD photo.
-  await add('Common buckwheat', 'Polygonaceae', photo: await photo('buckwheat'));
-  await add('Wild raspberry', 'Rosaceae', photo: await photo('raspberry'));
-  await add('Slicing tomato', 'Solanaceae', photo: await photo('tomato'));
-  await add('Guajillo chilli', 'Solanaceae', photo: await photo('pepper'));
+  await add(l('buckwheat'), 'Polygonaceae', photo: await photo('buckwheat'));
+  await add(l('raspberry'), 'Rosaceae', photo: await photo('raspberry'));
+  await add(l('tomato'), 'Solanaceae', photo: await photo('tomato'));
+  await add(l('chilli'), 'Solanaceae', photo: await photo('pepper'));
 
   return SeededInventory(maize);
 }

apps/app_seeds/test/screenshots/screenshots_test.dart

@@ -45,13 +45,11 @@ void main() {
   late AppDatabase db;
   late VarietyRepository repo;
   late SpeciesRepository species;
-  late SeededInventory seeded;
 
   setUp(() async {
     db = newTestDatabase();
     repo = newTestRepository(db);
     species = newTestSpeciesRepository(db);
-    seeded = await seedShowcase(db, repo);
   });
   tearDown(() => db.close());
 
@@ -79,45 +77,52 @@ void main() {
 
   // A POPULATED market: a seeded OffersCubit (no transport) feeding MarketBody,
   // so the offer list renders with no live discovery stream to hang
-  // pumpAndSettle. (Live discovery is exercised by offers_cubit_test.dart; see
-  // the note in market_screen_test.dart on why we don't drive it via widgets.)
-  Future<Widget> market() async => Builder(
+  // pumpAndSettle. Offer names are localized. (Live discovery is exercised by
+  // offers_cubit_test.dart; see market_screen_test.dart on why not via widgets.)
+  Widget marketWidget(AppLocale locale) => Builder(
     builder: (context) => Scaffold(
       appBar: AppBar(
         title: Text(context.t.market.title),
         actions: [IconButton(icon: const Icon(Icons.tune), onPressed: () {})],
       ),
       body: BlocProvider<OffersCubit>(
-        create: (_) => _SeededOffersCubit(_sampleOffers()),
+        create: (_) => _SeededOffersCubit(_sampleOffers(locale)),
         child: MarketBody(onConfigure: () {}),
       ),
     ),
   );
 
-  /// Each entry renders one screen; the runner re-seeds and re-locales per shot.
-  final screens = <String, Future<Widget> Function()>{
-    'home': () async => const HomeScreen(marketEnabled: true),
-    'inventory': () async => const InventoryListScreen(),
-    'market': market,
-    'calendar': () async => const CalendarScreen(initialMonth: 4),
-    'detail': () async => BlocProvider(
-      create: (_) => VarietyDetailCubit(repo, seeded.heroVarietyId),
-      child: const VarietyDetailScreen(),
-    ),
-  };
+  const screenNames = ['home', 'inventory', 'market', 'calendar', 'detail'];
 
   for (final locale in screenshotLocales) {
-    for (final entry in screens.entries) {
-      testWidgets('${locale.languageCode}/${entry.key}', (tester) async {
+    for (final name in screenNames) {
+      testWidgets('${locale.languageCode}/$name', (tester) async {
+        // Re-seed per shot so the sample variety names are in the shot's
+        // language. Drift writes must run in REAL async (runAsync), not the
+        // testWidgets fake clock, or they hang.
+        late final SeededInventory seeded;
+        await tester.runAsync(() async {
+          seeded = await seedShowcase(db, repo, locale);
+        });
+        final child = switch (name) {
+          'home' => const HomeScreen(marketEnabled: true),
+          'inventory' => const InventoryListScreen(),
+          'market' => marketWidget(locale),
+          'calendar' => const CalendarScreen(initialMonth: 4),
+          _ => BlocProvider(
+            create: (_) => VarietyDetailCubit(repo, seeded.heroVarietyId),
+            child: const VarietyDetailScreen(),
+          ),
+        };
         await tester.pumpWidget(
           screenshotApp(
             repository: repo,
             species: species,
             locale: locale,
-            child: await entry.value(),
+            child: child,
           ),
         );
-        await capture(tester, locale.languageCode, entry.key);
+        await capture(tester, locale.languageCode, name);
       });
     }
   }
@@ -125,6 +130,7 @@ void main() {
   // RTL layout demo: base (English) strings, forced right-to-left, so the
   // mirrored inventory proves the design is RTL-safe. Not a translated locale.
   testWidgets('rtl/inventory', (tester) async {
+    await tester.runAsync(() => seedShowcase(db, repo, AppLocale.en));
     await tester.pumpWidget(
       screenshotApp(
         repository: repo,
@@ -159,12 +165,12 @@ class _NoopOfferTransport implements OfferTransport {
   Future<void> close() async {}
 }
 
-/// A small, internationally-neutral set of nearby offers across gift / swap /
-/// sale and colour-coded botanical families.
-List<Offer> _sampleOffers() => [
-  Offer(id: 'o1', authorPubkeyHex: 'a1' * 32, summary: 'Cherry tomato', type: OfferType.gift, category: 'Solanaceae', approxGeohash: 'sp3e9', isOrganic: true),
-  Offer(id: 'o2', authorPubkeyHex: 'a2' * 32, summary: 'Climbing bean', type: OfferType.exchange, category: 'Fabaceae', approxGeohash: 'sp3e8'),
-  Offer(id: 'o3', authorPubkeyHex: 'a3' * 32, summary: 'Sunflower', type: OfferType.sale, category: 'Asteraceae', approxGeohash: 'sp3ec', priceAmount: 2, priceCurrency: '€'),
-  Offer(id: 'o4', authorPubkeyHex: 'a4' * 32, summary: 'Sweet basil', type: OfferType.gift, category: 'Lamiaceae', approxGeohash: 'sp3e2', isOrganic: true),
-  Offer(id: 'o5', authorPubkeyHex: 'a5' * 32, summary: 'Purple carrot', type: OfferType.exchange, category: 'Apiaceae', approxGeohash: 'sp3ef'),
+/// A small set of nearby offers across gift / swap / sale and colour-coded
+/// botanical families, with names localized to [l].
+List<Offer> _sampleOffers(AppLocale l) => [
+  Offer(id: 'o1', authorPubkeyHex: 'a1' * 32, summary: labelFor('cherryTomato', l), type: OfferType.gift, category: 'Solanaceae', approxGeohash: 'sp3e9', isOrganic: true),
+  Offer(id: 'o2', authorPubkeyHex: 'a2' * 32, summary: labelFor('bean', l), type: OfferType.exchange, category: 'Fabaceae', approxGeohash: 'sp3e8'),
+  Offer(id: 'o3', authorPubkeyHex: 'a3' * 32, summary: labelFor('sunflower', l), type: OfferType.sale, category: 'Asteraceae', approxGeohash: 'sp3ec', priceAmount: 2, priceCurrency: '€'),
+  Offer(id: 'o4', authorPubkeyHex: 'a4' * 32, summary: labelFor('basil', l), type: OfferType.gift, category: 'Lamiaceae', approxGeohash: 'sp3e2', isOrganic: true),
+  Offer(id: 'o5', authorPubkeyHex: 'a5' * 32, summary: labelFor('carrot', l), type: OfferType.exchange, category: 'Apiaceae', approxGeohash: 'sp3ef'),
 ];