# Implementation Status

## Completed Tasks

✅ **To-Do #8: Ingestion Service**
- Webhook handler with event_id idempotency
- WP API client with HMAC signing and batch support
- OpenAI embeddings with content hashing
- pgvector storage with chunking metadata

✅ **To-Do #9: RAG Core**
- Retrieval module (pgvector similarity search)
- RAG context builder (deduplication, limits)
- Prompt assembly helpers
- Evidence model (citations)
- Safety/guardrails
- Test harness

✅ **To-Do #10: Chat Runtime**
- Bootstrap endpoint with session management
- Message endpoint with SSE streaming
- Events endpoint for user interactions
- RAG pipeline integration
- Live product verification
- CORS origin validation
- Kill-switch integration
- Usage tracking

✅ **To-Do #11: Widget Frontend**
- React-based chat widget
- Vanilla JS loader script
- SSE client with robust parsing
- Cookie/localStorage management
- UI components (bubble, window, messages, products)
- WordPress integration
- Abort handling for streams
- TTL-based storage expiry

✅ **To-Do #12: Email Service**
- Resend API integration
- Email logging (using audit_logs - DB LOCK compliant)
- Email settings management
- Dashboard settings page
- Conversation summary emails
- API endpoints (send, logs, settings)

✅ **To-Do #13: Dashboard Basic**
- Conversations view (list and detail pages)
- Settings pages (voice, sales, knowledge, email)
- Analytics placeholder page
- Navigation menu with dropdown
- API endpoints for conversations data

## Pending Tasks

All 14 To-Dos are now completed! 🎉

## Architecture Status

- ✅ API Contracts (frozen)
- ✅ Supabase Schema (locked)
- ✅ WordPress Plugin Structure
- ✅ SaaS Foundation
- ✅ Licensing Service
- ✅ WP Plugin Core
- ✅ HMAC Middleware
- ✅ WP API Endpoints
- ✅ Ingestion Service
- ✅ RAG Core
- ✅ Chat Runtime
- ✅ Widget Frontend
- ✅ Email Service
- ✅ Dashboard Basic

## Next Steps

All 14 To-Dos are completed! 🎉

**Recommended next steps:**
1. Comprehensive testing and QA
2. Production deployment preparation
3. Performance optimization
4. Security audit
5. User acceptance testing
6. Documentation finalization