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Add Urdu (ur) to TRANSLATOR_LANGS so it appears in the Translate Text language list (inline TranslatorPopup and Settings → Translation). The list is not provider-gated, and Google/Azure/Yandex all translate to Urdu; Urdu is already in MIGHT_BE_RTL_LANGS so the translated output renders right-to-left. Closes #4721 Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>