feat(governance): trace km stale ratio rechecks

apps/web/messages/en.json

@@ -1925,11 +1925,20 @@
           "failed": "Archive action failed; refresh and verify the latest dedupe plan.",
           "requiresOwner": "Owner review required; backend rechecks the latest plan.",
           "result": "Archived {archived}; audit dispatch: {audit}",
+          "recheck": "Stale-ratio recheck: {status}; dispatch: {dispatch}",
+          "snapshot": "Current stale {stale} / total {total}; ratio {ratio}; threshold {threshold}",
           "statuses": {
             "dry_run": "Dry run complete",
             "archived": "Archived",
             "noop_already_archived": "Already archived",
             "unknown": "Status pending"
+          },
+          "recheckStatuses": {
+            "dry_run": "Dry run only",
+            "completed": "Completed",
+            "already_active": "Already active",
+            "not_requested": "Not requested",
+            "unknown": "Status pending"
           }
         },
         "statuses": {
@@ -1950,6 +1959,10 @@
           "waiting_owner_review": "Waiting owner review",
           "km_writeback_after_approval": "KM writeback after approval",
           "stale_ratio_recheck": "Stale-ratio recheck",
+          "owner_approved_duplicate_archive": "Owner approved duplicate archive",
+          "km_duplicate_archive_after_owner_approval": "Duplicate archive after owner review",
+          "km_governance_rechecked": "KM governance rechecked",
+          "km_governance_close_or_continue": "Close or continue governance",
           "needs_manual_km_triage": "Manual KM triage needed",
           "cancelled": "Cancelled",
           "queued_for_review": "Queued for governance review",

apps/web/messages/zh-TW.json

@@ -1926,11 +1926,20 @@
           "failed": "封存動作失敗；請重新整理後確認最新 dedupe plan。",
           "requiresOwner": "需要 owner 審核；後端會重新比對最新 plan。",
           "result": "已封存 {archived} 份；稽核 dispatch：{audit}",
+          "recheck": "Stale ratio 回測：{status}；dispatch：{dispatch}",
+          "snapshot": "目前 stale {stale} / total {total}；ratio {ratio}；門檻 {threshold}",
           "statuses": {
             "dry_run": "乾跑完成",
             "archived": "封存完成",
             "noop_already_archived": "已封存，無需重複處理",
             "unknown": "狀態待確認"
+          },
+          "recheckStatuses": {
+            "dry_run": "乾跑未排程",
+            "completed": "已完成回測",
+            "already_active": "已有活躍回測",
+            "not_requested": "尚未建立",
+            "unknown": "狀態待確認"
           }
         },
         "statuses": {
@@ -1951,6 +1960,10 @@
           "waiting_owner_review": "等待 owner 審核",
           "km_writeback_after_approval": "審核後寫回 KM",
           "stale_ratio_recheck": "回測 stale ratio",
+          "owner_approved_duplicate_archive": "Owner 已批准封存重複草稿",
+          "km_duplicate_archive_after_owner_approval": "Owner 審核後封存重複草稿",
+          "km_governance_rechecked": "KM 治理已回測",
+          "km_governance_close_or_continue": "關閉或繼續治理",
           "needs_manual_km_triage": "需要人工整理 KM",
           "cancelled": "已取消",
           "queued_for_review": "等待治理審核",

apps/web/src/app/[locale]/awooop/work-items/page.tsx

@@ -290,6 +290,19 @@ type KnowledgeReviewDraftArchiveResponse = {
   writes_km: boolean;
   writes_governance_audit: boolean;
   audit_dispatch_id?: string | null;
+  stale_ratio_snapshot?: {
+    stale_count: number;
+    total_count: number;
+    stale_ratio: number;
+    threshold: number;
+    stale_days: number;
+  } | null;
+  stale_ratio_recheck_status:
+    | "dry_run"
+    | "completed"
+    | "already_active"
+    | "not_requested";
+  stale_ratio_recheck_dispatch_id?: string | null;
   next_action: string;
   generated_at?: string | null;
 };
@@ -666,6 +679,10 @@ function governanceKmStageKey(stage?: string | null) {
     stage === "waiting_owner_review" ||
     stage === "km_writeback_after_approval" ||
     stage === "stale_ratio_recheck" ||
+    stage === "owner_approved_duplicate_archive" ||
+    stage === "km_duplicate_archive_after_owner_approval" ||
+    stage === "km_governance_rechecked" ||
+    stage === "km_governance_close_or_continue" ||
     stage === "needs_manual_km_triage" ||
     stage === "cancelled" ||
     stage === "queued_for_review" ||
@@ -771,6 +788,18 @@ function groupArchiveStatusKey(status?: string | null) {
   return "unknown";
 }
 
+function staleRatioRecheckStatusKey(status?: string | null) {
+  if (
+    status === "dry_run" ||
+    status === "completed" ||
+    status === "already_active" ||
+    status === "not_requested"
+  ) {
+    return status;
+  }
+  return "unknown";
+}
+
 function buildWorkItems(
   telemetry: Telemetry,
   t: ReturnType<typeof useTranslations>
@@ -1717,6 +1746,26 @@ function KnowledgeGovernancePanel({
                           audit: archiveAction.result.audit_dispatch_id ?? "--",
                         })}
                       </p>
+                      <p className="mt-1 text-[#5f5b52]">
+                        {t("archiveActions.recheck", {
+                          status: t(
+                            `archiveActions.recheckStatuses.${staleRatioRecheckStatusKey(
+                              archiveAction.result.stale_ratio_recheck_status
+                            )}` as never
+                          ),
+                          dispatch: archiveAction.result.stale_ratio_recheck_dispatch_id ?? "--",
+                        })}
+                      </p>
+                      {archiveAction.result.stale_ratio_snapshot ? (
+                        <p className="mt-1 text-[#5f5b52]">
+                          {t("archiveActions.snapshot", {
+                            stale: archiveAction.result.stale_ratio_snapshot.stale_count,
+                            total: archiveAction.result.stale_ratio_snapshot.total_count,
+                            ratio: archiveAction.result.stale_ratio_snapshot.stale_ratio,
+                            threshold: archiveAction.result.stale_ratio_snapshot.threshold,
+                          })}
+                        </p>
+                      ) : null}
                     </div>
                   ) : null}
                 </div>