Series: Building EDIFlow - A Clean Architecture Journey in TypeScript (Part 5/6) Reading Time: ~8 minutes Recap — Where We Left Off In Part 4 , we implemented the Infrastructure Layer — EDIFACT/X12 parsers, builders, validators, the file-based repository, and 13 data packages with 126–319 message definitions each. Now it's time for the outermost layer — the Presentation Layer. In EDIFlow, that's a CLI. But the patterns apply equally to a REST API, a web UI, or any other entry point. ┌─────────────────────────────────────────────┐ │ 🔥 PRESENTATION (CLI) │ ← You are here │ Commands · DI Container · Output │ │ ┌───────────────────────────────────────┐ │ │ │ Infrastructure (Parsers, Repos) │ │ │ │ ┌─────────────────────────────────┐ │ │ │ │ │ Application (Use Cases, Ports) │ │ │ │ │ │ ┌───────────────────────────┐ │ │ │ │ │ │ │ Domain (Entities) │ │ │ │ │ │ │ └───────────────────────────┘ │ │ │ │ │ └─────────────────────────────────┘ │ │ │ └───────────────────────────────────────┘ │…