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**Last Updated:** 2025-12-13
**Status:** ✅ PRODUCTION LIVE - Cloud Deployment Active
## System Overview
WidgeTDC is an Enterprise-grade Autonomous Intelligence Platform featuring:
- **Semantic Vector Database** with multi-provider embeddings
- **Autonomous Task Engine** with learning loops
- **Distributed Event System** for scalability
- **Production-ready Infrastructure** with monitoring and logging
- **Modern Frontend** with React 19 and Tailwind CSS v4
---
## 🚀 Production Deployment (2025-12-13)
### Live URLs
| Service | Platform | URL |
|---------|----------|-----|
| **Frontend** | Vercel Edge | `https://matrix-frontend-claus-krafts-projects.vercel.app` |
| **Backend API** | HuggingFace Spaces | `https://kraft102-widgettdc-api.hf.space` |
### Cloud Infrastructure
```
┌─────────────────────────────────────────────────────────────────────────┐
│ PRODUCTION ARCHITECTURE │
│ "Headless Ghost" Pattern │
└─────────────────────────────────────────────────────────────────────────┘
Browser ──▶ Vercel CDN ──▶ HuggingFace Spaces ──▶ Cloud Databases
│ │ │
React 19 PWA Node.js 20 ┌────┴────┐
185 Widgets 63 MCP Tools │ Redis │
Zustand State Express API │ Neo4j │
│ Neon PG │
└─────────┘
```
### Database Layer
| Database | Provider | Purpose |
|----------|----------|---------|
| **Redis** | Redis Cloud (EU-North-1) | Cache, Sessions, Event Bus |
| **Neo4j** | AuraDB Cloud | Knowledge Graph (4274 nodes, 5252 rels) |
| **PostgreSQL** | Neon Serverless | Vector Store (pgvector), Prisma ORM |
| **SQLite** | sql.js (in-memory) | Fallback for HF Spaces free tier |
### AI/LLM Providers
| Provider | Use Case |
|----------|----------|
| Google Gemini Pro | Primary reasoning |
| OpenAI GPT-4 | Fallback, embeddings |
| Anthropic Claude | Analysis tasks |
| DeepSeek V3 | Code generation |
---
## Recent Updates (2025-12-13)
### ✅ HuggingFace Spaces Deployment Fixed
- **Dockerfile Optimized**: Skip Puppeteer Chromium download
- **Memory Limits**: Reduced to 512MB for free tier compatibility
- **package-lock.json**: Regenerated correct monorepo lockfile
- **Data Directories**: `/app/data/*` created with proper permissions
- **Environment Variables**: `HF_SPACE=true`, `DOCKER=true` set
### ✅ Frontend Widgets Fixed
- **Icon Imports**: Added missing `Target`, `Video` imports
- **DataSources**: Added `threatIntel` to SourceLink.tsx
- **useEffect Fix**: Removed undefined `width/height` from dependency array
- **185 Widgets**: All rendering correctly
### ✅ Previous Updates (2025-11-26)
- CSS Architecture rebuilt for Tailwind v4
- PowerShell scripts standardized (PSScriptAnalyzer compliant)
- Build system fully functional
---
## Architecture Diagram
```
┌─────────────────────────────────────────────────────────────────────────┐
│ FRONTEND (React 19) │
│ ┌──────────────┐ ┌──────────────┐ ┌──────────────┐ │
│ │ Widget Board │ │ MCP Client │ │ Dashboard │ │
│ └──────┬───────┘ └──────┬───────┘ └──────┬───────┘ │
│ │ │ │ │
│ └──────────────────┴──────────────────┘ │
│ │ WebSocket + REST API │
└────────────────────────────┼─────────────────────────────────────────────┘
│
┌────────────────────────────┼─────────────────────────────────────────────┐
│ BACKEND (Node.js + Express) │
│ ▼ │
│ ┌─────────────────────────────────────────────────────────────────┐ │
│ │ API LAYER │ │
│ │ ┌─────────┐ ┌─────────┐ ┌─────────┐ ┌─────────┐ │ │
│ │ │ MCP │ │ SRAG │ │ PAL │ │ AI │ ... │ │
│ │ │ Router │ │ API │ │ API │ │ Proxy │ │ │
│ │ └────┬────┘ └────┬────┘ └────┬────┘ └────┬────┘ │ │
│ │ │ │ │ │ │ │
│ └───────┼────────────┼────────────┼─────────────┼─────────────────┘ │
│ │ │ │ │ │
│ ┌───────┴────────────┴────────────┴─────────────┴─────────────────┐ │
│ │ COGNITIVE LAYER │ │
│ │ │ │
│ │ ┌──────────────────┐ ┌──────────────────┐ │ │
│ │ │ Autonomous Agent │ │ UnifiedGraphRAG │ │ │
│ │ │ ┌────────────┐ │ │ Multi-hop RAG │ │ │
│ │ │ │ Task Engine│ │ └────────┬─────────┘ │ │
│ │ │ │ & Learning │ │ │ │ │
│ │ │ └─────┬──────┘ │ │ │ │
│ │ └────────┼─────────┘ │ │ │
│ │ │ │ │ │
│ │ ┌────────┴───────────────────────┴──────────┐ │ │
│ │ │ Unified Memory System │ │ │
│ │ │ ┌──────────┐ ┌──────────┐ ┌──────────┐│ │ │
│ │ │ │ Working │ │ Episodic │ │Procedural││ │ │
│ │ │ │ Memory │ │ Memory │ │ Memory ││ │ │
│ │ │ └──────────┘ └──────────┘ └──────────┘│ │ │
│ │ └────────────────────┬───────────────────────┘ │ │
│ │ │ │ │
│ └───────────────────────┼─────────────────────────────────────────┘ │
│ │ │
│ ┌───────────────────────┴─────────────────────────────────────────┐ │
│ │ DATA & EMBEDDING LAYER │ │
│ │ │ │
│ │ ┌──────────────────────────────────────────────────────────┐ │ │
│ │ │ Embedding Service (Multi-Provider) │ │ │
│ │ │ ┌─────────┐ ┌────────────┐ ┌──────────────┐ │ │ │
│ │ │ │ OpenAI │ │HuggingFace │ │Transformers.js│ │ │ │
│ │ │ │ 1536D │ │ 768D │ │ 384D │ │ │ │
│ │ │ └────┬────┘ └─────┬──────┘ └──────┬───────┘ │ │ │
│ │ │ └─────────────┴────────────────┴─ Auto-select │ │ │
│ │ └───────────────────────┬──────────────────────────────────┘ │ │
│ │ │ Generate embeddings │ │
│ │ ┌───────────────────────▼──────────────────────────────────┐ │ │
│ │ │ PgVectorStoreAdapter (pgvector) │ │ │
│ │ │ • Auto-embedding generation │ │ │
│ │ │ • Semantic text search │ │ │
│ │ │ • Cosine similarity │ │ │
│ │ │ • Namespace isolation │ │ │
│ │ └───────────────────────┬──────────────────────────────────┘ │ │
│ │ │ │ │
│ └──────────────────────────┼───────────────────────────────────────┘ │
│ │ │
│ ┌──────────────────────────┴───────────────────────────────────────┐ │
│ │ EVENT & INTEGRATION LAYER │ │
│ │ │ │
│ │ ┌──────────────────┐ ┌──────────────────────────────────┐ │ │
│ │ │ Redis EventBus │◄───┤ Ingestion Pipeline │ │ │
│ │ │ (Production) │ │ • Data Sources (20+) │ │ │
│ │ │ OR │ │ • Browser History │ │ │
│ │ │ In-Memory │ │ • Email (Gmail, Outlook) │ │ │
│ │ │ (Development) │ │ • Cloud (Drive, OneDrive) │ │ │
│ │ └──────────────────┘ │ • Social (Twitter, LinkedIn) │ │ │
│ │ └──────────────────────────────────┘ │ │
│ └──────────────────────────────────────────────────────────────────┘ │
└────────────────────────────┬─────────────────────────────────────────────┘
│
┌────────────────────────────┼─────────────────────────────────────────────┐
│ PERSISTENCE LAYER │
│ ▼ │
│ ┌──────────────────┐ ┌──────────────────┐ ┌──────────────────┐ │
│ │ PostgreSQL │ │ Redis │ │ Neo4j │ │
│ │ + pgvector │ │ Event Store │ │ Knowledge Graph │ │
│ │ • Embeddings │ │ • Pub/Sub │ │ • Entities │ │
│ │ • Documents │ │ • Cache │ │ • Relations │ │
│ │ • Metadata │ │ • Sessions │ │ • Inference │ │
│ └──────────────────┘ └──────────────────┘ └──────────────────┘ │
└──────────────────────────────────────────────────────────────────────────┘
```
---
## Directory Structure
```
WidgeTDC/
├── apps/
│ ├── backend/ # Express.js backend
│ │ ├── src/
│ │ │ ├── mcp/ # MCP protocol implementation
│ │ │ ├── cognitive/ # AI agents & RAG
│ │ │ ├── memory/ # Memory systems
│ │ │ ├── ingestion/ # Data ingestion
│ │ │ └── api/ # REST endpoints
│ │ └── package.json
│ │
│ └── matrix-frontend/ # React 19 frontend ✅ BUILD FIXED
│ ├── src/
│ │ ├── components/ # React components
│ │ ├── widgets/ # Widget implementations
│ │ └── mcp/ # MCP client
│ ├── App.css # ✅ REBUILT - All keyframes fixed
│ ├── App.tsx
│ └── package.json
│
├── packages/
│ └── shared/ # Shared types & utilities
│ ├── types/
│ └── utils/
│
├── scripts/ # ✅ UPDATED - PowerShell scripts
│ ├── update_agent.ps1 # ✅ NEW - Agent updater
│ ├── update_agent_github.ps1 # ✅ NEW - GitHub workflow updater
│ ├── update_agent_readme.ps1 # ✅ NEW - README updater
│ ├── build-shared.ps1
│ ├── install-deepseek.ps1
│ ├── setup-enterprise.ps1
│ └── test_rag_flow.ps1
│
├── database/
│ ├── migrations/ # SQL migrations
│ └── schema.sql
│
├── .github/
│ └── workflows/ # GitHub Actions
│ ├── agent-*.yml # Agent workflows
│ └── ci.yml
│
├── docs/ # Documentation
├── tests/ # Test suites
└── dist/ # ✅ Build output (created successfully)
```
---
## Technology Stack
### Frontend
- **Framework**: React 19 (latest)
- **Build Tool**: Vite 6.4.1
- **Styling**: Tailwind CSS v4 (PostCSS)
- **State Management**: Zustand
- **Real-time**: WebSocket client
- **Testing**: Vitest + React Testing Library
### Backend
- **Runtime**: Node.js 20+
- **Framework**: Express.js
- **Language**: TypeScript (strict mode)
- **Real-time**: WebSocket (`ws` library)
- **MCP**: Custom implementation
### Database
- **Primary**: PostgreSQL 15+ with pgvector
- **Cache/Events**: Redis 7+
- **Graph**: Neo4j 5+ (optional)
- **Development**: SQLite (fallback)
### DevOps
- **Containerization**: Docker + Docker Compose
- **CI/CD**: GitHub Actions
- **Deployment**: Railway (configured)
- **Monitoring**: PM2 ecosystem
---
## Key Components
### 1. MCP (Model Context Protocol)
- **Location**: `apps/backend/src/mcp/`
- **Purpose**: Standardized AI agent communication
- **Features**:
- Tool registration and execution
- Resource management
- Event broadcasting
- WebSocket transport
### 2. UnifiedGraphRAG
- **Location**: `apps/backend/src/cognitive/UnifiedGraphRAG.ts`
- **Purpose**: Multi-hop semantic retrieval
- **Features**:
- Entity extraction
- Relation mapping
- Context-aware search
- Hybrid retrieval (vector + graph)
### 3. Autonomous Task Engine
- **Location**: `apps/backend/src/cognitive/AutonomousAgent.ts`
- **Purpose**: Self-directed task execution
- **Features**:
- Goal decomposition
- Learning from outcomes
- Dynamic replanning
- Memory integration
### 4. Widget System
- **Location**: `apps/matrix-frontend/src/widgets/`
- **Purpose**: Modular UI components
- **Features**:
- Dynamic loading
- MCP integration
- Drag-and-drop layout
- Settings persistence
---
## Build & Deployment Status
### ✅ Frontend Build
```bash
npm run build --prefix apps/matrix-frontend
# Status: ✅ SUCCESS (6.40s)
# Output: dist/ directory created
# Issues: None
```
### ✅ CSS Architecture
- **File**: `apps/matrix-frontend/App.css`
- **Status**: Completely rebuilt
- **Keyframes**: All properly structured
- **Tailwind**: v4 compatible (no @apply)
- **Animations**: All functional
### ✅ PowerShell Scripts
- **Location**: `scripts/`
- **Status**: PSScriptAnalyzer compliant
- **Issues**: None
---
## Configuration Files
### Build Configuration
- `vite.config.ts` - Vite build settings
- `tsconfig.json` - TypeScript compiler options
- `tailwind.config.js` - Tailwind CSS v4 config
- `postcss.config.js` - PostCSS plugins
### Runtime Configuration
- `ecosystem.config.js` - PM2 process management
- `docker-compose.yml` - Container orchestration
- `railway.json` - Railway deployment config
---
## Development Workflow
### Local Development
```bash
# Install dependencies
npm install
# Start backend
npm run dev:backend
# Start frontend (separate terminal)
npm run dev:frontend
# Run tests
npm test
```
### Production Build
```bash
# Build frontend
npm run build --prefix apps/matrix-frontend
# Build backend
npm run build --prefix apps/backend
# Start production server
npm start
```
---
## Security & Compliance
### Authentication
- JWT-based authentication
- Session management via Redis
- CORS configured for production
### Data Protection
- Encryption at rest (PostgreSQL)
- TLS for all network traffic
- Environment variable isolation
### Compliance
- GDPR-ready data handling
- Audit logging
- Data retention policies
---
## Monitoring & Observability
### Logging
- Structured JSON logs
- Log levels: ERROR, WARN, INFO, DEBUG
- Persistent storage in `logs/`
### Metrics
- PM2 monitoring
- Database connection pooling
- WebSocket connection tracking
### Health Checks
- `/health` endpoint
- Database connectivity
- Redis availability
- Memory usage
---
## Known Issues & Limitations
### ✅ Resolved
- ~~CSS build errors in App.css~~ **FIXED 2025-11-26**
- ~~PowerShell script warnings~~ **FIXED 2025-11-26**
- ~~Tailwind @apply compatibility~~ **FIXED 2025-11-26**
### Active
- None currently blocking
---
## Future Enhancements
### Planned Features
1. **Multi-tenant Support**: Workspace isolation
2. **Advanced Analytics**: Usage dashboards
3. **Plugin System**: Third-party widget support
4. **Mobile App**: React Native client
### Infrastructure
1. **Kubernetes**: Container orchestration
2. **Prometheus**: Metrics collection
3. **Grafana**: Visualization
4. **ELK Stack**: Log aggregation
---
## Contributing
See [CONTRIBUTING.md](./CONTRIBUTING.md) for development guidelines.
## License
See [LICENSE](./LICENSE) for details.
---
**Architecture maintained by**: WidgeTDC Development Team
**Last reviewed**: 2025-11-26
**Next review**: 2025-12-26
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