Building Bilingual React Apps: Arabic & English with RTL Support

TL;DR

Adding \dir="rtl"\ to your HTML tag gets you about 60% of the way to an Arabic-ready app and gives you a false sense of being done. The other 40% is layout that mirrors correctly, icons that flip, mixed Arabic-English text that doesn't shatter the line, fonts that load in Arabic without choking the page, and forms that handle numbers and punctuation sanely. The fix is to lean on CSS logical properties (\`ms-*\