Update QUICKSTART - mark all phases complete

All phases are now complete:
- Phase 1: Foundation ✅
- Phase 2: Core Features ✅
- Phase 3: Full UI ✅

Documentation updated to reflect completion status.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

QUICKSTART.md

@@ -158,14 +158,18 @@ apac-ops-bot/
 
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-## Next Steps (Phase 2)
+## ✅ COMPLETE - All Features Implemented!
 
-Phase 1 Foundation is complete! Next phase will implement:
+**Phase 1:** ✅ Foundation (Backend + Frontend structure)
+**Phase 2:** ✅ Core Features (OpenAI + Auth + Chat)
+**Phase 3:** ✅ UI Complete (Sidebar + Analytics + Management)
 
-1. **OpenAI Integration** - Connect to Responses API with Vector Store
-2. **Authentication** - MSAL authentication flow
-3. **Chat Functionality** - Send/receive messages
-4. **Token Tracking** - Monitor OpenAI usage
+### What's Working:
+1. ✅ **OpenAI Integration** - Responses API with RAG enforcement
+2. ✅ **Authentication** - MSAL with JWT sessions
+3. ✅ **Chat Functionality** - Full conversation management
+4. ✅ **Token Tracking** - Complete analytics dashboard
+5. ✅ **UI Features** - Sidebar, navigation, conversation management
 
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