first-tree-sync

Audit and repair drift between merged code and the Context Tree in both directions — tree→code (does code still support tree facts?) and code→tree (does the tree register everything code now contains?). Use when the tree may be stale, wrong, outdated, or missing coverage for recent code changes; after a large merge; before release; on a freshly onboarded tree; or when a GitHub notification was routed route=sync.…