fix(ui): card chip spacing, instant flag clearing, locale-wide label

- Space the update chip off the card title to match the detail header
- Clear the extension's update flag right after a successful upgrade so
  the chip disappears without waiting for the background re-check
- Use the concise Update label across all locales

ui/flutter/lib/features/extensions/application/extensions_controller.dart

@@ -243,6 +243,9 @@ class ExtensionsController extends AsyncNotifier<ExtensionsState> {
     await _runBusy(extension.identity, () async {
       await ref.read(gopeedServiceProvider).updateExtension(extension.identity);
       await loadInstalled(refreshUpdates: false);
+      // Drop the stale flag immediately; the background re-check confirms it.
+      final flags = Map<String, String>.of(_current.updateFlags)..remove(extension.identity);
+      state = AsyncValue.data(_current.copyWith(updateFlags: flags));
       unawaited(checkUpdate());
       _bumpStoreInstallCount(extension.identity);
       _reportInstallSafe(extension.identity);

ui/flutter/lib/features/extensions/presentation/pages/extensions_page.dart

@@ -993,7 +993,8 @@ class _ExtensionCard extends ConsumerWidget {
                             style: TextStyle(color: palette.textPrimary, fontSize: 14, fontWeight: FontWeight.w700),
                           ),
                         ),
-                        if (canUpdate && installed != null)
+                        if (canUpdate && installed != null) ...[
+                          const SizedBox(width: 8),
                           Flexible(
                             child: ExtensionUpdateStatus(
                               key: ValueKey('extension-card-update-status-${item.id}'),
@@ -1001,6 +1002,7 @@ class _ExtensionCard extends ConsumerWidget {
                               onTap: busy ? null : () => showExtensionUpdateDialog(context, installed),
                             ),
                           ),
+                        ],
                       ],
                     ),
                     const SizedBox(height: 2),

ui/flutter/lib/l10n/app_ar.arb

@@ -99,7 +99,7 @@
   "add": "إضافة",
   "edit": "تعديل",
   "newVersionTitle": "يتوفر إصدار جديد @version",
-  "newVersionUpdate": "تحديث الآن",
+  "newVersionUpdate": "تحديث",
   "newVersionLater": "لاحقاً",
   "extensions": "الإضافات",
   "extensionInstallUrl": "عنوان التثبيت",

ui/flutter/lib/l10n/app_az.arb

@@ -106,7 +106,7 @@
   "add": "Əlavə et",
   "edit": "Redaktə et",
   "newVersionTitle": "Yeni versiya @version tapıldı",
-  "newVersionUpdate": "İndi Yenilə",
+  "newVersionUpdate": "Yenilə",
   "newVersionLater": "Sonra",
   "extensions": "Uzantılar",
   "extensionInstallUrl": "Quraşdırma URL-i",

ui/flutter/lib/l10n/app_ca.arb

@@ -99,7 +99,7 @@
   "add": "Afegeix",
   "edit": "Edita",
   "newVersionTitle": "Descobriu la nova versió @version",
-  "newVersionUpdate": "Actualitza ara",
+  "newVersionUpdate": "Actualitza",
   "newVersionLater": "Més tard",
   "extensions": "Extensions",
   "extensionInstallUrl": "URL d'instal·lació",

ui/flutter/lib/l10n/app_de.arb

@@ -99,7 +99,7 @@
   "add": "Hinzugefügt",
   "edit": "Bearbeiten",
   "newVersionTitle": "Entdecken Sie die neue Version @version",
-  "newVersionUpdate": "Jetzt aktualisieren",
+  "newVersionUpdate": "Aktualisieren",
   "newVersionLater": "Später",
   "extensions": "Erweiterungen",
   "extensionInstallUrl": "Installations-URL",

ui/flutter/lib/l10n/app_es.arb

@@ -99,7 +99,7 @@
   "add": "Añadir",
   "edit": "Editar",
   "newVersionTitle": "Nueva versión @version disponible",
-  "newVersionUpdate": "Actualizar Ahora",
+  "newVersionUpdate": "Actualizar",
   "newVersionLater": "Más tarde",
   "extensions": "Extensiones",
   "extensionInstallUrl": "URL de instalación",

ui/flutter/lib/l10n/app_fa.arb

@@ -99,7 +99,7 @@
   "add": "افزودن",
   "edit": "ویرایش",
   "newVersionTitle": "@version عنوان: کشف نسخه جدید",
-  "newVersionUpdate": "بروزرسانی",
+  "newVersionUpdate": "به‌روزرسانی",
   "newVersionLater": "بعداً",
   "extensions": "افزونه‌ها",
   "extensionInstallUrl": "نشانی نصب",

ui/flutter/lib/l10n/app_fr.arb

@@ -99,7 +99,7 @@
   "add": "Ajouter",
   "edit": "Modifier",
   "newVersionTitle": "Nouvelle version @version disponible",
-  "newVersionUpdate": "Mettre à jour maintenant",
+  "newVersionUpdate": "Mettre à jour",
   "newVersionLater": "Plus tard",
   "extensions": "Extensions",
   "extensionInstallUrl": "URL d'installation",

ui/flutter/lib/l10n/app_hu.arb

@@ -99,7 +99,7 @@
   "add": "Hozzáad",
   "edit": "Szerk",
   "newVersionTitle": "Új verzió felfedezése @version",
-  "newVersionUpdate": "Frissítés most",
+  "newVersionUpdate": "Frissítés",
   "newVersionLater": "Később",
   "extensions": "Bővítmények",
   "extensionInstallUrl": "Telepítési URL",

ui/flutter/lib/l10n/app_id.arb

@@ -99,7 +99,7 @@
   "add": "Tambah",
   "edit": "Sunting",
   "newVersionTitle": "Temukan versi batu @version",
-  "newVersionUpdate": "Perbarui Sekarang",
+  "newVersionUpdate": "Perbarui",
   "newVersionLater": "Nanti",
   "extensions": "Ekstensi",
   "extensionInstallUrl": "URL Instal",

ui/flutter/lib/l10n/app_it.arb

@@ -99,7 +99,7 @@
   "add": "Aggiungi",
   "edit": "Modifica",
   "newVersionTitle": "Scopri la nuova versione @version",
-  "newVersionUpdate": "Aggiorna ora",
+  "newVersionUpdate": "Aggiorna",
   "newVersionLater": "Dopo",
   "extensions": "Estensioni",
   "extensionInstallUrl": "Installa URL",

ui/flutter/lib/l10n/app_ja.arb

@@ -99,7 +99,7 @@
   "add": "追加",
   "edit": "編集",
   "newVersionTitle": "新しいバージョン @version を発見する",
-  "newVersionUpdate": "アップデート",
+  "newVersionUpdate": "更新",
   "newVersionLater": "後で",
   "extensions": "拡張機能",
   "extensionInstallUrl": "インストールURL",

ui/flutter/lib/l10n/app_ko.arb

@@ -99,7 +99,7 @@
   "add": "추가",
   "edit": "편집",
   "newVersionTitle": "새 버전 @version 발견",
-  "newVersionUpdate": "지금 업데이트",
+  "newVersionUpdate": "업데이트",
   "newVersionLater": "나중에",
   "extensions": "확장 프로그램",
   "extensionInstallUrl": "설치 URL",

ui/flutter/lib/l10n/app_pl.arb

@@ -99,7 +99,7 @@
   "add": "Dodaj",
   "edit": "Edycja",
   "newVersionTitle": "Sprawdź aktualizację @version",
-  "newVersionUpdate": "Aktualizuj teraz",
+  "newVersionUpdate": "Aktualizuj",
   "newVersionLater": "Później",
   "extensions": "Wtyczki",
   "extensionInstallUrl": "Instaluj z url",

ui/flutter/lib/l10n/app_pt.arb

@@ -99,7 +99,7 @@
   "add": "Adicionar",
   "edit": "Editar",
   "newVersionTitle": "Nova Versão Disponível @version",
-  "newVersionUpdate": "Atualizar Agora",
+  "newVersionUpdate": "Atualizar",
   "newVersionLater": "Mais Tarde",
   "extensions": "Extensões",
   "extensionInstallUrl": "Link de Instalação",

ui/flutter/lib/l10n/app_ta.arb

@@ -99,7 +99,7 @@
   "add": "சேர்",
   "edit": "திருத்துக",
   "newVersionTitle": "புதிய பதிப்பைக் கண்டறியவும் @version",
-  "newVersionUpdate": "இப்பொழுது புதுப்பி",
+  "newVersionUpdate": "புதுப்பிப்பு",
   "newVersionLater": "பின்னர்",
   "extensions": "நீட்டிப்புகள்",
   "extensionInstallUrl": "நிறுவப்படும் URL",

ui/flutter/lib/l10n/app_tr.arb

@@ -99,7 +99,7 @@
   "add": "Ekle",
   "edit": "Düzenle",
   "newVersionTitle": "Yeni sürüm @version keşfedildi",
-  "newVersionUpdate": "Şimdi Güncelle",
+  "newVersionUpdate": "Güncelle",
   "newVersionLater": "Daha Sonra",
   "extensions": "Eklentiler",
   "extensionInstallUrl": "Kurulum URL'si",

ui/flutter/lib/l10n/app_uk.arb

@@ -99,7 +99,7 @@
   "add": "Додати",
   "edit": "Редагування",
   "newVersionTitle": "Доступна нова версія @Version",
-  "newVersionUpdate": "Оновити зараз",
+  "newVersionUpdate": "Оновити",
   "newVersionLater": "Пізніше",
   "extensions": "Розширення",
   "extensionInstallUrl": "URL для встановлення",

ui/flutter/lib/l10n/app_vi.arb

@@ -99,7 +99,7 @@
   "add": "Thêm",
   "edit": "Sửa",
   "newVersionTitle": "Khám phá phiên bản mới @version",
-  "newVersionUpdate": "Cập nhật ngay",
+  "newVersionUpdate": "Cập nhật",
   "newVersionLater": "Sau",
   "extensions": "Tiện ích mở rộng",
   "extensionInstallUrl": "Liên kết cài đặt",

ui/flutter/lib/l10n/app_zh_TW.arb

@@ -99,7 +99,7 @@
   "add": "新增",
   "edit": "編輯",
   "newVersionTitle": "發現新版本 @version",
-  "newVersionUpdate": "立即更新",
+  "newVersionUpdate": "更新",
   "newVersionLater": "稍後",
   "extensions": "擴充功能",
   "extensionInstallUrl": "安裝 URL",