⚠️ Domain Configuration Required
"Bot domain invalid" error detected.
Telegram Login Widget requires domain authorization in BotFather:
- Open @BotFather on Telegram
- Send:
/mybots
- Select your bot
- Choose "Bot Settings" → "Domain"
- Add your domain (for localhost testing, you may need to use ngrok or similar)
Note: For localhost development, consider using ngrok to create a public tunnel.