- 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
- Remove insecure from_miniapp auth method (telegram_id spoofing vulnerability)
- Implement HMAC-SHA256 signed session tokens (replace weak Base64 encoding)
- Reduce token expiry from 7 days to 24 hours
- Restrict CORS to production domains only (telegram.pezkuwichain.io, t.me)
- Add detailed debug logging for troubleshooting