Product Engineering
Interfaces, product decisions, and software built around real use.
04.1 / Blog
Notes from the work.
Source-backed notes on product engineering, AI systems, platform engineering, and engineering practice.
RSS feedPublication status
The publishing system is ready. The first article is not public yet.
Articles appear here only after their writing, author, dates, and sources have been reviewed. Until then, the index stays intentionally empty.
Publication requirements
- 01A named, verified author
- 02A reviewed and substantive manuscript
- 03Inspectable sources for factual claims
- 04Publication and update history
Editorial scope
Four areas, one standard: make the reasoning reusable.
AI Systems
Agents, evaluation, evidence, guardrails, and human control.
Platform Engineering
Architecture, modernization, ownership, and operational boundaries.
Engineering Practice
Reviewable decisions, reusable learning, and delivery evidence.