Архитектура: централизовать inventory root-frame state и root-scoped carryover в continuity policy

llm_normalizer/backend/tests/assistantContinuityPolicy.test.ts

@@ -1,5 +1,7 @@
 import { describe, expect, it } from "vitest";
 import {
+  buildRootScopedCarryoverFilters,
+  hydrateInventoryRootFrameState,
   readAddressDebugTemporalScope,
   resolveAddressDebugCarryoverFilters,
   resolveAddressDebugContextFacts,
@@ -133,4 +135,68 @@ describe("assistantContinuityPolicy organization authority", () => {
       period_to: "2021-03-31"
     });
   });
+
+  it("hydrates inventory root-frame state from navigation scope and preserves derived current frame kind", () => {
+    const state = hydrateInventoryRootFrameState(
+      {
+        intent: "inventory_on_hand_as_of_date",
+        filters: {
+          warehouse: "Main Warehouse"
+        },
+        anchorType: "organization",
+        anchorValue: "Org Alt",
+        currentFrameKind: null
+      },
+      "inventory_purchase_documents_for_item",
+      "Org Alt",
+      {
+        as_of_date: "2021-03-31",
+        period_from: "2021-03-01",
+        period_to: "2021-03-31"
+      },
+      undefined,
+      (intent) => String(intent ?? "") === "inventory_purchase_documents_for_item",
+      (intent) => String(intent ?? "") === "inventory_on_hand_as_of_date"
+    );
+
+    expect(state.currentFrameKind).toBe("inventory_drilldown");
+    expect(state.inventoryRootFrame).toMatchObject({
+      currentFrameKind: "inventory_drilldown",
+      filters: {
+        organization: "Org Alt",
+        warehouse: "Main Warehouse",
+        as_of_date: "2021-03-31",
+        period_from: "2021-03-01",
+        period_to: "2021-03-31"
+      }
+    });
+  });
+
+  it("builds root-scoped carryover filters with previous date precedence over inventory root frame", () => {
+    const filters = buildRootScopedCarryoverFilters(
+      {
+        organization: "Org Alt",
+        as_of_date: "2020-03-31",
+        period_from: "2020-03-01",
+        period_to: "2020-03-31"
+      },
+      {
+        filters: {
+          organization: "Org Alt",
+          warehouse: "Main Warehouse",
+          as_of_date: "2021-03-31",
+          period_from: "2021-03-01",
+          period_to: "2021-03-31"
+        }
+      }
+    );
+
+    expect(filters).toEqual({
+      organization: "Org Alt",
+      warehouse: "Main Warehouse",
+      as_of_date: "2020-03-31",
+      period_from: "2020-03-01",
+      period_to: "2020-03-31"
+    });
+  });
 });

llm_normalizer/backend/tests/assistantTransitionPolicy.test.ts

@@ -1,6 +1,6 @@
 import { describe, expect, it } from "vitest";
 import { createAssistantTransitionPolicy } from "../src/services/assistantTransitionPolicy";
-import { buildRootScopedCarryoverFiltersForTests } from "../src/services/assistantService";
+import { buildRootScopedCarryoverFilters } from "../src/services/assistantContinuityPolicy";
 
 function toNonEmptyString(value: unknown): string | null {
   if (value === null || value === undefined) {
@@ -661,7 +661,7 @@ describe("assistantTransitionPolicy", () => {
   });
 
   it("prefers the freshest previous date scope over a stale inventory root frame during same-date pivot", () => {
-    const filters = buildRootScopedCarryoverFiltersForTests(
+    const filters = buildRootScopedCarryoverFilters(
       {
         organization: 'ООО "Альтернатива Плюс"',
         as_of_date: "2020-03-31",