{"ok":true,"data":{"service":"arc-email-worker","version":"0.1.0","description":"Email infrastructure for Arc — receive, store, and send email","endpoints":{"GET /api/health":"Health check (public)","GET /api/messages":"List messages (requires X-Admin-Key)","GET /api/messages/:id":"Get single message (requires X-Admin-Key)","POST /api/messages/:id/read":"Mark as read (requires X-Admin-Key)","POST /api/send":"Send an email (requires X-Admin-Key)","GET /api/stats":"Email statistics (requires X-Admin-Key)"}}}