- verifik.service.ts: email OTP auth, token storage/refresh, RETHUS query by professional - verifik.controller.ts: send-otp, confirm, refresh, rethus/professional/:id endpoints - settings/page.tsx: Verifik connection section (email→OTP→token) - professionals/[id]/page.tsx: Consultar RETHUS button with inline result display Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>