АРЧ - Усилить root-frame возврат, memory recap и colloquial provenance follow-up

llm_normalizer/backend/src/services/address_runtime/decomposeStage.ts

@@ -91,6 +91,12 @@ function hasSameDateHint(text: string): boolean {
   );
 }
 
+function hasSamePeriodHint(text: string): boolean {
+  return /(?:на\s+тот\s+же\s+период|за\s+тот\s+же\s+период|тот\s+же\s+период(?:\s+рассмотрения)?|на\s+этот\s+же\s+период|за\s+этот\s+же\s+период|аналогичн\w+\s+текущ\w+\s+период\w+|same\s+period|same\s+range|same\s+window)/iu.test(
+    String(text ?? "")
+  );
+}
+
 function hasExplicitPeriodLiteral(text: string): boolean {
   return /(?:^|[^\d*×xх])((?:19|20)\d{2}(?:[./-](?:0?[1-9]|1[0-2]))?)(?=$|[^\d*×xх])/iu.test(String(text ?? ""));
 }
@@ -487,10 +493,19 @@ function shouldRestoreInventoryRootFrame(
   const previousIntent = followupContext.previous_intent;
   const comingFromInventoryDrilldown =
     currentFrameKind === "inventory_drilldown" || isInventoryDrilldownFrameIntent(previousIntent);
-  if (!comingFromInventoryDrilldown) {
+  const normalized = String(userMessage ?? "");
+  const hasInventoryRootRestatementCue =
+    /(?:склад|остат(?:ок|ки)|позици(?:я|и|ю)|товар(?:ы|ов)?|номенклатур)/iu.test(normalized) &&
+    /(?:покажи|показать|выведи|раскрой|еще\s+раз|ещ[её]\s+раз|снова|опять|верни|вернись|повтори|тот\s+же|этот\s+же|same|again)/iu.test(
+      normalized
+    );
+  const canReenterInventoryRoot =
+    comingFromInventoryDrilldown ||
+    (currentFrameKind === "inventory_root" && hasSamePeriodHint(normalized)) ||
+    (currentFrameKind === "generic" && hasInventoryRootRestatementCue && hasSamePeriodHint(normalized));
+  if (!canReenterInventoryRoot) {
     return false;
   }
-  const normalized = String(userMessage ?? "");
   if (
     hasSelectedObjectInventorySignal(normalized) ||
     hasInventorySupplierFollowupCue(normalized) ||
@@ -508,6 +523,7 @@ function shouldRestoreInventoryRootFrame(
   const hasTemporalPatch =
     hasExplicitPeriodWindow(extractedFilters) ||
     Boolean(toNonEmptyString(extractedFilters.as_of_date)) ||
+    hasSamePeriodHint(normalized) ||
     hasExplicitPeriodLiteral(normalized) ||
     Boolean(resolveRelativeMonthPeriodFromInventoryRoot(normalized, followupContext));
   return hasTemporalPatch;
@@ -651,6 +667,7 @@ function mergeFollowupFilters(
   const relativeMonthFromInventoryRoot = resolveRelativeMonthPeriodFromInventoryRoot(userMessage, followupContext);
   const allTimeRequested = hasAllTimeHint(userMessage);
   const sameDateRequested = hasSameDateHint(userMessage);
+  const samePeriodRequested = hasSamePeriodHint(userMessage);
   if (!toNonEmptyString(merged.organization) && previousOrganization) {
     merged.organization = previousOrganization;
     reasons.push("organization_from_followup_context");
@@ -821,6 +838,24 @@ function mergeFollowupFilters(
         reasons.push("as_of_date_from_followup_context");
       }
     }
+    if (
+      samePeriodRequested &&
+      (intent === "inventory_on_hand_as_of_date" || intent === "inventory_supplier_stock_overlap_as_of_date")
+    ) {
+      if (previousPeriodFrom && merged.period_from !== previousPeriodFrom) {
+        merged.period_from = previousPeriodFrom;
+        reasons.push("period_from_from_followup_context");
+      }
+      if (previousPeriodTo && merged.period_to !== previousPeriodTo) {
+        merged.period_to = previousPeriodTo;
+        reasons.push("period_to_from_followup_context");
+      }
+      const inheritedAsOfDate = previousAsOfDate ?? previousPeriodTo ?? previousPeriodFrom;
+      if (inheritedAsOfDate && merged.as_of_date !== inheritedAsOfDate) {
+        merged.as_of_date = inheritedAsOfDate;
+        reasons.push("as_of_date_from_followup_context");
+      }
+    }
     if (
       !sameDateRequested &&
       (intent === "inventory_aging_by_purchase_date" || isInventoryLifecycleHistoryIntent(intent)) &&