From "Who Wrote This?" to "Provenance, Actioned": Making AI-origin code obvious during review

TL;DR: The most useful provenance is actionable provenance. Instead of storing prompts like a dusty audit log, surface them where decision-makers work: the code review. Recent UX and correlation work in LineageLens — sidebar captures, drag/drop, click-to-insert, and a confidence engine — demonstrate how provenance can shorten review cycles and reduce reverts. The problem (why it matters) By 2026, AI is a first-class development tool. Good suggestions become accepted edits, then commits. When rev...