Feat/romanian translation (#663)

* feat(i18n): Add Romanian translation

* feat(i18n): Update Romanian translation to lang file changes

* feat(i18n): Add new Romanian translation entries

* fix(i18n): add settings.languageRo to remaining locale bundles

Romanian was missing from the language picker labels when UI was not en/ro;
add endonym-style names per locale (de/fr/nl/nb/ru/es/zh) for consistency.

* fix(i18n): use Romanian autonym for settings.languageRo everywhere

Match existing language picker convention (e.g. languageDe is Deutsch in
every locale bundle). Replaces UI-language translations of Romanian.

src/components/settings/SystemTab.tsx

@@ -59,6 +59,7 @@ export function SystemTab() {
                 { value: 'nb', label: t('settings.languageNb') },
                 { value: 'ru', label: t('settings.languageRu') },
                 { value: 'zh', label: t('settings.languageZh') },
+                { value: 'ro', label: t('settings.languageRo') },
               ]}
             />
           </div>

src/i18n.ts

@@ -8,6 +8,7 @@ import { nbTranslation } from './locales/nb';
 import { ruTranslation } from './locales/ru';
 import { nlTranslation } from './locales/nl';
 import { esTranslation } from './locales/es';
+import { roTranslation } from './locales/ro';
 
 const savedLanguage = localStorage.getItem('psysonic_language') || 'en';
 
@@ -23,6 +24,7 @@ i18n
       zh: { translation: zhTranslation },
       nb: { translation: nbTranslation },
       ru: { translation: ruTranslation },
+      ro: { translation: roTranslation },
     },
     lng: savedLanguage,
     fallbackLng: 'en',

src/locales/de.ts

@@ -587,6 +587,7 @@ export const deTranslation = {
     languageNb: 'Norsk',
     languageRu: 'Русский',
     languageZh: '中文',
+    languageRo: 'Română',
     font: 'Schriftart',
     fontHintOpenDyslexic: 'Legasthenie-freundlich · keine Chinesisch-Unterstützung',
     theme: 'Design',

src/locales/en.ts

@@ -589,6 +589,7 @@ export const enTranslation = {
     languageNb: 'Norsk',
     languageRu: 'Русский',
     languageZh: '中文',
+    languageRo: 'Română',
     font: 'Font',
     fontHintOpenDyslexic: 'Dyslexia-friendly · no Chinese support',
     theme: 'Theme',

src/locales/es.ts

@@ -579,6 +579,7 @@ export const esTranslation = {
     languageNb: 'Norsk',
     languageRu: 'Русский',
     languageZh: '中文',
+    languageRo: 'Română',
     font: 'Fuente',
     fontHintOpenDyslexic: 'Compatible con dislexia · sin soporte para chino',
     theme: 'Tema',

src/locales/fr.ts

@@ -577,6 +577,7 @@ export const frTranslation = {
     languageNb: 'Norsk',
     languageRu: 'Русский',
     languageZh: '中文',
+    languageRo: 'Română',
     font: 'Police',
     fontHintOpenDyslexic: 'Adapté à la dyslexie · sans prise en charge du chinois',
     theme: 'Thème',

src/locales/nb.ts

@@ -577,6 +577,7 @@ export const nbTranslation = {
     languageNb: 'Norsk',
     languageRu: 'Русский',
     languageZh: '中文',
+    languageRo: 'Română',
     font: 'Skrifttype',
     fontHintOpenDyslexic: 'Dyslexivennlig · ingen kinesisk støtte',
     theme: 'Tema',

src/locales/nl.ts

@@ -576,6 +576,7 @@ export const nlTranslation = {
     languageNb: 'Norsk',
     languageRu: 'Русский',
     languageZh: '中文',
+    languageRo: 'Română',
     font: 'Lettertype',
     fontHintOpenDyslexic: 'Dyslexie-vriendelijk · geen Chinese ondersteuning',
     theme: 'Thema',

src/locales/ru.ts

@@ -610,6 +610,7 @@ export const ruTranslation = {
     languageNb: 'Norsk',
     languageRu: 'Русский',
     languageZh: '中文',
+    languageRo: 'Română',
     font: 'Шрифт',
     fontHintOpenDyslexic: 'Подходит для дислексии · без поддержки китайского',
     theme: 'Тема',

src/locales/zh.ts

@@ -571,6 +571,7 @@ export const zhTranslation = {
     languageNb: 'Norsk',
     languageRu: 'Русский',
     languageZh: '中文',
+    languageRo: 'Română',
     font: '字体',
     fontHintOpenDyslexic: '阅读障碍友好 · 不支持中文',
     theme: '主题',