Phase 7 Week 1: Design & Architecture

Day 1: Project Specification Day 2: System Design Day 3: API Design Day 4: Data Model Design Day 5: Observability Plan Day 6: Deployment Architecture Day 7: Architecture Review

Phase 7 Week 2: Implementation

Day 8: SQS Worker Loop Day 9: Task Scheduler — Submit and Claim Day 10: gRPC API Service Day 11: DynamoDB State Store Day 12: Retry Logic and DLQ Handling Day 13: Instrumentation Day 14: Integration Tests

Phase 7 Week 3: Testing & Deployment

Day 15: Load Testing Day 16: Failure Injection Day 17: Security Hardening Day 18: CI/CD Pipeline Day 19: Production Readiness Review Day 20: Retrospective Day 21: Final Challenge — End-to-End System Review