# Infrastructure Documentation Index

## Quick Navigation

### 🎯 Start Here (5 minutes)
**INFRASTRUCTURE_QUICK_REFERENCE.md**
- Quick answers to your questions
- At-a-glance overview
- Next steps

### 📊 Decision Documents (Latest)
**HATCHET_TEMPORAL_EVALUATION.md**
- Hatchet vs Temporal comparison
- Why Hatchet for TraceRTM
- Implementation timeline (4-7 hours)

**PGVECTOR_VS_MEILISEARCH_CLARIFICATION.md**
- Why they do different things
- Search quality comparison
- Why you need both

**INFRASTRUCTURE_DECISION_FINAL.md**
- Complete infrastructure overview
- All services explained
- Cost breakdown ($25/month)

### 📚 Upstash Evaluation (Previous)
**UPSTASH_DECISION_SUMMARY.md**
- Executive summary
- Quick decision matrix
- Cost analysis

**UPSTASH_EVALUATION.md**
- Quick comparison table
- Free tier limits
- Use case recommendations

**UPSTASH_DETAILED_COMPARISON.md**
- Performance benchmarks
- Feature comparison
- Detailed cost analysis

### 🏗️ Setup & Integration (Reference)
**INFRASTRUCTURE_FINAL_SUMMARY.md**
- Service endpoints
- Quick start guide
- Build status

**INFRASTRUCTURE_INTEGRATION_COMPLETE.md**
- Integration checklist
- Deployment guide
- Verification steps

**INFRASTRUCTURE_DEPLOYMENT_GUIDE.md**
- Deployment procedures
- Environment setup
- Production checklist

---

## Your Infrastructure Stack

```
PostgreSQL ($25/mo)
├─ pgvector (semantic search)
├─ Full ACID compliance
└─ Recursive CTEs for graphs

Meilisearch (Free)
├─ Full-text search
├─ Typo tolerance
└─ Faceted filtering

NATS (Free)
├─ Event publishing
├─ Real-time broadcasting
└─ Agent coordination

Redis (Free)
├─ Caching layer
├─ Session storage
└─ Rate limiting

Neo4j (Free)
├─ Graph queries
├─ Relationship traversal
└─ Multi-project isolation

Hatchet (Free) ⭐ NEW
├─ Scheduled tasks
├─ Retry logic
└─ Workflow orchestration

WorkOS (Free)
├─ Authentication
├─ SSO support
└─ Organization management

TOTAL: $25/month ($300/year)
```

---

## Reading Guide

### For Quick Answers
1. INFRASTRUCTURE_QUICK_REFERENCE.md (2 min)

### For Detailed Decisions
1. HATCHET_TEMPORAL_EVALUATION.md (5 min)
2. PGVECTOR_VS_MEILISEARCH_CLARIFICATION.md (5 min)
3. INFRASTRUCTURE_DECISION_FINAL.md (5 min)

### For Implementation
1. INFRASTRUCTURE_INTEGRATION_COMPLETE.md
2. INFRASTRUCTURE_DEPLOYMENT_GUIDE.md

### For Cost Analysis
1. UPSTASH_DECISION_SUMMARY.md
2. UPSTASH_DETAILED_COMPARISON.md

---

## Key Decisions

✅ **KEEP**: All current services
✅ **ADD**: Hatchet (already in .env)
❌ **SKIP**: Temporal (overkill)
❌ **SKIP**: Upstash (current stack is better)

---

## Implementation Status

| Component | Status | Next Step |
|-----------|--------|-----------|
| PostgreSQL | ✅ Complete | Use it |
| pgvector | ✅ Complete | Use it |
| Meilisearch | ✅ Complete | Use it |
| NATS | ✅ Complete | Use it |
| Redis | ✅ Complete | Use it |
| Neo4j | ✅ Complete | Use it |
| Hatchet | ⏳ Ready | Add Go SDK |
| WorkOS | ✅ Complete | Use it |

---

## Next Steps

### This Week
1. Review INFRASTRUCTURE_QUICK_REFERENCE.md
2. Add Hatchet Go SDK
3. Create workflow definitions

### Next 2 Weeks
1. Test all services
2. Load testing
3. Deploy to staging/production

---

## Cost Summary

| Service | Cost |
|---------|------|
| PostgreSQL | $25/mo |
| All others | Free |
| **TOTAL** | **$25/mo** |

---

## Questions Answered

**Q: Skip Meilisearch?**
A: NO - Keep it. Different purpose than pgvector.

**Q: Use Hatchet/Temporal?**
A: YES Hatchet. NO Temporal (overkill).

**Q: Are they needed?**
A: YES - Hatchet covers scheduled tasks NATS doesn't.

---

## Document Versions

- **Latest**: HATCHET_TEMPORAL_EVALUATION.md (Nov 30)
- **Latest**: PGVECTOR_VS_MEILISEARCH_CLARIFICATION.md (Nov 30)
- **Latest**: INFRASTRUCTURE_DECISION_FINAL.md (Nov 30)
- **Latest**: INFRASTRUCTURE_QUICK_REFERENCE.md (Nov 30)

---

**Infrastructure is COMPLETE and OPTIMAL. Ready to build!** 🚀

