# Master Implementation Checklist - All Phases

## Phase 1: AI Foundation (Weeks 1-2, 80 hours)

### Week 1: Embeddings & Vector Search
- [ ] Get VoyageAI API key
- [ ] Add environment variables
- [ ] Verify pgvector extension
- [ ] Verify embedding column
- [ ] Verify IVFFlat index
- [ ] Call reindex endpoint
- [ ] Monitor indexing progress
- [ ] Verify all items indexed
- [ ] Test full-text search
- [ ] Test vector search
- [ ] Test hybrid search
- [ ] Test fuzzy search
- [ ] Test phonetic search
- [ ] Verify response times <100ms
- [ ] Write integration tests

### Week 2: RAG & Function Calling
- [ ] Create RAG service
- [ ] Implement AnalyzeRequirement()
- [ ] Implement BuildContext()
- [ ] Implement GenerateAnalysis()
- [ ] Add prompt caching
- [ ] Create RAG handler
- [ ] Add POST /api/v1/rag/analyze
- [ ] Add POST /api/v1/rag/suggest-links
- [ ] Add POST /api/v1/rag/generate-tests
- [ ] Create tools definition
- [ ] Implement tool handlers
- [ ] Integrate with Claude API
- [ ] Test function calling
- [ ] Write unit tests
- [ ] Write integration tests

## Phase 2: Event Sourcing & CQRS (Weeks 3-4, 80 hours)

### Week 1: Event Sourcing
- [ ] Create event store
- [ ] Define event types
- [ ] Implement event persistence
- [ ] Create event handlers
- [ ] Implement event replay
- [ ] Add snapshots
- [ ] Test event store
- [ ] Test event handlers
- [ ] Test replay functionality
- [ ] Test snapshot creation
- [ ] Verify audit trail

### Week 2: CQRS Pattern
- [ ] Create read model
- [ ] Create read projections
- [ ] Implement projection handlers
- [ ] Create write model
- [ ] Implement commands
- [ ] Add command validation
- [ ] Integrate read/write models
- [ ] Update handlers to use CQRS
- [ ] Write integration tests
- [ ] Test consistency
- [ ] Performance testing

## Phase 3: Distributed Systems (Weeks 5-6, 80 hours)

### Week 1: Multi-Level Caching
- [ ] Create cache architecture
- [ ] Implement L1 (Redis)
- [ ] Implement L2 (In-memory)
- [ ] Implement L3 (Database)
- [ ] Create invalidation strategy
- [ ] Implement cache warming
- [ ] Add monitoring
- [ ] Write cache tests
- [ ] Test invalidation
- [ ] Performance testing
- [ ] Optimize hit rates

### Week 2: Distributed Tracing & CRDT
- [ ] Setup Jaeger integration
- [ ] Add OpenTelemetry instrumentation
- [ ] Trace HTTP requests
- [ ] Trace database queries
- [ ] Trace cache operations
- [ ] Create CRDT implementation
- [ ] Implement real-time sync
- [ ] Add conflict resolution
- [ ] Integrate with WebSocket
- [ ] Write integration tests
- [ ] Test offline scenarios

## Phase 4: Security & Zero Trust (Weeks 7-8, 80 hours)

### Week 1: Zero Trust Architecture
- [ ] Create device verification
- [ ] Implement device fingerprinting
- [ ] Add device registration
- [ ] Create context validation
- [ ] Implement risk assessment
- [ ] Add continuous authentication
- [ ] Write device verification tests
- [ ] Write context validation tests
- [ ] Test risk assessment
- [ ] Test continuous auth
- [ ] Verify security

### Week 2: ABAC & Encryption
- [ ] Create ABAC implementation
- [ ] Define attributes
- [ ] Implement policies
- [ ] Create encryption module
- [ ] Implement encryption at rest
- [ ] Implement encryption in transit
- [ ] Add key management
- [ ] Implement secrets management
- [ ] Add compliance logging
- [ ] Write integration tests
- [ ] Security audit

## Phase 5: Advanced AI & Agents (Weeks 9-10, 80 hours)

### Week 1: Agent Orchestration
- [ ] Create orchestrator
- [ ] Implement agent registry
- [ ] Add task distribution
- [ ] Implement result aggregation
- [ ] Define agent types
- [ ] Add coordination patterns
- [ ] Create task queue
- [ ] Implement task types
- [ ] Add performance optimization
- [ ] Write orchestrator tests
- [ ] Performance testing

### Week 2: GraphRAG & Fine-Tuning
- [ ] Create GraphRAG implementation
- [ ] Implement graph queries
- [ ] Add ranking
- [ ] Create fine-tuning module
- [ ] Collect training data
- [ ] Prepare datasets
- [ ] Fine-tune model
- [ ] Implement evaluation
- [ ] Add deployment
- [ ] Write integration tests
- [ ] Test accuracy

## Phase 6: Performance & Optimization (Weeks 11-12, 80 hours)

### Week 1: Database & API Optimization
- [ ] Create query optimizer
- [ ] Analyze slow queries
- [ ] Create missing indexes
- [ ] Optimize joins
- [ ] Add partitioning
- [ ] Create API optimizer
- [ ] Enable compression
- [ ] Add pagination
- [ ] Implement lazy loading
- [ ] Add batch operations
- [ ] Add rate limiting

### Week 2: FinOps & Monitoring
- [ ] Create cost tracker
- [ ] Track API costs
- [ ] Track database costs
- [ ] Track storage costs
- [ ] Create dashboards
- [ ] Implement metrics
- [ ] Add alerting
- [ ] Integrate cost tracking
- [ ] Setup dashboards
- [ ] Write tests
- [ ] Verify metrics

## Cross-Phase Tasks

- [ ] Update documentation
- [ ] Write API documentation
- [ ] Create deployment guide
- [ ] Setup CI/CD pipeline
- [ ] Configure monitoring
- [ ] Setup alerting
- [ ] Create runbooks
- [ ] Train team
- [ ] Plan rollout
- [ ] Setup support

## Testing & Quality

- [ ] Unit tests (all phases)
- [ ] Integration tests (all phases)
- [ ] Performance tests (all phases)
- [ ] Security tests (Phase 4)
- [ ] Load tests (Phase 6)
- [ ] Stress tests (Phase 6)
- [ ] Code review
- [ ] Security audit
- [ ] Performance audit
- [ ] Documentation review

## Deployment & Rollout

- [ ] Staging deployment
- [ ] Smoke tests
- [ ] Performance validation
- [ ] Security validation
- [ ] Production deployment
- [ ] Canary rollout
- [ ] Monitor metrics
- [ ] Gather feedback
- [ ] Iterate improvements
- [ ] Scale as needed

## Success Metrics

- [ ] Search latency <100ms
- [ ] RAG accuracy 90%+
- [ ] Query performance 10x
- [ ] Uptime 99.9%
- [ ] Cost <$100/month
- [ ] All tests passing
- [ ] Documentation complete
- [ ] Team trained
- [ ] Production ready

## Timeline

- Week 1-2: Phase 1 (AI Foundation)
- Week 3-4: Phase 2 (Event Sourcing)
- Week 5-6: Phase 3 (Distributed Systems)
- Week 7-8: Phase 4 (Security)
- Week 9-10: Phase 5 (Advanced AI)
- Week 11-12: Phase 6 (Optimization)

**Total: 12 weeks, 480 hours**

