{"service":"Messaging WebSocket Service","version":"1.0.0","status":"running","environment":"production","security":{"authentication":"JWT (Better Auth)","encryption":"AES-256-GCM (per-user keys)","keyManagement":"MASTER_KEK wrapping","transport":"TLS/WSS","rateLimiting":"enabled","cors":"strict whitelist"},"features":["Real-time messaging (WebSocket)","User presence tracking","Typing indicators","Per-user AES-256-GCM encryption","Encrypted media on Cloudflare R2","Redis pub/sub","JWT authentication","Rate limiting","XSS protection","Input sanitization"]}