- AdminController: Detect existing SSL certificates from /etc/letsencrypt
and update database status automatically (fixes status showing "none"
when cert was obtained via cloud-init)
- docker-compose.prod.yml: Mount /etc/letsencrypt to backend container
- cloud-init: Auto-generate .env with secure random secrets on first boot
(DB_PASSWORD, JWT_SECRET, REDIS_PASSWORD, OME_API_TOKEN, NAKAMA keys)
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
