Series

Application Boundaries and Persistence

Clean diagrams eventually meet stored data, concurrent writes, and framework lifecycles. That is where mapping, reconstitution, and ownership stop being cosmetic decisions.

  1. A Hexagon Is Not a Directory Layout
  2. A Composition Root Makes Choices Visible
  3. A Repository Is a Domain Collection, Not an ORM Wrapper
  4. A Mapper Connects Two Honest Models
  5. Loading State Is Not Creating It Again
  1. A Version Column Is Not Concurrency Control