- Add telegram.pezkiwi.app to CORS allowed origins in all edge functions
- Support multiple bot tokens (TELEGRAM_BOT_TOKEN, TELEGRAM_BOT_TOKEN_KRD) in auth
- Dynamic origin matching for proper CORS headers
- Add announcement-reaction Edge Function for secure like/dislike
- Update telegram-auth to sync users to tg_users table
- Update useAnnouncementReaction hook to use Edge Function
- Add bridge announcement script and migration