Mar 12, 2026
From PRD to schema: the missing middle
Why most AI dev tools skip the hardest part of software design.
Journal
Thoughts on spec-driven engineering.
Feb 27, 2026
Designing API contracts with traceability
How to keep stakeholder context attached to every endpoint.
Jan 30, 2026
Rules, invariants, and the sanity layer
The business logic checklist that saves you from late-stage churn.