Block a user
History page (filter resolved incidents)
Component status renderer (operational/degraded/outage/maintenance badges)
HTML template (Go text/template, embed Arcline CSS inline)
YAML config parser + validator
TOTP 2FA (optional, QR code enrollment)
Email-in (IMAP polling or inbound SMTP hook)
Frontend log table (virtual scroll for large logs)
Log file reader (tail -F equivalent in Go)
Rollback: keep last 3 deployments, one-click restore
Deploy log viewer (streaming via SSE)
Deploy: rsync to customer docroot via internal SSH
Build runner (sandboxed subprocess, timeout)
Webhook receiver (verify HMAC signature)