refactor: 리펙토링

tests/unit/tanstack-cache-coordinator.test.ts

@@ -219,6 +219,41 @@ describe("TanStack cross-context cache coordinator", () => {
     expect(harness.publish).not.toHaveBeenCalled();
   });
 
+  it("rejects a mandatory local reset when query cancellation fails", async () => {
+    const client = createClient();
+    client.setQueryData(["resource-a", 1, "list"], ["private-old-scope"]);
+    vi.spyOn(client, "cancelQueries").mockRejectedValue(
+      new Error("cancellation failed"),
+    );
+    const clear = vi.spyOn(client, "clear");
+    const coordinator = createTanStackCacheCoordinator({
+      queryClient: client,
+      queryRegistry: queryRegistry(),
+    });
+
+    await expect(coordinator.resetLocal()).rejects.toThrow(
+      "mandatory query cancellation failed",
+    );
+    expect(clear).toHaveBeenCalledOnce();
+  });
+
+  it("composes with no installed query topics", () => {
+    // §24.12: removing the reference feature leaves the common runtime intact.
+    // A template with no installed feature has zero invalidation topics, which
+    // is a legitimate state, not a configuration defect.
+    const harness = crossContextHarness();
+    const coordinator = createTanStackCacheCoordinator({
+      queryClient: createClient(),
+      queryRegistry: Object.freeze({}),
+      crossContext: harness.transport,
+    });
+
+    // A remote hint for a topic this build does not install is ignored, not fatal.
+    harness.deliver("qinv.topic-a");
+    expect(() => coordinator.beginMutation([])).not.toThrow();
+    coordinator.dispose();
+  });
+
   it("rejects an unregistered topic before opening a mutation lease", () => {
     const coordinator = createTanStackCacheCoordinator({
       queryClient: createClient(),