feat: Rename to Toju and add translation

toju-app/src/app/core/i18n/app-i18n.service.spec.ts

@@ -0,0 +1,40 @@
+import { createEnvironmentInjector } from '@angular/core';
+import { TranslateService, provideTranslateService } from '@ngx-translate/core';
+
+import { AppI18nService } from './app-i18n.service';
+
+describe('AppI18nService', () => {
+  let injector: ReturnType<typeof createEnvironmentInjector>;
+  let service: AppI18nService;
+  let translate: TranslateService;
+
+  beforeEach(() => {
+    injector = createEnvironmentInjector([
+      provideTranslateService({
+        fallbackLang: 'en',
+        lang: 'en'
+      }),
+      AppI18nService
+    ]);
+
+    service = injector.get(AppI18nService);
+    translate = injector.get(TranslateService);
+  });
+
+  afterEach(() => {
+    injector.destroy();
+  });
+
+  it('loads bundled English translations on initialize', () => {
+    service.initialize();
+
+    expect(translate.getCurrentLang()).toBe('en');
+    expect(translate.instant('common.brand')).toBe('Toju');
+  });
+
+  it('falls back to English for unsupported locale requests', () => {
+    service.initialize('fr');
+
+    expect(translate.getCurrentLang()).toBe('en');
+  });
+});