Add native Vietnamese localization support

CHANGELOG.md

@@ -5,6 +5,8 @@
 ### Added
 - Localization: add French as a selectable app language (#1241). Thanks @Yuxin-Qiao!
 - Localization: add Ukrainian as a selectable app language (#1250). Thanks @Yuxin-Qiao!
+- Localization: add Dutch as a selectable app language (#1252). Thanks @Yuxin-Qiao!
+- Localization: add Vietnamese as a selectable app language (#1247). Thanks @Yuxin-Qiao!
 
 ### Fixed
 - Claude: remove transient ClaudeProbe session artifacts after CLI usage polls so background refreshes no longer fill Claude Code project history with CodexBar `/usage` sessions (#1301). Thanks @LPFchan and @matthewod11-stack!

Sources/CodexBar/PreferencesGeneralPane.swift

@@ -14,6 +14,7 @@ enum AppLanguage: String, CaseIterable, Identifiable {
     case french = "fr"
     case dutch = "nl"
     case ukrainian = "uk"
+    case vietnamese = "vi"
 
     var id: String {
         self.rawValue
@@ -32,6 +33,7 @@ enum AppLanguage: String, CaseIterable, Identifiable {
         case .french: L("language_french")
         case .dutch: L("language_dutch")
         case .ukrainian: L("language_ukrainian")
+        case .vietnamese: L("language_vietnamese")
         }
     }
 }

Sources/CodexBar/Resources/ca.lproj/Localizable.strings

@@ -399,6 +399,7 @@
 "language_chinese_simplified" = "简体中文";
 "language_chinese_traditional" = "繁體中文";
 "language_portuguese_brazilian" = "Português (Brasil)";
+"language_swedish" = "Suec";
 "language_dutch" = "Nederlands";
 "language_french" = "Francès";
 "language_ukrainian" = "Ucraïnès";
@@ -919,3 +920,5 @@
 "Clear" = "Esborra";
 "No matching providers" = "No hi ha proveïdors coincidents";
 "Search providers" = "Cerca proveïdors";
+
+"language_vietnamese" = "Vietnamita";

Sources/CodexBar/Resources/en.lproj/Localizable.strings

@@ -1063,3 +1063,5 @@
 "Clear" = "Clear";
 "No matching providers" = "No matching providers";
 "Search providers" = "Search providers";
+
+"language_vietnamese" = "Vietnamese";

Sources/CodexBar/Resources/es.lproj/Localizable.strings

@@ -399,6 +399,7 @@
 "language_chinese_simplified" = "简体中文";
 "language_chinese_traditional" = "繁體中文";
 "language_portuguese_brazilian" = "Português (Brasil)";
+"language_swedish" = "Sueco";
 "language_dutch" = "Nederlands";
 "language_french" = "Francés";
 "language_ukrainian" = "Ucraniano";
@@ -919,3 +920,5 @@
 "Clear" = "Borrar";
 "No matching providers" = "No hay proveedores coincidentes";
 "Search providers" = "Buscar proveedores";
+
+"language_vietnamese" = "Vietnamita";

Sources/CodexBar/Resources/fr.lproj/Localizable.strings

@@ -401,7 +401,9 @@
 "language_portuguese_brazilian" = "Portugais (Brésil)";
 "language_swedish" = "Suédois";
 "language_french" = "Français";
+"language_dutch" = "Néerlandais";
 "language_ukrainian" = "Ukrainien";
+"language_vietnamese" = "Vietnamien";
 "start_at_login_title" = "Lancer à l'ouverture de session";
 "start_at_login_subtitle" = "Ouvre automatiquement CodexBar au démarrage de votre Mac.";
 "show_cost_summary" = "Afficher le récapitulatif des coûts";

Sources/CodexBar/Resources/nl.lproj/Localizable.strings

@@ -403,6 +403,7 @@
 "language_french" = "Frans";
 "language_ukrainian" = "Oekraïens";
 "language_swedish" = "Zweeds";
+"language_vietnamese" = "Vietnamees";
 "start_at_login_title" = "Begin bij Inloggen";
 "start_at_login_subtitle" = "Opent automatisch CodexBar wanneer u uw Mac start.";
 "show_cost_summary" = "Kostenoverzicht weergeven";

Sources/CodexBar/Resources/pt-BR.lproj/Localizable.strings

@@ -399,6 +399,7 @@
 "language_chinese_simplified" = "Chinês simplificado";
 "language_chinese_traditional" = "Chinês tradicional";
 "language_portuguese_brazilian" = "Português (Brasil)";
+"language_swedish" = "Sueco";
 "language_dutch" = "Nederlands";
 "language_french" = "Francês";
 "language_ukrainian" = "Ucraniano";
@@ -1062,3 +1063,5 @@
 "Clear" = "Limpar";
 "No matching providers" = "Nenhum provedor correspondente";
 "Search providers" = "Buscar provedores";
+
+"language_vietnamese" = "Vietnamita";

Sources/CodexBar/Resources/sv.lproj/Localizable.strings

@@ -1061,3 +1061,5 @@
 "Clear" = "Rensa";
 "No matching providers" = "Inga matchande leverantörer";
 "Search providers" = "Sök leverantörer";
+
+"language_vietnamese" = "Vietnamesiska";

Sources/CodexBar/Resources/uk.lproj/Localizable.strings

@@ -401,7 +401,9 @@
 "language_portuguese_brazilian" = "Português (Brasil)";
 "language_swedish" = "Svenska";
 "language_french" = "Français";
+"language_dutch" = "Нідерландська";
 "language_ukrainian" = "Українська";
+"language_vietnamese" = "В'єтнамська";
 "start_at_login_title" = "Почніть із входу";
 "start_at_login_subtitle" = "Автоматично відкриває CodexBar під час запуску Mac.";
 "show_cost_summary" = "Показати підсумок витрат";

Sources/CodexBar/Resources/zh-Hans.lproj/Localizable.strings

@@ -406,6 +406,7 @@
 "language_chinese_simplified" = "简体中文";
 "language_chinese_traditional" = "繁體中文";
 "language_portuguese_brazilian" = "Português (Brasil)";
+"language_swedish" = "瑞典语";
 "language_dutch" = "Nederlands";
 "language_french" = "法语";
 "language_ukrainian" = "乌克兰语";
@@ -1036,3 +1037,5 @@
 "Clear" = "清除";
 "No matching providers" = "没有匹配的提供商";
 "Search providers" = "搜索提供商";
+
+"language_vietnamese" = "越南语";

Sources/CodexBar/Resources/zh-Hant.lproj/Localizable.strings

@@ -406,6 +406,7 @@
 "language_chinese_simplified" = "简体中文";
 "language_chinese_traditional" = "繁體中文";
 "language_portuguese_brazilian" = "Português (Brasil)";
+"language_swedish" = "瑞典語";
 "language_dutch" = "Nederlands";
 "language_french" = "法語";
 "language_ukrainian" = "烏克蘭語";
@@ -932,3 +933,5 @@
 "Clear" = "清除";
 "No matching providers" = "沒有相符的提供者";
 "Search providers" = "搜尋提供者";
+
+"language_vietnamese" = "越南語";

Tests/CodexBarTests/LocalizationLanguageCatalogTests.swift

@@ -3,12 +3,50 @@ import Testing
 @testable import CodexBar
 
 struct LocalizationLanguageCatalogTests {
+    private let languageKeys = [
+        "language_system",
+        "language_english",
+        "language_spanish",
+        "language_catalan",
+        "language_chinese_simplified",
+        "language_chinese_traditional",
+        "language_portuguese_brazilian",
+        "language_swedish",
+        "language_french",
+        "language_dutch",
+        "language_ukrainian",
+        "language_vietnamese",
+    ]
+
     @Test
     func `app language catalog includes Ukrainian`() {
         #expect(AppLanguage.allCases.contains(.ukrainian))
         #expect(AppLanguage.ukrainian.rawValue == "uk")
     }
 
+    @Test
+    func `localized catalogs include every app language label`() throws {
+        #expect(self.languageKeys.count == AppLanguage.allCases.count)
+
+        let root = URL(fileURLWithPath: #filePath)
+            .deletingLastPathComponent()
+            .deletingLastPathComponent()
+            .deletingLastPathComponent()
+        let resourcesURL = root.appendingPathComponent("Sources/CodexBar/Resources")
+        let catalogs = try FileManager.default.contentsOfDirectory(
+            at: resourcesURL,
+            includingPropertiesForKeys: nil)
+            .filter { $0.pathExtension == "lproj" }
+
+        for catalogURL in catalogs {
+            let stringsURL = catalogURL.appendingPathComponent("Localizable.strings")
+            let contents = try String(contentsOf: stringsURL, encoding: .utf8)
+            for key in self.languageKeys {
+                #expect(contents.contains("\"\(key)\""), "Missing \(key) in \(catalogURL.lastPathComponent)")
+            }
+        }
+    }
+
     @Test
     func `ukrainian localization bundle exists and contains key UI labels`() throws {
         let root = URL(fileURLWithPath: #filePath)