- ✓ Tech Stack & Architecture Design (completed)
- ✓ Frontend & Backend Project Scaffold (completed)
- ✓ WebSocket + Heartbeat (completed)
- ✓ Room System (CRUD + Auto-destroy) (completed)
- ✓ E2EE Layer (AES-256-GCM) (completed)
- ✓ Real-time Chat UI (Full Features) (completed)
- ✓ Health Check Endpoint (completed)
- ✓ Vercel Frontend Deployment (completed)
- ✓ HF Spaces Backend Deployment (completed)
- ✓ WSS (TLS 1.3) E2E Verification (completed)
- ✓ Production Server Configuration (completed)
- ✓ Docker Image Optimization (< 30MB) (completed)
- ✓ Connection Status Banner (completed)
- ✓ Responsive / Mobile Adaptation (completed)
- ✓ Message Notifications (completed)
- ✓ PWA Support (completed)
- ✓ Emoji Picker (completed)
- ✓ Auto Link Detection (completed)
- ✓ Copy Message (completed)
- ✓ Message Time Grouping (completed)
- ✓ Send Message Animation (completed)
- ✓ Join / Leave Sound Effects (completed)
- ✓ Message Reply / Quote (completed)
- ✓ Message Reactions (completed)
- ✓ Encrypted File Sharing (completed)
- ✓ Room Password Protection (completed)
- ✓ Enhanced Ephemeral Mode (completed)
- ✓ Self-hosted One-click Script (completed)
- ✓ CLI Client (completed)
- ✓ Internationalization (i18n) (completed)
- ○ Embeddable SDK (not completed)
- ○ Browser Extension (not completed)
- ✓ Encrypted Typing Status (completed)
- ✓ Ed25519 Message Signing (completed)
- ✓ Canonical JSON Serialization (completed)
- ✓ Public Key Broadcast & TOFU Trust (completed)
- ✓ Signature Verification UI (completed)
- ✓ CLI Signing Integration (completed)
- ✓ Cross-client Interop Tests (completed)
- ✓ Push-to-Talk Recording (completed)
- ✓ Opus Encoding (completed)
- ✓ Full Blob Encryption (completed)
- ✓ Voice Bubble UI (completed)
- ✓ LRU Cache (completed)
- ✓ QR Code Sharing (completed)
- ✓ Room Link Expiry (completed)
- ✓ Expiry Countdown (completed)
- ✓ Server Pre-expiry Warning (completed)
- ✓ CLI Sync Support (completed)
- ✓ Project Website (GitHub Pages) (completed)
- ○ OpenClaw Channel Plugin (not completed)