Архитектура: централизовать organization carryover precedence в continuity policy и transition glue

llm_normalizer/backend/tests/assistantContinuityPolicy.test.ts

@@ -1,5 +1,6 @@
 import { describe, expect, it } from "vitest";
 import {
+  applyOrganizationCarryoverFilters,
   applyTemporalCarryoverFilters,
   buildRootScopedCarryoverFilters,
   hydrateInventoryRootFrameState,
@@ -248,4 +249,36 @@ describe("assistantContinuityPolicy organization authority", () => {
       organization: "Org Alt"
     });
   });
+
+  it("applies organization carryover precedence from historical to shared authority to navigation and clarification", () => {
+    const filters = applyOrganizationCarryoverFilters(
+      {},
+      null,
+      "Org Authority",
+      "Org Continuity",
+      "Org Navigation",
+      "Org Clarification"
+    );
+
+    expect(filters).toEqual({
+      organization: "Org Authority"
+    });
+  });
+
+  it("keeps existing organization and does not overwrite it during organization carryover backfill", () => {
+    const filters = applyOrganizationCarryoverFilters(
+      {
+        organization: "Org Existing"
+      },
+      "Org Historical",
+      "Org Authority",
+      "Org Continuity",
+      "Org Navigation",
+      "Org Clarification"
+    );
+
+    expect(filters).toEqual({
+      organization: "Org Existing"
+    });
+  });
 });