tsa-refactor-queue

Build a top-N prioritized refactoring queue by intersecting three signals: health grade (which files are F/D), temporal churn (which files change most often), and dead-code density (which files carry the most unreachable symbols). For each candidate the queue surfaces (a) the dimension that dragged the grade down, (b) the target symbol, (c) blast radius from nav action=callers, and (d) a concrete action — split,…