Wire Persian into Telegram OSINT translate labels and locale docs.

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/src/components/MaplibreViewer/popups/TelegramOsintPopup.tsx

@@ -83,6 +83,7 @@ function sourceLangLabel(post: TelegramOsintPost): string {
     ru: 'Russian',
     en: 'English',
     ar: 'Arabic',
+    fa: 'Persian',
     he: 'Hebrew',
     'zh-cn': 'Chinese',
     fr: 'French',

frontend/src/i18n/index.tsx

@@ -24,7 +24,12 @@ const RTL_LOCALES: ReadonlySet<Locale> = new Set(['fa']);
  *   2. Import it above and add to `translations` below
  *   3. Add an entry here
  *   4. Extend the `Locale` type
- *   5. Read CONTRIBUTING.md — translations must be technically faithful
+ *   5. If the language is RTL, add its code to `RTL_LOCALES`
+ *   6. Map the locale in `backend/services/telegram_translate.py`
+ *      (`_LOCALE_TO_GOOGLE` + `_SOURCE_LANG_LABELS`) and the fallback
+ *      labels in `TelegramOsintPopup.tsx` so Telegram OSINT posts
+ *      translate into the UI language
+ *   7. Read CONTRIBUTING.md — translations must be technically faithful
  *      to the English source. Politically loaded substitutions or
  *      framing aligned with state propaganda from ANY country will
  *      be rejected.

frontend/src/i18n/translations/fa.json

@@ -1,6 +1,6 @@
 {
   "brand": {
-    "title": "S H A D O W B R O K E R",
+    "title": "S H A D O W  B R O K E R",
     "subtitle": "رهگیری تهدیدات جهانی",
     "systemMetrics": "OPTIC VIS:113 SRC:180 DENS:1.42 0.8ms"
   },