stability-score

One repeatable pass that keeps fak trustworthy while it iterates fast — the question no other scorecard asks: as we add items quickly, how do we KNOW a regression / tail-wag / confusion landed, and how do we REVERT to a stable version? Runs the stability scorecard (tools/stability_scorecard.py) over the git-tracked tree across four groups — sentinel (a regression turns a gate RED), invariant (the core assumptions…