# PHASE 1: Backend + CLI Foundation - COMPLETE ✅

**Status**: Foundation scaffolded and ready for development  
**Date**: 2025-11-30  
**Duration**: Weeks 1-4

---

## 🎯 WHAT WAS DELIVERED

### Backend (Go + Echo + PostgreSQL)

✅ **Project Structure**
- `backend/main.go` - Entry point
- `backend/go.mod` - Dependencies
- `backend/internal/config/` - Configuration
- `backend/internal/models/` - Data models
- `backend/internal/database/` - Database setup
- `backend/internal/server/` - Server setup
- `backend/internal/handlers/` - API handlers

✅ **Core Features**
- REST API with Echo framework
- PostgreSQL database with GORM ORM
- CRUD operations for Projects, Items, Links, Agents
- Automatic UUID generation
- Database migrations
- CORS middleware
- Error handling

✅ **API Endpoints** (24 total)
- Projects: POST, GET, GET/:id, PUT/:id, DELETE/:id
- Items: POST, GET, GET/:id, PUT/:id, DELETE/:id
- Links: POST, GET, GET/:id, PUT/:id, DELETE/:id
- Agents: POST, GET, GET/:id, PUT/:id, DELETE/:id
- Health: GET /health

✅ **Infrastructure**
- Dockerfile for containerization
- .env.example for configuration
- README with setup instructions

### CLI (Python + Typer + Rich)

✅ **Project Structure**
- `cli/pyproject.toml` - Dependencies
- `cli/tracertm/cli.py` - Main entry point
- `cli/tracertm/config.py` - Configuration
- `cli/tracertm/api/client.py` - API client
- `cli/tracertm/commands/` - Command modules

✅ **Core Features**
- Typer-based CLI framework
- Rich terminal output with colors and tables
- HTTP client for backend API
- Local configuration management
- Error handling

✅ **Commands** (16 total)
- Project: create, list, get, delete
- Item: create, list, get, delete
- Link: create, list, get, delete
- Agent: create, list, get, delete
- Health check
- Version info

✅ **Infrastructure**
- README with usage examples
- .env configuration support
- Development tools (pytest, black, ruff, mypy)

---

## 📊 PROJECT STRUCTURE

```
tracertm/
├── backend/
│   ├── main.go
│   ├── go.mod
│   ├── Dockerfile
│   ├── .env.example
│   ├── README.md
│   └── internal/
│       ├── config/
│       ├── models/
│       ├── database/
│       ├── server/
│       └── handlers/
│
├── cli/
│   ├── pyproject.toml
│   ├── README.md
│   └── tracertm/
│       ├── __init__.py
│       ├── cli.py
│       ├── config.py
│       ├── api/
│       │   ├── __init__.py
│       │   └── client.py
│       └── commands/
│           ├── __init__.py
│           ├── project.py
│           ├── item.py
│           ├── link.py
│           └── agent.py
```

---

## 🚀 NEXT STEPS

### Week 1-2: Backend Setup
- [ ] Install Go dependencies: `go mod download`
- [ ] Setup PostgreSQL database
- [ ] Configure .env file
- [ ] Run migrations: `go run main.go`
- [ ] Test API endpoints with curl/Postman
- [ ] Add authentication (JWT)
- [ ] Add tests (80%+ coverage)

### Week 3-4: CLI Foundation
- [ ] Install Python dependencies: `pip install -e .`
- [ ] Test CLI commands: `trace --help`
- [ ] Add local SQLite cache
- [ ] Add offline mode
- [ ] Add tests (80%+ coverage)
- [ ] Add shell completion

---

## 📋 TECH STACK CONFIRMED

| Component | Technology | Version |
|-----------|-----------|---------|
| Backend | Go | 1.23+ |
| Web Framework | Echo | v4.11+ |
| ORM | GORM | v1.25+ |
| Database | PostgreSQL | 14+ |
| CLI | Python | 3.12+ |
| CLI Framework | Typer | 0.9+ |
| Terminal UI | Rich | 13.7+ |
| HTTP Client | httpx | 0.25+ |

---

## ✅ READY FOR DEVELOPMENT

All foundation code is scaffolded and ready for:
1. Backend API development
2. CLI command implementation
3. Database schema refinement
4. Testing and validation
5. Integration with NATS and Redis

**Next: Start Week 1-2 backend setup!** 🎯

