Tidy

The judgment layer for workspace hygiene — resolves the loose ends the hygiene hook SURFACES with the reasoning a bash reconciler cannot do: branch-supersession triage (merged-equivalent-via-squash vs real-unmerged vs stale-divergent vs sibling-superseded), push/PR decisions, worktree-removal calls, and PR-state awareness. The on-demand judgment sibling of the always-on workspace-reconcile hook (which auto-cleans only the provably-safe and surfaces the rest). Verify-before-delete; reversible-only; propose-on-approval; never deletes unmerged work or a peer's worktree. Modes: <repo> (triage + propose + act on approval) | audit (read-only report) | apply.