docs(plugins): plugin-email records identity mail on sys_identity_email

Claude-Session: https://claude.ai/code/session_016CvQEdxxYYVa8C8AjKZBtL
Co-authored-by: Claude <noreply@anthropic.com>

Author: claude

content/docs/plugins/packages.mdx

@@ -438,7 +438,7 @@ metadata it names.
 
 **Email Plugin** — Outbound email channel and templates.
 
-- **Features**: Provider transports (Postmark, Resend), a minimal mustache-style `{{placeholder}}` template renderer, delivery tracking on `sys_email`
+- **Features**: Provider transports (Postmark, Resend), a minimal mustache-style `{{placeholder}}` template renderer, delivery tracking on `sys_email` (identity mail — verification, password reset, sign-in links — on its deployment-level sibling `sys_identity_email`)
 - **When to use**: Transactional and workflow-driven email
 
 ### @objectstack/plugin-webhooks