690329:2019 Fixing refactor Correspondence GPT-5.3-Codex #01

frontend/vitest.setup.ts

@@ -36,3 +36,25 @@ vi.mock('@/lib/api/client', () => ({
     delete: vi.fn(),
   },
 }));
+
+class ResizeObserverMock {
+  observe() {}
+
+  unobserve() {}
+
+  disconnect() {}
+}
+
+vi.stubGlobal('ResizeObserver', ResizeObserverMock);
+
+if (!Element.prototype.hasPointerCapture) {
+  Element.prototype.hasPointerCapture = () => false;
+}
+
+if (!Element.prototype.setPointerCapture) {
+  Element.prototype.setPointerCapture = () => {};
+}
+
+if (!Element.prototype.releasePointerCapture) {
+  Element.prototype.releasePointerCapture = () => {};
+}