Replace OAuth 2.0 authorization code flow with Evotor's proprietary
webhook token delivery: POST /evotor/callback receives token server-to-server,
GET /evotor/link links it to the logged-in user's account.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
FastAPI + Jinja2 + MariaDB web application with registration,
login, profile, password reset, and email confirmation flows.
All UI in Russian. Styled with Evotor brand colors.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>