chore: add test to check locale message keys consistency (#329)

frontend/messages/ja.json

@@ -15,7 +15,6 @@
     "skipped": "スキップ"
   },
   "Priority": {
-    "priority": "優先度",
     "critical": "致",
     "high": "高",
     "medium": "中",
@@ -136,6 +135,14 @@
     "current_password_incorrect": "現在のパスワードが正しくありません",
     "update_error": "更新に失敗しました"
   },
+  "Health": {
+    "health_check": "ヘルスチェック",
+    "status": "ステータス",
+    "ok": "正常",
+    "error": "エラー",
+    "api_server": "APIサーバー",
+    "unittcms_version": "UnitTCMS バージョン"
+  },
   "Admin": {
     "user_management": "ユーザー管理",
     "avatar": "アバター",
@@ -154,14 +161,6 @@
     "lost_admin_auth": "管理者権限を失いました",
     "at_least": "最低1人以上の管理者が必要です。"
   },
-  "Health": {
-    "health_check": "ヘルスチェック",
-    "status": "ステータス",
-    "ok": "正常",
-    "error": "エラー",
-    "api_server": "APIサーバー",
-    "unittcms_version": "UnitTCMS バージョン"
-  },
   "Projects": {
     "project_list": "プロジェクト一覧",
     "new_project": "新規プロジェクト",
@@ -314,8 +313,8 @@
     "refresh": "再読み込み",
     "id": "ID",
     "title": "タイトル",
-    "description": "詳細",
     "please_enter": "タイトルを入力してください",
+    "description": "詳細",
     "priority": "優先度",
     "status": "ステータス",
     "actions": "アクション",

frontend/messages/strings.test.ts

@@ -0,0 +1,33 @@
+import { describe, it, expect } from 'vitest';
+import en from './en.json';
+import ja from './ja.json';
+import ptBR from './pt-BR.json';
+
+function getAllKeys(obj: unknown, prefix = ''): string[] {
+  if (typeof obj !== 'object' || obj === null) return [];
+  return Object.entries(obj as Record<string, unknown>).flatMap(([key, value]) => {
+    const fullKey = prefix ? `${prefix}.${key}` : key;
+    if (value && typeof value === 'object' && !Array.isArray(value)) {
+      return getAllKeys(value, fullKey);
+    }
+    return [fullKey];
+  });
+}
+
+describe('Locale message keys consistency', () => {
+  const locales = [
+    { name: 'en', data: en },
+    { name: 'ja', data: ja },
+    { name: 'pt-BR', data: ptBR },
+  ];
+
+  const base = locales[0];
+  const baseKeys = getAllKeys(base.data);
+
+  for (const locale of locales.slice(1)) {
+    it(`should have the same keys as ${base.name} in ${locale.name}`, () => {
+      const localeKeys = getAllKeys(locale.data);
+      expect(localeKeys).toEqual(baseKeys);
+    });
+  }
+});