Records the #127 review outcome (filler blocker + undefined token), pre-merge fixes (c4190e3a), maina8dd88ef, baselines (368/493+1skip/63 web), and new lessons (fixture-vs-actual-query fidelity, pure setState updaters, responsive collapse, visible deferrals, honest tests). Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>