Engineering notes & design decisions

Short essays on engineering decisions — what we chose, what we rejected, and why. Not a blog. Not marketing. Engineering thinking made public.

A quality-control pass for human- or AI-written code, with optional explanations and no source-code edits during analysis.

Phase 1 ships with no bulk delete. The reasons are technical, not just cautious.

Scan → classify → protect → review. The four-step model and why ordering matters.

When a tool can destroy things the user can't recover, the right default is always conservative.